Re: Base SYSPLEX setup
That's a bit above our $500 cost for Ficon cards. :) Brian On Fri, 5 Jun 2020 16:10:00 +, Jackson, Rob wrote: >Last list price I heard was $375K, but I did find this: > >Hardware IBM 3906 - 1934 Hdwr 2031 ICF Each $256,132.39 > >I won't say where that came from, but I believe that's a VAR's sale price. >So, that's an idea of price range, at least. > >First Horizon Bank >Mainframe Technical Support > >-Original Message- >From: IBM Mainframe Discussion List On Behalf Of >Ken Smith >Sent: Friday, June 5, 2020 11:47 AM >To: IBM-MAIN@LISTSERV.UA.EDU >Subject: Re: Base SYSPLEX setup > >[External Email. Exercise caution when clicking links or opening attachments.] > >What does a CF processor cost these days? > >On Fri, Jun 5, 2020 at 11:14 AM Joel C. Ewing wrote: > >> I interpreted Brian's requests as asking for typical cost range or >> some estimate of cost. "Peanuts" is always relative to the budget of >> the speaker -- may or may not be peanuts in your budget. >> >> If the switch will be essential for your operation, it also needs to >> have an acceptable time-to-repair/replace, which could be more of an >> unknown if your budget constraints influence you to look at >> discontinued or past-EOS devices. The effective price at least >> doubles if you have to buy additional units up front as insurance >> against possible future hardware failures. >> Joel C Ewing >> >> On 6/5/20 2:49 AM, Timothy Sipples wrote: >> > Brian Westerman wrote: >> >> SO just how much are the peanuts? >> > Radoslaw Skorupka wrote: >> >> Peanuts mean really cheap. >> > Even a new switch with warranty is only a few more peanuts. For >> > example, the Brocade 6510 and IBM SAN48B-5 (2498-F48) switches were >> > just recently discontinued (May, 2020), but there might be some new >> > stock available >> from >> > distributors. >> > >> > Looking at fully qualified (vendor blessed), reasonably physically >> small, >> > not latest model FICON switches, the discontinued Brocade 5300 and >> > IBM >> > SAN80B-4 (2498-B80) switches were also qualified for IBM z13s >> > machines >> (at >> > 4 and 8 Gb/s). The Cisco MDS 9250i (also available as IBM 9710-E01) >> > and discontinued Cisco MDS 9222i (IBM 2054-E01) also appear in IBM >> > z13s-related qualification letters. >> > >> > - - - - - - - - - - >> > Timothy Sipples >> > I.T. Architect Executive >> > Digital Asset & Other Industry Solutions IBM Z & LinuxONE >> > - - - - - - - - - - >> > E-Mail: sipp...@sg.ibm.com >> > ... >> >> >> -- >> Joel C. Ewing >> >> -- >> For IBM-MAIN subscribe / signoff / archive access instructions, send >> email to lists...@listserv.ua.edu with the message: INFO IBM-MAIN >> > >-- >For IBM-MAIN subscribe / signoff / archive access instructions, send email to >lists...@listserv.ua.edu with the message: INFO IBM-MAIN >Confidentiality notice: >This e-mail message, including any attachments, may contain legally privileged >and/or confidential information. If you are not the intended recipient(s), or >the employee or agent responsible for delivery of this message to the intended >recipient(s), you are hereby notified that any dissemination, distribution, or >copying of this e-mail message is strictly prohibited. If you have received >this message in error, please immediately notify the sender and delete this >e-mail message from your computer. > > >-- >For IBM-MAIN subscribe / signoff / archive access instructions, >send email to lists...@listserv.ua.edu with the message: INFO IBM-MAIN -- For IBM-MAIN subscribe / signoff / archive access instructions, send email to lists...@listserv.ua.edu with the message: INFO IBM-MAIN
Re: Base SYSPLEX setup
That's good to know. I'll see if the business partner can get us some prices. If cheap enough it would make things much easier to deal with. -- For IBM-MAIN subscribe / signoff / archive access instructions, send email to lists...@listserv.ua.edu with the message: INFO IBM-MAIN
Re: Base SYSPLEX setup
Last list price I heard was $375K, but I did find this: Hardware IBM 3906 - 1934 Hdwr 2031 ICF Each $256,132.39 I won't say where that came from, but I believe that's a VAR's sale price. So, that's an idea of price range, at least. First Horizon Bank Mainframe Technical Support -Original Message- From: IBM Mainframe Discussion List On Behalf Of Ken Smith Sent: Friday, June 5, 2020 11:47 AM To: IBM-MAIN@LISTSERV.UA.EDU Subject: Re: Base SYSPLEX setup [External Email. Exercise caution when clicking links or opening attachments.] What does a CF processor cost these days? On Fri, Jun 5, 2020 at 11:14 AM Joel C. Ewing wrote: > I interpreted Brian's requests as asking for typical cost range or > some estimate of cost. "Peanuts" is always relative to the budget of > the speaker -- may or may not be peanuts in your budget. > > If the switch will be essential for your operation, it also needs to > have an acceptable time-to-repair/replace, which could be more of an > unknown if your budget constraints influence you to look at > discontinued or past-EOS devices. The effective price at least > doubles if you have to buy additional units up front as insurance > against possible future hardware failures. > Joel C Ewing > > On 6/5/20 2:49 AM, Timothy Sipples wrote: > > Brian Westerman wrote: > >> SO just how much are the peanuts? > > Radoslaw Skorupka wrote: > >> Peanuts mean really cheap. > > Even a new switch with warranty is only a few more peanuts. For > > example, the Brocade 6510 and IBM SAN48B-5 (2498-F48) switches were > > just recently discontinued (May, 2020), but there might be some new > > stock available > from > > distributors. > > > > Looking at fully qualified (vendor blessed), reasonably physically > small, > > not latest model FICON switches, the discontinued Brocade 5300 and > > IBM > > SAN80B-4 (2498-B80) switches were also qualified for IBM z13s > > machines > (at > > 4 and 8 Gb/s). The Cisco MDS 9250i (also available as IBM 9710-E01) > > and discontinued Cisco MDS 9222i (IBM 2054-E01) also appear in IBM > > z13s-related qualification letters. > > > > - - - - - - - - - - > > Timothy Sipples > > I.T. Architect Executive > > Digital Asset & Other Industry Solutions IBM Z & LinuxONE > > - - - - - - - - - - > > E-Mail: sipp...@sg.ibm.com > > ... > > > -- > Joel C. Ewing > > -- > For IBM-MAIN subscribe / signoff / archive access instructions, send > email to lists...@listserv.ua.edu with the message: INFO IBM-MAIN > -- For IBM-MAIN subscribe / signoff / archive access instructions, send email to lists...@listserv.ua.edu with the message: INFO IBM-MAIN Confidentiality notice: This e-mail message, including any attachments, may contain legally privileged and/or confidential information. If you are not the intended recipient(s), or the employee or agent responsible for delivery of this message to the intended recipient(s), you are hereby notified that any dissemination, distribution, or copying of this e-mail message is strictly prohibited. If you have received this message in error, please immediately notify the sender and delete this e-mail message from your computer. -- For IBM-MAIN subscribe / signoff / archive access instructions, send email to lists...@listserv.ua.edu with the message: INFO IBM-MAIN
Re: Base SYSPLEX setup
What does a CF processor cost these days? On Fri, Jun 5, 2020 at 11:14 AM Joel C. Ewing wrote: > I interpreted Brian's requests as asking for typical cost range or some > estimate of cost. "Peanuts" is always relative to the budget of the > speaker -- may or may not be peanuts in your budget. > > If the switch will be essential for your operation, it also needs to > have an acceptable time-to-repair/replace, which could be more of an > unknown if your budget constraints influence you to look at discontinued > or past-EOS devices. The effective price at least doubles if you have > to buy additional units up front as insurance against possible future > hardware failures. > Joel C Ewing > > On 6/5/20 2:49 AM, Timothy Sipples wrote: > > Brian Westerman wrote: > >> SO just how much are the peanuts? > > Radoslaw Skorupka wrote: > >> Peanuts mean really cheap. > > Even a new switch with warranty is only a few more peanuts. For example, > > the Brocade 6510 and IBM SAN48B-5 (2498-F48) switches were just recently > > discontinued (May, 2020), but there might be some new stock available > from > > distributors. > > > > Looking at fully qualified (vendor blessed), reasonably physically > small, > > not latest model FICON switches, the discontinued Brocade 5300 and IBM > > SAN80B-4 (2498-B80) switches were also qualified for IBM z13s machines > (at > > 4 and 8 Gb/s). The Cisco MDS 9250i (also available as IBM 9710-E01) and > > discontinued Cisco MDS 9222i (IBM 2054-E01) also appear in IBM > > z13s-related qualification letters. > > > > - - - - - - - - - - > > Timothy Sipples > > I.T. Architect Executive > > Digital Asset & Other Industry Solutions > > IBM Z & LinuxONE > > - - - - - - - - - - > > E-Mail: sipp...@sg.ibm.com > > ... > > > -- > Joel C. Ewing > > -- > For IBM-MAIN subscribe / signoff / archive access instructions, > send email to lists...@listserv.ua.edu with the message: INFO IBM-MAIN > -- For IBM-MAIN subscribe / signoff / archive access instructions, send email to lists...@listserv.ua.edu with the message: INFO IBM-MAIN
Re: Base SYSPLEX setup
I interpreted Brian's request as asking for typical cost range or some estimate of cost. "Peanuts" is always relative to the budget of the speaker -- may or may not be peanuts in your budget. If the switch will be essential for your operation, it also needs to have an acceptable time-to-repair/replace, which could be more of an unknown if your budget constraints influence you to look at discontinued or past-EOS devices. The effective price at least doubles if you have to buy additional units up front as insurance against possible future hardware failures. Joel C Ewing On 6/5/20 2:49 AM, Timothy Sipples wrote: > Brian Westerman wrote: >> SO just how much are the peanuts? > Radoslaw Skorupka wrote: >> Peanuts mean really cheap. > Even a new switch with warranty is only a few more peanuts. For example, > the Brocade 6510 and IBM SAN48B-5 (2498-F48) switches were just recently > discontinued (May, 2020), but there might be some new stock available from > distributors. > > Looking at fully qualified (vendor blessed), reasonably physically small, > not latest model FICON switches, the discontinued Brocade 5300 and IBM > SAN80B-4 (2498-B80) switches were also qualified for IBM z13s machines (at > 4 and 8 Gb/s). The Cisco MDS 9250i (also available as IBM 9710-E01) and > discontinued Cisco MDS 9222i (IBM 2054-E01) also appear in IBM > z13s-related qualification letters. > > - - - - - - - - - - > Timothy Sipples > I.T. Architect Executive > Digital Asset & Other Industry Solutions > IBM Z & LinuxONE > - - - - - - - - - - > E-Mail: sipp...@sg.ibm.com > ... -- Joel C. Ewing -- For IBM-MAIN subscribe / signoff / archive access instructions, send email to lists...@listserv.ua.edu with the message: INFO IBM-MAIN
Re: Base SYSPLEX setup
Brian Westerman wrote: >SO just how much are the peanuts? Radoslaw Skorupka wrote: >Peanuts mean really cheap. Even a new switch with warranty is only a few more peanuts. For example, the Brocade 6510 and IBM SAN48B-5 (2498-F48) switches were just recently discontinued (May, 2020), but there might be some new stock available from distributors. Looking at fully qualified (vendor blessed), reasonably physically small, not latest model FICON switches, the discontinued Brocade 5300 and IBM SAN80B-4 (2498-B80) switches were also qualified for IBM z13s machines (at 4 and 8 Gb/s). The Cisco MDS 9250i (also available as IBM 9710-E01) and discontinued Cisco MDS 9222i (IBM 2054-E01) also appear in IBM z13s-related qualification letters. - - - - - - - - - - Timothy Sipples I.T. Architect Executive Digital Asset & Other Industry Solutions IBM Z & LinuxONE - - - - - - - - - - E-Mail: sipp...@sg.ibm.com -- For IBM-MAIN subscribe / signoff / archive access instructions, send email to lists...@listserv.ua.edu with the message: INFO IBM-MAIN
Re: Base SYSPLEX setup
No. FICON cascading is FICON over *two* switches. It was available on z/900 with proper microcode. And change from direct or single switch to multiple switches is somehow revolutionary under the cover. One can see it when adding some CU connected to second switch and the chpid was already in use. -- Radoslaw Skorupka Lodz, Poland W dniu 03.06.2020 o 17:35, Allan Staller pisze: Wasn't there a thing known as FICON cascading? To allow multiple CU's on the same CHP? -Original Message- From: IBM Mainframe Discussion List On Behalf Of Seymour J Metz Sent: Wednesday, June 3, 2020 10:04 AM To: IBM-MAIN@LISTSERV.UA.EDU Subject: Re: Base SYSPLEX setup [CAUTION: This Email is from outside the Organization. Unless you trust the sender, Don't click links or open attachments as it may be a Phishing email, which can steal your Information and compromise your Computer.] That's the right answer to the wrong question. Yes, you can share a chpid between LPARs without a switch, but you cannot share chpids between control units without a switch. -- Shmuel (Seymour J.) Metz https://apc01.safelinks.protection.outlook.com/?url=http:%2F%2Fmason.gmu.edu%2F~smetz3data=02%7C01%7Callan.staller%40HCL.COM%7Ca13bb93375994fb13ddd08d807cf5e79%7C189de737c93a4f5a8b686f4ca9941912%7C0%7C0%7C637267934525141512sdata=A0ZMSCQP891zEGNkIz%2F0ZCWtRoh8%2F%2Bji9XcsVgS75G4%3Dreserved=0 From: IBM Mainframe Discussion List [IBM-MAIN@LISTSERV.UA.EDU] on behalf of Allan Staller [allan.stal...@hcl.com] Sent: Wednesday, June 3, 2020 9:05 AM To: IBM-MAIN@LISTSERV.UA.EDU Subject: Re: Base SYSPLEX setup You cannot share chpid without the switch. It is point to point topology, not daisy chains like in Bus That is incorrect. I routine share channels across LPARs. The purpose of the switch is to connect multiple physical CECs to a single device. -Original Message- From: IBM Mainframe Discussion List On Behalf Of R.S. Sent: Wednesday, June 3, 2020 3:26 AM To: IBM-MAIN@LISTSERV.UA.EDU Subject: Re: Base SYSPLEX setup [CAUTION: This Email is from outside the Organization. Unless you trust the sender, Don't click links or open attachments as it may be a Phishing email, which can steal your Information and compromise your Computer.] W dniu 03.06.2020 o 06:09, Brian Westerman pisze: no switches exist at the site. I can't see how to share the CTC and NON CTC Control units on a Ficon card, it (HCD) keeps generating a message that you can't "share" CTC and NON CTC on the same CHPID, but maybe I'm doing something wrong. You cannot share chpid without the switch. It is point to point topology, not daisy chains like in Bus Note, second hand switch with 8Gbps speed can be purchased just for peanuts. Regarding CTC, I think it is well documented. It was documented when I read about it years ago when I moved from ESCON to FICON. -- Radoslaw Skorupka Lodz, Poland == Jeśli nie jesteś adresatem tej wiadomości: - powiadom nas o tym w mailu zwrotnym (dziękujemy!), - usuń trwale tę wiadomość (i wszystkie kopie, które wydrukowałeś lub zapisałeś na dysku). Wiadomość ta może zawierać chronione prawem informacje, które może wykorzystać tylko adresat.Przypominamy, że każdy, kto rozpowszechnia (kopiuje, rozprowadza) tę wiadomość lub podejmuje podobne działania, narusza prawo i może podlegać karze. mBank S.A. z siedzibą w Warszawie, ul. Senatorska 18, 00-950 Warszawa,https://apc01.safelinks.protection.outlook.com/?url=http%3A%2F%2Fwww.mbank.pl%2Fdata=02%7C01%7Callan.staller%40HCL.COM%7Ca13bb93375994fb13ddd08d807cf5e79%7C189de737c93a4f5a8b686f4ca9941912%7C0%7C0%7C637267934525141512sdata=JdhI8zjOJqUKTNuxFHOutQvxSHFxZXxGUTNV%2FE2gwhg%3Dreserved=0, e-mail: kont...@mbank.pl. Sąd Rejonowy dla m. st. Warszawy XII Wydział Gospodarczy Krajowego Rejestru Sądowego, KRS 025237, NIP: 526-021-50-88. Kapitał zakładowy (opłacony w całości) według stanu na 01.01.2020 r. wynosi 169.401.468 złotych. If you are not the addressee of this message: - let us know by replying to this e-mail (thank you!), - delete this message permanently (including all the copies which you have printed out or saved). This message may contain legally protected information, which may be used exclusively by the addressee.Please be reminded that anyone who disseminates (copies, distributes) this message or takes any similar action, violates the law and may be penalised. == Jeśli nie jesteś adresatem tej wiadomości: - powiadom nas o tym w mailu zwrotnym (dziękujemy!), - usuń trwale tę wiadomość (i wszystkie kopie, które wydrukowałeś lub zapisałeś na dysku). Wiadomość ta może zawierać chronione prawem informacje, które może wykorzystać tylko adresat.Przypominamy, że każdy, kto rozpowszechnia (kopiuje, rozprowadza) tę wiadomość lub podejmuje podobne
Re: Base SYSPLEX setup
Yes. Even 10 LPARs may share the chpids and proper CU definitions allow to create logical "any to any" connection between LPARs. I'm not sure about translation, we call it complete polygon. For 3 LPARs there are 3 paths For 4 LPARs there are 6 paths For 5 LPARs there are 10 paths For n LPARs there are n*(n-1)/2 paths -- Radoslaw Skorupka Lodz, Poland W dniu 04.06.2020 o 09:22, Brian Westerman pisze: So the 4 paths can be shared via the three LPARs? Brian On Wed, 3 Jun 2020 13:01:50 +, Allan Staller wrote: 4 ficon ports(CHPIDs) and 2 ficon cables are required. Each cable is shared in a bi-directional manner. e.g CTCchipd1 <> chpid2 CNC Signalling Path 1 CNCchpid3 <> chpid4 CTC Signalling Path 2 -Original Message- From: IBM Mainframe Discussion List On Behalf Of Brian Westerman Sent: Tuesday, June 2, 2020 11:10 PM To: IBM-MAIN@LISTSERV.UA.EDU Subject: Re: Base SYSPLEX setup [CAUTNON: This Email is from outside the Organization. Unless you trust the sender, Don’t click links or open attachments as it may be a Phishing email, which can steal your Information and compromise your Computer.] no switches exist at the site. I can't see how to share the CTC and NON CTC Control units on a Ficon card, it (HCD) keeps generating a message that you can't "share" CTC and NON CTC on the same CHPID, but maybe I'm doing something wrong. == Jeśli nie jesteś adresatem tej wiadomości: - powiadom nas o tym w mailu zwrotnym (dziękujemy!), - usuń trwale tę wiadomość (i wszystkie kopie, które wydrukowałeś lub zapisałeś na dysku). Wiadomość ta może zawierać chronione prawem informacje, które może wykorzystać tylko adresat.Przypominamy, że każdy, kto rozpowszechnia (kopiuje, rozprowadza) tę wiadomość lub podejmuje podobne działania, narusza prawo i może podlegać karze. mBank S.A. z siedzibą w Warszawie, ul. Senatorska 18, 00-950 Warszawa,www.mBank.pl, e-mail: kont...@mbank.pl. Sąd Rejonowy dla m. st. Warszawy XII Wydział Gospodarczy Krajowego Rejestru Sądowego, KRS 025237, NIP: 526-021-50-88. Kapitał zakładowy (opłacony w całości) według stanu na 01.01.2020 r. wynosi 169.401.468 złotych. If you are not the addressee of this message: - let us know by replying to this e-mail (thank you!), - delete this message permanently (including all the copies which you have printed out or saved). This message may contain legally protected information, which may be used exclusively by the addressee.Please be reminded that anyone who disseminates (copies, distributes) this message or takes any similar action, violates the law and may be penalised. mBank S.A. with its registered office in Warsaw, ul. Senatorska 18, 00-950 Warszawa,www.mBank.pl, e-mail: kont...@mbank.pl. District Court for the Capital City of Warsaw, 12th Commercial Division of the National Court Register, KRS 025237, NIP: 526-021-50-88. Fully paid-up share capital amounting to PLN 169.401.468 as at 1 January 2020. -- For IBM-MAIN subscribe / signoff / archive access instructions, send email to lists...@listserv.ua.edu with the message: INFO IBM-MAIN
Re: Base SYSPLEX setup
Yes. I have done this. The biggest obstacle I found was the naming conventions and HCD definition. BTW. The 4 chpids are shared across all LPARs at the IODF level Only 2 physical paths are needed. Each physical path is bi-directional. i.e. the input from LPARB to LPARA is the output from LPARA to LPARB. This is handled by using different device addresses in the PATHIN/PATHOUT statements in SYS1.PARMLIB(COUPLExx) I last did this circa 2009, so the details are fuzzy, but it can be done. -Original Message- From: IBM Mainframe Discussion List On Behalf Of Brian Westerman Sent: Thursday, June 4, 2020 2:22 AM To: IBM-MAIN@LISTSERV.UA.EDU Subject: Re: Base SYSPLEX setup [CAUTION: This Email is from outside the Organization. Unless you trust the sender, Don’t click links or open attachments as it may be a Phishing email, which can steal your Information and compromise your Computer.] So the 4 paths can be shared via the three LPARs? Brian On Wed, 3 Jun 2020 13:01:50 +, Allan Staller wrote: >4 ficon ports(CHPIDs) and 2 ficon cables are required. Each cable is shared >in a bi-directional manner. > >e.g CTCchipd1 <> chpid2 CNC Signalling Path 1 > CNCchpid3 <> chpid4 CTC Signalling Path 2 > >-Original Message- >From: IBM Mainframe Discussion List On >Behalf Of Brian Westerman >Sent: Tuesday, June 2, 2020 11:10 PM >To: IBM-MAIN@LISTSERV.UA.EDU >Subject: Re: Base SYSPLEX setup > >[CAUTNON: This Email is from outside the Organization. Unless you trust >the sender, Don’t click links or open attachments as it may be a >Phishing email, which can steal your Information and compromise your >Computer.] > >no switches exist at the site. > >I can't see how to share the CTC and NON CTC Control units on a Ficon card, it >(HCD) keeps generating a message that you can't "share" CTC and NON CTC on >the same CHPID, but maybe I'm doing something wrong. > >-- >For IBM-MAIN subscribe / signoff / archive access instructions, send >email to lists...@listserv.ua.edu with the message: INFO IBM-MAIN >::DISCLAIMER:: > >The contents of this e-mail and any attachment(s) are confidential and >intended for the named recipient(s) only. E-mail transmission is not >guaranteed to be secure or error-free as information could be intercepted, >corrupted, lost, destroyed, arrive late or incomplete, or may contain viruses >in transmission. The e mail and its contents (with or without referred errors) >shall therefore not attach any liability on the originator or HCL or its >affiliates. Views or opinions, if any, presented in this email are solely >those of the author and may not necessarily reflect the views or opinions of >HCL or its affiliates. Any form of reproduction, dissemination, copying, >disclosure, modification, distribution and / or publication of this message >without the prior written consent of authorized representative of HCL is >strictly prohibited. If you have received this email in error please delete it >and notify the sender immediately. Before opening any email and/or >attachments, please check them for viruses and other defects. > > >-- >For IBM-MAIN subscribe / signoff / archive access instructions, send >email to lists...@listserv.ua.edu with the message: INFO IBM-MAIN -- For IBM-MAIN subscribe / signoff / archive access instructions, send email to lists...@listserv.ua.edu with the message: INFO IBM-MAIN -- For IBM-MAIN subscribe / signoff / archive access instructions, send email to lists...@listserv.ua.edu with the message: INFO IBM-MAIN
Re: Base SYSPLEX setup
Peanuts mean really cheap. I know companies which disposed (dropped to the trash) old Brocade 5100 switches. They even paid for disposal. Such switch is sufficient for that purpose. Of course it is second hand equipment, no service contract or some "poor" contract with second hand provicer or just spare device in server room. -- Radoslaw Skorupka Lodz, Poland W dniu 04.06.2020 o 09:21, Brian Westerman pisze: SO just how much are the peanuts? What exactly am I looking for and do you have any vendors that you can suggest? Brian On Wed, 3 Jun 2020 10:26:16 +0200, R.S. wrote: W dniu 03.06.2020 o 06:09, Brian Westerman pisze: no switches exist at the site. I can't see how to share the CTC and NON CTC Control units on a Ficon card, it (HCD) keeps generating a message that you can't "share" CTC and NON CTC on the same CHPID, but maybe I'm doing something wrong. You cannot share chpid without the switch. It is point to point topology, not daisy chains like in Bus Note, second hand switch with 8Gbps speed can be purchased just for peanuts. Regarding CTC, I think it is well documented. It was documented when I read about it years ago when I moved from ESCON to FICON. -- Radoslaw Skorupka Lodz, Poland == Jeśli nie jesteś adresatem tej wiadomości: - powiadom nas o tym w mailu zwrotnym (dziękujemy!), - usuń trwale tę wiadomość (i wszystkie kopie, które wydrukowałeś lub zapisałeś na dysku). Wiadomość ta może zawierać chronione prawem informacje, które może wykorzystać tylko adresat.Przypominamy, że każdy, kto rozpowszechnia (kopiuje, rozprowadza) tę wiadomość lub podejmuje podobne działania, narusza prawo i może podlegać karze. mBank S.A. z siedzibą w Warszawie, ul. Senatorska 18, 00-950 Warszawa,www.mBank.pl, e-mail: kont...@mbank.pl. Sąd Rejonowy dla m. st. Warszawy XII Wydział Gospodarczy Krajowego Rejestru Sądowego, KRS 025237, NIP: 526-021-50-88. Kapitał zakładowy (opłacony w całości) według stanu na 01.01.2020 r. wynosi 169.401.468 złotych. If you are not the addressee of this message: - let us know by replying to this e-mail (thank you!), - delete this message permanently (including all the copies which you have printed out or saved). This message may contain legally protected information, which may be used exclusively by the addressee.Please be reminded that anyone who disseminates (copies, distributes) this message or takes any similar action, violates the law and may be penalised. mBank S.A. with its registered office in Warsaw, ul. Senatorska 18, 00-950 Warszawa,www.mBank.pl, e-mail: kont...@mbank.pl. District Court for the Capital City of Warsaw, 12th Commercial Division of the National Court Register, KRS 025237, NIP: 526-021-50-88. Fully paid-up share capital amounting to PLN 169.401.468 as at 1 January 2020. -- For IBM-MAIN subscribe / signoff / archive access instructions, send email to lists...@listserv.ua.edu with the message: INFO IBM-MAIN
Re: Base SYSPLEX setup
It's tricky. Dana said about LOGICAL CUs, that means single physical box with multiple CUADDs. Usually DASD array or virtual tape (also disk array in fact). However in Dana case we have single physical connection CPC to CU-box. CUADD or logical CU is like LPAR on CPC. However in order to connect multiple physical CUs/boxes using FICON, the switch is necessary. The only channel with supported daisy chain was Bus & Tag. -- Radoslaw Skorupka Lodz, Poland W dniu 03.06.2020 o 16:53, Seymour J Metz pisze: We have lots of multiple CU's on a channel, Without a switch? -- Shmuel (Seymour J.) Metz http://mason.gmu.edu/~smetz3 From: IBM Mainframe Discussion List [IBM-MAIN@LISTSERV.UA.EDU] on behalf of Dana Mitchell [mitchd...@gmail.com] Sent: Wednesday, June 3, 2020 9:53 AM To: IBM-MAIN@LISTSERV.UA.EDU Subject: Re: Base SYSPLEX setup On Wed, 3 Jun 2020 13:05:11 +, Allan Staller wrote: You cannot share chpid without the switch. It is point to point topology, not daisy chains like in Bus That is incorrect. I routine share ahannels across LPARs. The purpose of the switch is to concect multiple physical CECs to a single device. We have lots of multiple CU's on a channel, thats what CUADD is for. When I try what Brian is doing, I receive msgCBDG198 (which there is no help panel, have to find it in the KC): CBDG198I There is a mix of FCTC and non-FCTC control units on channel path proc_id.chpid. Control units: cu_number1, cu_number2 Explanation All control units on the same channel path without dynamic switch must be either all FCTC control units, or none of the control units must be an FCTC control unit. == Jeśli nie jesteś adresatem tej wiadomości: - powiadom nas o tym w mailu zwrotnym (dziękujemy!), - usuń trwale tę wiadomość (i wszystkie kopie, które wydrukowałeś lub zapisałeś na dysku). Wiadomość ta może zawierać chronione prawem informacje, które może wykorzystać tylko adresat.Przypominamy, że każdy, kto rozpowszechnia (kopiuje, rozprowadza) tę wiadomość lub podejmuje podobne działania, narusza prawo i może podlegać karze. mBank S.A. z siedzibą w Warszawie, ul. Senatorska 18, 00-950 Warszawa,www.mBank.pl, e-mail: kont...@mbank.pl. Sąd Rejonowy dla m. st. Warszawy XII Wydział Gospodarczy Krajowego Rejestru Sądowego, KRS 025237, NIP: 526-021-50-88. Kapitał zakładowy (opłacony w całości) według stanu na 01.01.2020 r. wynosi 169.401.468 złotych. If you are not the addressee of this message: - let us know by replying to this e-mail (thank you!), - delete this message permanently (including all the copies which you have printed out or saved). This message may contain legally protected information, which may be used exclusively by the addressee.Please be reminded that anyone who disseminates (copies, distributes) this message or takes any similar action, violates the law and may be penalised. mBank S.A. with its registered office in Warsaw, ul. Senatorska 18, 00-950 Warszawa,www.mBank.pl, e-mail: kont...@mbank.pl. District Court for the Capital City of Warsaw, 12th Commercial Division of the National Court Register, KRS 025237, NIP: 526-021-50-88. Fully paid-up share capital amounting to PLN 169.401.468 as at 1 January 2020. -- For IBM-MAIN subscribe / signoff / archive access instructions, send email to lists...@listserv.ua.edu with the message: INFO IBM-MAIN
Re: Base SYSPLEX setup
So the 4 paths can be shared via the three LPARs? Brian On Wed, 3 Jun 2020 13:01:50 +, Allan Staller wrote: >4 ficon ports(CHPIDs) and 2 ficon cables are required. Each cable is shared >in a bi-directional manner. > >e.g CTCchipd1 <> chpid2 CNC Signalling Path 1 > CNCchpid3 <> chpid4 CTC Signalling Path 2 > >-Original Message- >From: IBM Mainframe Discussion List On Behalf Of >Brian Westerman >Sent: Tuesday, June 2, 2020 11:10 PM >To: IBM-MAIN@LISTSERV.UA.EDU >Subject: Re: Base SYSPLEX setup > >[CAUTNON: This Email is from outside the Organization. Unless you trust the >sender, Don’t click links or open attachments as it may be a Phishing email, >which can steal your Information and compromise your Computer.] > >no switches exist at the site. > >I can't see how to share the CTC and NON CTC Control units on a Ficon card, it >(HCD) keeps generating a message that you can't "share" CTC and NON CTC on >the same CHPID, but maybe I'm doing something wrong. > >-- >For IBM-MAIN subscribe / signoff / archive access instructions, send email to >lists...@listserv.ua.edu with the message: INFO IBM-MAIN >::DISCLAIMER:: > >The contents of this e-mail and any attachment(s) are confidential and >intended for the named recipient(s) only. E-mail transmission is not >guaranteed to be secure or error-free as information could be intercepted, >corrupted, lost, destroyed, arrive late or incomplete, or may contain viruses >in transmission. The e mail and its contents (with or without referred errors) >shall therefore not attach any liability on the originator or HCL or its >affiliates. Views or opinions, if any, presented in this email are solely >those of the author and may not necessarily reflect the views or opinions of >HCL or its affiliates. Any form of reproduction, dissemination, copying, >disclosure, modification, distribution and / or publication of this message >without the prior written consent of authorized representative of HCL is >strictly prohibited. If you have received this email in error please delete it >and notify the sender immediately. Before opening any email and/or >attachments, please check them for viruses and other defects. > > >-- >For IBM-MAIN subscribe / signoff / archive access instructions, >send email to lists...@listserv.ua.edu with the message: INFO IBM-MAIN -- For IBM-MAIN subscribe / signoff / archive access instructions, send email to lists...@listserv.ua.edu with the message: INFO IBM-MAIN
Re: Base SYSPLEX setup
SO just how much are the peanuts? What exactly am I looking for and do you have any vendors that you can suggest? Brian On Wed, 3 Jun 2020 10:26:16 +0200, R.S. wrote: >W dniu 03.06.2020 o 06:09, Brian Westerman pisze: >> no switches exist at the site. >> >> I can't see how to share the CTC and NON CTC Control units on a Ficon card, >> it (HCD) keeps generating a message that you can't "share" CTC and NON CTC >> on the same CHPID, but maybe I'm doing something wrong. > >You cannot share chpid without the switch. It is point to point >topology, not daisy chains like in Bus >Note, second hand switch with 8Gbps speed can be purchased just for peanuts. >Regarding CTC, I think it is well documented. It was documented when I >read about it years ago when I moved from ESCON to FICON. > >-- >Radoslaw Skorupka >Lodz, Poland > > > > > >== > >Jeśli nie jesteś adresatem tej wiadomości: > >- powiadom nas o tym w mailu zwrotnym (dziękujemy!), >- usuń trwale tę wiadomość (i wszystkie kopie, które wydrukowałeś lub >zapisałeś na dysku). >Wiadomość ta może zawierać chronione prawem informacje, które może wykorzystać >tylko adresat.Przypominamy, że każdy, kto rozpowszechnia (kopiuje, >rozprowadza) tę wiadomość lub podejmuje podobne działania, narusza prawo i >może podlegać karze. > >mBank S.A. z siedzibą w Warszawie, ul. Senatorska 18, 00-950 >Warszawa,www.mBank.pl, e-mail: kont...@mbank.pl. Sąd Rejonowy dla m. st. >Warszawy XII Wydział Gospodarczy Krajowego Rejestru Sądowego, KRS 025237, >NIP: 526-021-50-88. Kapitał zakładowy (opłacony w całości) według stanu na >01.01.2020 r. wynosi 169.401.468 złotych. > >If you are not the addressee of this message: > >- let us know by replying to this e-mail (thank you!), >- delete this message permanently (including all the copies which you have >printed out or saved). >This message may contain legally protected information, which may be used >exclusively by the addressee.Please be reminded that anyone who disseminates >(copies, distributes) this message or takes any similar action, violates the >law and may be penalised. > >mBank S.A. with its registered office in Warsaw, ul. Senatorska 18, 00-950 >Warszawa,www.mBank.pl, e-mail: kont...@mbank.pl. District Court for the >Capital City of Warsaw, 12th Commercial Division of the National Court >Register, KRS 025237, NIP: 526-021-50-88. Fully paid-up share capital >amounting to PLN 169.401.468 as at 1 January 2020. > >-- >For IBM-MAIN subscribe / signoff / archive access instructions, >send email to lists...@listserv.ua.edu with the message: INFO IBM-MAIN -- For IBM-MAIN subscribe / signoff / archive access instructions, send email to lists...@listserv.ua.edu with the message: INFO IBM-MAIN
Re: Base SYSPLEX setup
AFAIK the only FICON cascading is FICON switch cascading. -- Shmuel (Seymour J.) Metz http://mason.gmu.edu/~smetz3 From: IBM Mainframe Discussion List [IBM-MAIN@LISTSERV.UA.EDU] on behalf of Allan Staller [allan.stal...@hcl.com] Sent: Wednesday, June 3, 2020 11:35 AM To: IBM-MAIN@LISTSERV.UA.EDU Subject: Re: Base SYSPLEX setup Wasn't there a thing known as FICON cascading? To allow multiple CU's on the same CHP? -Original Message- From: IBM Mainframe Discussion List On Behalf Of Seymour J Metz Sent: Wednesday, June 3, 2020 10:04 AM To: IBM-MAIN@LISTSERV.UA.EDU Subject: Re: Base SYSPLEX setup [CAUTION: This Email is from outside the Organization. Unless you trust the sender, Don't click links or open attachments as it may be a Phishing email, which can steal your Information and compromise your Computer.] That's the right answer to the wrong question. Yes, you can share a chpid between LPARs without a switch, but you cannot share chpids between control units without a switch. -- Shmuel (Seymour J.) Metz https://apc01.safelinks.protection.outlook.com/?url=http:%2F%2Fmason.gmu.edu%2F~smetz3data=02%7C01%7Callan.staller%40HCL.COM%7Ca13bb93375994fb13ddd08d807cf5e79%7C189de737c93a4f5a8b686f4ca9941912%7C0%7C0%7C637267934525141512sdata=A0ZMSCQP891zEGNkIz%2F0ZCWtRoh8%2F%2Bji9XcsVgS75G4%3Dreserved=0 From: IBM Mainframe Discussion List [IBM-MAIN@LISTSERV.UA.EDU] on behalf of Allan Staller [allan.stal...@hcl.com] Sent: Wednesday, June 3, 2020 9:05 AM To: IBM-MAIN@LISTSERV.UA.EDU Subject: Re: Base SYSPLEX setup You cannot share chpid without the switch. It is point to point topology, not daisy chains like in Bus That is incorrect. I routine share channels across LPARs. The purpose of the switch is to connect multiple physical CECs to a single device. -Original Message- From: IBM Mainframe Discussion List On Behalf Of R.S. Sent: Wednesday, June 3, 2020 3:26 AM To: IBM-MAIN@LISTSERV.UA.EDU Subject: Re: Base SYSPLEX setup [CAUTION: This Email is from outside the Organization. Unless you trust the sender, Don't click links or open attachments as it may be a Phishing email, which can steal your Information and compromise your Computer.] W dniu 03.06.2020 o 06:09, Brian Westerman pisze: > no switches exist at the site. > > I can't see how to share the CTC and NON CTC Control units on a Ficon card, > it (HCD) keeps generating a message that you can't "share" CTC and NON CTC on > the same CHPID, but maybe I'm doing something wrong. You cannot share chpid without the switch. It is point to point topology, not daisy chains like in Bus Note, second hand switch with 8Gbps speed can be purchased just for peanuts. Regarding CTC, I think it is well documented. It was documented when I read about it years ago when I moved from ESCON to FICON. -- Radoslaw Skorupka Lodz, Poland == Jeśli nie jesteś adresatem tej wiadomości: - powiadom nas o tym w mailu zwrotnym (dziękujemy!), - usuń trwale tę wiadomość (i wszystkie kopie, które wydrukowałeś lub zapisałeś na dysku). Wiadomość ta może zawierać chronione prawem informacje, które może wykorzystać tylko adresat.Przypominamy, że każdy, kto rozpowszechnia (kopiuje, rozprowadza) tę wiadomość lub podejmuje podobne działania, narusza prawo i może podlegać karze. mBank S.A. z siedzibą w Warszawie, ul. Senatorska 18, 00-950 Warszawa,https://apc01.safelinks.protection.outlook.com/?url=http%3A%2F%2Fwww.mbank.pl%2Fdata=02%7C01%7Callan.staller%40HCL.COM%7Ca13bb93375994fb13ddd08d807cf5e79%7C189de737c93a4f5a8b686f4ca9941912%7C0%7C0%7C637267934525141512sdata=JdhI8zjOJqUKTNuxFHOutQvxSHFxZXxGUTNV%2FE2gwhg%3Dreserved=0, e-mail: kont...@mbank.pl. Sąd Rejonowy dla m. st. Warszawy XII Wydział Gospodarczy Krajowego Rejestru Sądowego, KRS 025237, NIP: 526-021-50-88. Kapitał zakładowy (opłacony w całości) według stanu na 01.01.2020 r. wynosi 169.401.468 złotych. If you are not the addressee of this message: - let us know by replying to this e-mail (thank you!), - delete this message permanently (including all the copies which you have printed out or saved). This message may contain legally protected information, which may be used exclusively by the addressee.Please be reminded that anyone who disseminates (copies, distributes) this message or takes any similar action, violates the law and may be penalised. mBank S.A. with its registered office in Warsaw, ul. Senatorska 18, 00-950 Warszawa,https://apc01.safelinks.protection.outlook.com/?url=http%3A%2F%2Fwww.mbank.pl%2Fdata=02%7C01%7Callan.staller%40HCL.COM%7Ca13bb93375994fb13ddd08d807cf5e79%7C189de737c93a4f5a8b686f4ca9941912%7C0%7C0%7C637267934525151504sdata=xpSOBP2vYa0o5lRl0okt6R%2BPxqR1wjL5kGX0HyF03iA%3Dreserved=0, e-mail: kont...@mbank.pl. District Court for the Capital City of Warsaw, 12th Commercial
Re: Base SYSPLEX setup
Wasn't there a thing known as FICON cascading? To allow multiple CU's on the same CHP? -Original Message- From: IBM Mainframe Discussion List On Behalf Of Seymour J Metz Sent: Wednesday, June 3, 2020 10:04 AM To: IBM-MAIN@LISTSERV.UA.EDU Subject: Re: Base SYSPLEX setup [CAUTION: This Email is from outside the Organization. Unless you trust the sender, Don't click links or open attachments as it may be a Phishing email, which can steal your Information and compromise your Computer.] That's the right answer to the wrong question. Yes, you can share a chpid between LPARs without a switch, but you cannot share chpids between control units without a switch. -- Shmuel (Seymour J.) Metz https://apc01.safelinks.protection.outlook.com/?url=http:%2F%2Fmason.gmu.edu%2F~smetz3data=02%7C01%7Callan.staller%40HCL.COM%7Ca13bb93375994fb13ddd08d807cf5e79%7C189de737c93a4f5a8b686f4ca9941912%7C0%7C0%7C637267934525141512sdata=A0ZMSCQP891zEGNkIz%2F0ZCWtRoh8%2F%2Bji9XcsVgS75G4%3Dreserved=0 From: IBM Mainframe Discussion List [IBM-MAIN@LISTSERV.UA.EDU] on behalf of Allan Staller [allan.stal...@hcl.com] Sent: Wednesday, June 3, 2020 9:05 AM To: IBM-MAIN@LISTSERV.UA.EDU Subject: Re: Base SYSPLEX setup You cannot share chpid without the switch. It is point to point topology, not daisy chains like in Bus That is incorrect. I routine share channels across LPARs. The purpose of the switch is to connect multiple physical CECs to a single device. -Original Message- From: IBM Mainframe Discussion List On Behalf Of R.S. Sent: Wednesday, June 3, 2020 3:26 AM To: IBM-MAIN@LISTSERV.UA.EDU Subject: Re: Base SYSPLEX setup [CAUTION: This Email is from outside the Organization. Unless you trust the sender, Don't click links or open attachments as it may be a Phishing email, which can steal your Information and compromise your Computer.] W dniu 03.06.2020 o 06:09, Brian Westerman pisze: > no switches exist at the site. > > I can't see how to share the CTC and NON CTC Control units on a Ficon card, > it (HCD) keeps generating a message that you can't "share" CTC and NON CTC on > the same CHPID, but maybe I'm doing something wrong. You cannot share chpid without the switch. It is point to point topology, not daisy chains like in Bus Note, second hand switch with 8Gbps speed can be purchased just for peanuts. Regarding CTC, I think it is well documented. It was documented when I read about it years ago when I moved from ESCON to FICON. -- Radoslaw Skorupka Lodz, Poland == Jeśli nie jesteś adresatem tej wiadomości: - powiadom nas o tym w mailu zwrotnym (dziękujemy!), - usuń trwale tę wiadomość (i wszystkie kopie, które wydrukowałeś lub zapisałeś na dysku). Wiadomość ta może zawierać chronione prawem informacje, które może wykorzystać tylko adresat.Przypominamy, że każdy, kto rozpowszechnia (kopiuje, rozprowadza) tę wiadomość lub podejmuje podobne działania, narusza prawo i może podlegać karze. mBank S.A. z siedzibą w Warszawie, ul. Senatorska 18, 00-950 Warszawa,https://apc01.safelinks.protection.outlook.com/?url=http%3A%2F%2Fwww.mbank.pl%2Fdata=02%7C01%7Callan.staller%40HCL.COM%7Ca13bb93375994fb13ddd08d807cf5e79%7C189de737c93a4f5a8b686f4ca9941912%7C0%7C0%7C637267934525141512sdata=JdhI8zjOJqUKTNuxFHOutQvxSHFxZXxGUTNV%2FE2gwhg%3Dreserved=0, e-mail: kont...@mbank.pl. Sąd Rejonowy dla m. st. Warszawy XII Wydział Gospodarczy Krajowego Rejestru Sądowego, KRS 025237, NIP: 526-021-50-88. Kapitał zakładowy (opłacony w całości) według stanu na 01.01.2020 r. wynosi 169.401.468 złotych. If you are not the addressee of this message: - let us know by replying to this e-mail (thank you!), - delete this message permanently (including all the copies which you have printed out or saved). This message may contain legally protected information, which may be used exclusively by the addressee.Please be reminded that anyone who disseminates (copies, distributes) this message or takes any similar action, violates the law and may be penalised. mBank S.A. with its registered office in Warsaw, ul. Senatorska 18, 00-950 Warszawa,https://apc01.safelinks.protection.outlook.com/?url=http%3A%2F%2Fwww.mbank.pl%2Fdata=02%7C01%7Callan.staller%40HCL.COM%7Ca13bb93375994fb13ddd08d807cf5e79%7C189de737c93a4f5a8b686f4ca9941912%7C0%7C0%7C637267934525151504sdata=xpSOBP2vYa0o5lRl0okt6R%2BPxqR1wjL5kGX0HyF03iA%3Dreserved=0, e-mail: kont...@mbank.pl. District Court for the Capital City of Warsaw, 12th Commercial Division of the National Court Register, KRS 025237, NIP: 526-021-50-88. Fully paid-up share capital amounting to PLN 169.401.468 as at 1 January 2020. -- For IBM-MAIN subscribe / signoff / archive access instructions, send email to lists...@listserv.ua.edu with the message: I
Re: Base SYSPLEX setup
That's the right answer to the wrong question. Yes, you can share a chpid between LPARs without a switch, but you cannot share chpids between control units without a switch. -- Shmuel (Seymour J.) Metz http://mason.gmu.edu/~smetz3 From: IBM Mainframe Discussion List [IBM-MAIN@LISTSERV.UA.EDU] on behalf of Allan Staller [allan.stal...@hcl.com] Sent: Wednesday, June 3, 2020 9:05 AM To: IBM-MAIN@LISTSERV.UA.EDU Subject: Re: Base SYSPLEX setup You cannot share chpid without the switch. It is point to point topology, not daisy chains like in Bus That is incorrect. I routine share channels across LPARs. The purpose of the switch is to connect multiple physical CECs to a single device. -Original Message- From: IBM Mainframe Discussion List On Behalf Of R.S. Sent: Wednesday, June 3, 2020 3:26 AM To: IBM-MAIN@LISTSERV.UA.EDU Subject: Re: Base SYSPLEX setup [CAUTION: This Email is from outside the Organization. Unless you trust the sender, Don’t click links or open attachments as it may be a Phishing email, which can steal your Information and compromise your Computer.] W dniu 03.06.2020 o 06:09, Brian Westerman pisze: > no switches exist at the site. > > I can't see how to share the CTC and NON CTC Control units on a Ficon card, > it (HCD) keeps generating a message that you can't "share" CTC and NON CTC on > the same CHPID, but maybe I'm doing something wrong. You cannot share chpid without the switch. It is point to point topology, not daisy chains like in Bus Note, second hand switch with 8Gbps speed can be purchased just for peanuts. Regarding CTC, I think it is well documented. It was documented when I read about it years ago when I moved from ESCON to FICON. -- Radoslaw Skorupka Lodz, Poland == Jeśli nie jesteś adresatem tej wiadomości: - powiadom nas o tym w mailu zwrotnym (dziękujemy!), - usuń trwale tę wiadomość (i wszystkie kopie, które wydrukowałeś lub zapisałeś na dysku). Wiadomość ta może zawierać chronione prawem informacje, które może wykorzystać tylko adresat.Przypominamy, że każdy, kto rozpowszechnia (kopiuje, rozprowadza) tę wiadomość lub podejmuje podobne działania, narusza prawo i może podlegać karze. mBank S.A. z siedzibą w Warszawie, ul. Senatorska 18, 00-950 Warszawa,https://apc01.safelinks.protection.outlook.com/?url=http%3A%2F%2Fwww.mbank.pl%2Fdata=02%7C01%7Callan.staller%40HCL.COM%7C7ff3567deee34f0190ad08d80797d691%7C189de737c93a4f5a8b686f4ca9941912%7C0%7C0%7C637267696027597842sdata=NpN4os%2F8Kc00XIN96B6aWlSlhcVx7rQeUhKFPLOotqU%3Dreserved=0, e-mail: kont...@mbank.pl. Sąd Rejonowy dla m. st. Warszawy XII Wydział Gospodarczy Krajowego Rejestru Sądowego, KRS 025237, NIP: 526-021-50-88. Kapitał zakładowy (opłacony w całości) według stanu na 01.01.2020 r. wynosi 169.401.468 złotych. If you are not the addressee of this message: - let us know by replying to this e-mail (thank you!), - delete this message permanently (including all the copies which you have printed out or saved). This message may contain legally protected information, which may be used exclusively by the addressee.Please be reminded that anyone who disseminates (copies, distributes) this message or takes any similar action, violates the law and may be penalised. mBank S.A. with its registered office in Warsaw, ul. Senatorska 18, 00-950 Warszawa,https://apc01.safelinks.protection.outlook.com/?url=http%3A%2F%2Fwww.mbank.pl%2Fdata=02%7C01%7Callan.staller%40HCL.COM%7C7ff3567deee34f0190ad08d80797d691%7C189de737c93a4f5a8b686f4ca9941912%7C0%7C0%7C637267696027607844sdata=ce805mVHVZi95MYjm65SwTJhh0ho%2Bn%2BdDcN1MVD4x%2FM%3Dreserved=0, e-mail: kont...@mbank.pl. District Court for the Capital City of Warsaw, 12th Commercial Division of the National Court Register, KRS 025237, NIP: 526-021-50-88. Fully paid-up share capital amounting to PLN 169.401.468 as at 1 January 2020. -- For IBM-MAIN subscribe / signoff / archive access instructions, send email to lists...@listserv.ua.edu with the message: INFO IBM-MAIN ::DISCLAIMER:: The contents of this e-mail and any attachment(s) are confidential and intended for the named recipient(s) only. E-mail transmission is not guaranteed to be secure or error-free as information could be intercepted, corrupted, lost, destroyed, arrive late or incomplete, or may contain viruses in transmission. The e mail and its contents (with or without referred errors) shall therefore not attach any liability on the originator or HCL or its affiliates. Views or opinions, if any, presented in this email are solely those of the author and may not necessarily reflect the views or opinions of HCL or its affiliates. Any form of reproduction, dissemination, copying, disclosure, modification, distribu
Re: Base SYSPLEX setup
> We have lots of multiple CU's on a channel, Without a switch? -- Shmuel (Seymour J.) Metz http://mason.gmu.edu/~smetz3 From: IBM Mainframe Discussion List [IBM-MAIN@LISTSERV.UA.EDU] on behalf of Dana Mitchell [mitchd...@gmail.com] Sent: Wednesday, June 3, 2020 9:53 AM To: IBM-MAIN@LISTSERV.UA.EDU Subject: Re: Base SYSPLEX setup On Wed, 3 Jun 2020 13:05:11 +, Allan Staller wrote: > You cannot share chpid without the switch. It is point to point >topology, not daisy chains like in Bus > >That is incorrect. I routine share ahannels across LPARs. > >The purpose of the switch is to concect multiple physical CECs to a single >device. > We have lots of multiple CU's on a channel, thats what CUADD is for. When I try what Brian is doing, I receive msgCBDG198 (which there is no help panel, have to find it in the KC): CBDG198I There is a mix of FCTC and non-FCTC control units on channel path proc_id.chpid. Control units: cu_number1, cu_number2 Explanation All control units on the same channel path without dynamic switch must be either all FCTC control units, or none of the control units must be an FCTC control unit. Dana -- For IBM-MAIN subscribe / signoff / archive access instructions, send email to lists...@listserv.ua.edu with the message: INFO IBM-MAIN -- For IBM-MAIN subscribe / signoff / archive access instructions, send email to lists...@listserv.ua.edu with the message: INFO IBM-MAIN
Re: Base SYSPLEX setup
On Wed, 3 Jun 2020 13:01:50 +, Allan Staller wrote: >4 ficon ports(CHPIDs) and 2 ficon cables are required. Each cable is shared >in a bi-directional manner. > >e.g CTCchipd1 <> chpid2 CNC Signalling Path 1 > CNCchpid3 <> chpid4 CTC Signalling Path 2 > With FICON channels its a little simpler than that, both sides are channel type FC, and cu type FCTC, No need to distinguish CTC/CNC anymore, yay! Dana -- For IBM-MAIN subscribe / signoff / archive access instructions, send email to lists...@listserv.ua.edu with the message: INFO IBM-MAIN
Re: Base SYSPLEX setup
Note: CTC and CNC are from ESCON world. Ideed, that required different CHP definition on each end. Nowadays we have FICON and FC chpid definition on each end. The topology may be FC CHP 1A FC CHP 1B or FC CHP 1A switch. 1A and 1B ard example values of th CHPID. Of course for redundancy any of examples above can be doubled, tripled, quadrupled... -- Radoslaw Skorupka Lodz, Poland W dniu 03.06.2020 o 15:01, Allan Staller pisze: 4 ficon ports(CHPIDs) and 2 ficon cables are required. Each cable is shared in a bi-directional manner. e.g CTCchipd1 <> chpid2 CNC Signalling Path 1 CNCchpid3 <> chpid4 CTC Signalling Path 2 -Original Message- From: IBM Mainframe Discussion List On Behalf Of Brian Westerman Sent: Tuesday, June 2, 2020 11:10 PM To: IBM-MAIN@LISTSERV.UA.EDU Subject: Re: Base SYSPLEX setup [CAUTION: This Email is from outside the Organization. Unless you trust the sender, Don’t click links or open attachments as it may be a Phishing email, which can steal your Information and compromise your Computer.] no switches exist at the site. I can't see how to share the CTC and NON CTC Control units on a Ficon card, it (HCD) keeps generating a message that you can't "share" CTC and NON CTC on the same CHPID, but maybe I'm doing something wrong. == Jeśli nie jesteś adresatem tej wiadomości: - powiadom nas o tym w mailu zwrotnym (dziękujemy!), - usuń trwale tę wiadomość (i wszystkie kopie, które wydrukowałeś lub zapisałeś na dysku). Wiadomość ta może zawierać chronione prawem informacje, które może wykorzystać tylko adresat.Przypominamy, że każdy, kto rozpowszechnia (kopiuje, rozprowadza) tę wiadomość lub podejmuje podobne działania, narusza prawo i może podlegać karze. mBank S.A. z siedzibą w Warszawie, ul. Senatorska 18, 00-950 Warszawa,www.mBank.pl, e-mail: kont...@mbank.pl. Sąd Rejonowy dla m. st. Warszawy XII Wydział Gospodarczy Krajowego Rejestru Sądowego, KRS 025237, NIP: 526-021-50-88. Kapitał zakładowy (opłacony w całości) według stanu na 01.01.2020 r. wynosi 169.401.468 złotych. If you are not the addressee of this message: - let us know by replying to this e-mail (thank you!), - delete this message permanently (including all the copies which you have printed out or saved). This message may contain legally protected information, which may be used exclusively by the addressee.Please be reminded that anyone who disseminates (copies, distributes) this message or takes any similar action, violates the law and may be penalised. mBank S.A. with its registered office in Warsaw, ul. Senatorska 18, 00-950 Warszawa,www.mBank.pl, e-mail: kont...@mbank.pl. District Court for the Capital City of Warsaw, 12th Commercial Division of the National Court Register, KRS 025237, NIP: 526-021-50-88. Fully paid-up share capital amounting to PLN 169.401.468 as at 1 January 2020. -- For IBM-MAIN subscribe / signoff / archive access instructions, send email to lists...@listserv.ua.edu with the message: INFO IBM-MAIN
Re: Base SYSPLEX setup
On Wed, 3 Jun 2020 13:05:11 +, Allan Staller wrote: > You cannot share chpid without the switch. It is point to point >topology, not daisy chains like in Bus > >That is incorrect. I routine share ahannels across LPARs. > >The purpose of the switch is to concect multiple physical CECs to a single >device. > We have lots of multiple CU's on a channel, thats what CUADD is for. When I try what Brian is doing, I receive msgCBDG198 (which there is no help panel, have to find it in the KC): CBDG198I There is a mix of FCTC and non-FCTC control units on channel path proc_id.chpid. Control units: cu_number1, cu_number2 Explanation All control units on the same channel path without dynamic switch must be either all FCTC control units, or none of the control units must be an FCTC control unit. Dana -- For IBM-MAIN subscribe / signoff / archive access instructions, send email to lists...@listserv.ua.edu with the message: INFO IBM-MAIN
Re: Base SYSPLEX setup
W dniu 03.06.2020 o 15:05, Allan Staller pisze: You cannot share chpid without the switch. It is point to point topology, not daisy chains like in Bus That is incorrect. I routine share channels across LPARs. The purpose of the switch is to connect multiple physical CECs to a single device. Yes, it is incorrect. Linguistically incorrect. And I sustain what I said (or wanted to say) using my poor English, so let me rephrase it: FICON chpid can be share between LPARs. Or even spanned - that mean share betwenn LPARs belonging to different CSSes. FICON can be used to attach multiple CUs, like two DASD boxes, or DASD and tape (not recommended, but possible). In order to do that you have to use switch. And the above is the only method to have CTC on FICON chpid, which is also used for other CU connectivity (like DASD or tape). Your purpose of the switch is also valid, however in this scenario the CU may have more channel adapters and each CPC may use point-to-point connectivity directly to a CU. It is especially reasonable when given CU has more than 8 channel adapters, i.e. 16. In that scenario CPC A may use 8 channels (max. limit), and CPC B may use other 8 channels. Back to the topic it is impossible to share FC chpid for CU connectivity and CTC *without the switch*. -- Radoslaw Skorupka Lodz, Poland == Jeśli nie jesteś adresatem tej wiadomości: - powiadom nas o tym w mailu zwrotnym (dziękujemy!), - usuń trwale tę wiadomość (i wszystkie kopie, które wydrukowałeś lub zapisałeś na dysku). Wiadomość ta może zawierać chronione prawem informacje, które może wykorzystać tylko adresat.Przypominamy, że każdy, kto rozpowszechnia (kopiuje, rozprowadza) tę wiadomość lub podejmuje podobne działania, narusza prawo i może podlegać karze. mBank S.A. z siedzibą w Warszawie, ul. Senatorska 18, 00-950 Warszawa,www.mBank.pl, e-mail: kont...@mbank.pl. Sąd Rejonowy dla m. st. Warszawy XII Wydział Gospodarczy Krajowego Rejestru Sądowego, KRS 025237, NIP: 526-021-50-88. Kapitał zakładowy (opłacony w całości) według stanu na 01.01.2020 r. wynosi 169.401.468 złotych. If you are not the addressee of this message: - let us know by replying to this e-mail (thank you!), - delete this message permanently (including all the copies which you have printed out or saved). This message may contain legally protected information, which may be used exclusively by the addressee.Please be reminded that anyone who disseminates (copies, distributes) this message or takes any similar action, violates the law and may be penalised. mBank S.A. with its registered office in Warsaw, ul. Senatorska 18, 00-950 Warszawa,www.mBank.pl, e-mail: kont...@mbank.pl. District Court for the Capital City of Warsaw, 12th Commercial Division of the National Court Register, KRS 025237, NIP: 526-021-50-88. Fully paid-up share capital amounting to PLN 169.401.468 as at 1 January 2020. -- For IBM-MAIN subscribe / signoff / archive access instructions, send email to lists...@listserv.ua.edu with the message: INFO IBM-MAIN
Re: Base SYSPLEX setup
You cannot share chpid without the switch. It is point to point topology, not daisy chains like in Bus That is incorrect. I routine share channels across LPARs. The purpose of the switch is to connect multiple physical CECs to a single device. -Original Message- From: IBM Mainframe Discussion List On Behalf Of R.S. Sent: Wednesday, June 3, 2020 3:26 AM To: IBM-MAIN@LISTSERV.UA.EDU Subject: Re: Base SYSPLEX setup [CAUTION: This Email is from outside the Organization. Unless you trust the sender, Don’t click links or open attachments as it may be a Phishing email, which can steal your Information and compromise your Computer.] W dniu 03.06.2020 o 06:09, Brian Westerman pisze: > no switches exist at the site. > > I can't see how to share the CTC and NON CTC Control units on a Ficon card, > it (HCD) keeps generating a message that you can't "share" CTC and NON CTC on > the same CHPID, but maybe I'm doing something wrong. You cannot share chpid without the switch. It is point to point topology, not daisy chains like in Bus Note, second hand switch with 8Gbps speed can be purchased just for peanuts. Regarding CTC, I think it is well documented. It was documented when I read about it years ago when I moved from ESCON to FICON. -- Radoslaw Skorupka Lodz, Poland == Jeśli nie jesteś adresatem tej wiadomości: - powiadom nas o tym w mailu zwrotnym (dziękujemy!), - usuń trwale tę wiadomość (i wszystkie kopie, które wydrukowałeś lub zapisałeś na dysku). Wiadomość ta może zawierać chronione prawem informacje, które może wykorzystać tylko adresat.Przypominamy, że każdy, kto rozpowszechnia (kopiuje, rozprowadza) tę wiadomość lub podejmuje podobne działania, narusza prawo i może podlegać karze. mBank S.A. z siedzibą w Warszawie, ul. Senatorska 18, 00-950 Warszawa,https://apc01.safelinks.protection.outlook.com/?url=http%3A%2F%2Fwww.mbank.pl%2Fdata=02%7C01%7Callan.staller%40HCL.COM%7C7ff3567deee34f0190ad08d80797d691%7C189de737c93a4f5a8b686f4ca9941912%7C0%7C0%7C637267696027597842sdata=NpN4os%2F8Kc00XIN96B6aWlSlhcVx7rQeUhKFPLOotqU%3Dreserved=0, e-mail: kont...@mbank.pl. Sąd Rejonowy dla m. st. Warszawy XII Wydział Gospodarczy Krajowego Rejestru Sądowego, KRS 025237, NIP: 526-021-50-88. Kapitał zakładowy (opłacony w całości) według stanu na 01.01.2020 r. wynosi 169.401.468 złotych. If you are not the addressee of this message: - let us know by replying to this e-mail (thank you!), - delete this message permanently (including all the copies which you have printed out or saved). This message may contain legally protected information, which may be used exclusively by the addressee.Please be reminded that anyone who disseminates (copies, distributes) this message or takes any similar action, violates the law and may be penalised. mBank S.A. with its registered office in Warsaw, ul. Senatorska 18, 00-950 Warszawa,https://apc01.safelinks.protection.outlook.com/?url=http%3A%2F%2Fwww.mbank.pl%2Fdata=02%7C01%7Callan.staller%40HCL.COM%7C7ff3567deee34f0190ad08d80797d691%7C189de737c93a4f5a8b686f4ca9941912%7C0%7C0%7C637267696027607844sdata=ce805mVHVZi95MYjm65SwTJhh0ho%2Bn%2BdDcN1MVD4x%2FM%3Dreserved=0, e-mail: kont...@mbank.pl. District Court for the Capital City of Warsaw, 12th Commercial Division of the National Court Register, KRS 025237, NIP: 526-021-50-88. Fully paid-up share capital amounting to PLN 169.401.468 as at 1 January 2020. -- For IBM-MAIN subscribe / signoff / archive access instructions, send email to lists...@listserv.ua.edu with the message: INFO IBM-MAIN ::DISCLAIMER:: The contents of this e-mail and any attachment(s) are confidential and intended for the named recipient(s) only. E-mail transmission is not guaranteed to be secure or error-free as information could be intercepted, corrupted, lost, destroyed, arrive late or incomplete, or may contain viruses in transmission. The e mail and its contents (with or without referred errors) shall therefore not attach any liability on the originator or HCL or its affiliates. Views or opinions, if any, presented in this email are solely those of the author and may not necessarily reflect the views or opinions of HCL or its affiliates. Any form of reproduction, dissemination, copying, disclosure, modification, distribution and / or publication of this message without the prior written consent of authorized representative of HCL is strictly prohibited. If you have received this email in error please delete it and notify the sender immediately. Before opening any email and/or attachments, please check them for viruses and other defects. -- For IBM-MAIN subscribe / signoff / archive access instruct
Re: Base SYSPLEX setup
4 ficon ports(CHPIDs) and 2 ficon cables are required. Each cable is shared in a bi-directional manner. e.g CTCchipd1 <> chpid2 CNC Signalling Path 1 CNCchpid3 <> chpid4 CTC Signalling Path 2 -Original Message- From: IBM Mainframe Discussion List On Behalf Of Brian Westerman Sent: Tuesday, June 2, 2020 11:10 PM To: IBM-MAIN@LISTSERV.UA.EDU Subject: Re: Base SYSPLEX setup [CAUTION: This Email is from outside the Organization. Unless you trust the sender, Don’t click links or open attachments as it may be a Phishing email, which can steal your Information and compromise your Computer.] no switches exist at the site. I can't see how to share the CTC and NON CTC Control units on a Ficon card, it (HCD) keeps generating a message that you can't "share" CTC and NON CTC on the same CHPID, but maybe I'm doing something wrong. -- For IBM-MAIN subscribe / signoff / archive access instructions, send email to lists...@listserv.ua.edu with the message: INFO IBM-MAIN ::DISCLAIMER:: The contents of this e-mail and any attachment(s) are confidential and intended for the named recipient(s) only. E-mail transmission is not guaranteed to be secure or error-free as information could be intercepted, corrupted, lost, destroyed, arrive late or incomplete, or may contain viruses in transmission. The e mail and its contents (with or without referred errors) shall therefore not attach any liability on the originator or HCL or its affiliates. Views or opinions, if any, presented in this email are solely those of the author and may not necessarily reflect the views or opinions of HCL or its affiliates. Any form of reproduction, dissemination, copying, disclosure, modification, distribution and / or publication of this message without the prior written consent of authorized representative of HCL is strictly prohibited. If you have received this email in error please delete it and notify the sender immediately. Before opening any email and/or attachments, please check them for viruses and other defects. -- For IBM-MAIN subscribe / signoff / archive access instructions, send email to lists...@listserv.ua.edu with the message: INFO IBM-MAIN
Re: Base SYSPLEX setup
W dniu 03.06.2020 o 06:09, Brian Westerman pisze: no switches exist at the site. I can't see how to share the CTC and NON CTC Control units on a Ficon card, it (HCD) keeps generating a message that you can't "share" CTC and NON CTC on the same CHPID, but maybe I'm doing something wrong. You cannot share chpid without the switch. It is point to point topology, not daisy chains like in Bus Note, second hand switch with 8Gbps speed can be purchased just for peanuts. Regarding CTC, I think it is well documented. It was documented when I read about it years ago when I moved from ESCON to FICON. -- Radoslaw Skorupka Lodz, Poland == Jeśli nie jesteś adresatem tej wiadomości: - powiadom nas o tym w mailu zwrotnym (dziękujemy!), - usuń trwale tę wiadomość (i wszystkie kopie, które wydrukowałeś lub zapisałeś na dysku). Wiadomość ta może zawierać chronione prawem informacje, które może wykorzystać tylko adresat.Przypominamy, że każdy, kto rozpowszechnia (kopiuje, rozprowadza) tę wiadomość lub podejmuje podobne działania, narusza prawo i może podlegać karze. mBank S.A. z siedzibą w Warszawie, ul. Senatorska 18, 00-950 Warszawa,www.mBank.pl, e-mail: kont...@mbank.pl. Sąd Rejonowy dla m. st. Warszawy XII Wydział Gospodarczy Krajowego Rejestru Sądowego, KRS 025237, NIP: 526-021-50-88. Kapitał zakładowy (opłacony w całości) według stanu na 01.01.2020 r. wynosi 169.401.468 złotych. If you are not the addressee of this message: - let us know by replying to this e-mail (thank you!), - delete this message permanently (including all the copies which you have printed out or saved). This message may contain legally protected information, which may be used exclusively by the addressee.Please be reminded that anyone who disseminates (copies, distributes) this message or takes any similar action, violates the law and may be penalised. mBank S.A. with its registered office in Warsaw, ul. Senatorska 18, 00-950 Warszawa,www.mBank.pl, e-mail: kont...@mbank.pl. District Court for the Capital City of Warsaw, 12th Commercial Division of the National Court Register, KRS 025237, NIP: 526-021-50-88. Fully paid-up share capital amounting to PLN 169.401.468 as at 1 January 2020. -- For IBM-MAIN subscribe / signoff / archive access instructions, send email to lists...@listserv.ua.edu with the message: INFO IBM-MAIN
Re: Base SYSPLEX setup
This is the second time someone mentioned sharing FCTC with regular stuff one
Ficon cards. Maybe I'm doing something wrong when I try to do this with HCD.
Possibly I delete the current FICON TAPE or DASD CHPID entry and start from
scratch as some other "kind" of definition.
Has anyone tried this that can point the way?
Brian
On Tue, 2 Jun 2020 11:56:37 +, Allan Staller wrote:
>A total of 4 ficon ports are required with 2 cables. The FICON CTC's can be
>shared by all connected LPARs via PATHIIN/PATHOUT in SYS1.PARMLIB(COUPLExx).
>
>
>-Original Message-
>From: IBM Mainframe Discussion List On Behalf Of
>Timothy Sipples
>Sent: Tuesday, June 2, 2020 12:07 AM
>To: IBM-MAIN@LISTSERV.UA.EDU
>Subject: Re: Base SYSPLEX setup
>
>[CAUTION: This Email is from outside the Organization. Unless you trust the
>sender, Don’t click links or open attachments as it may be a Phishing email,
>which can steal your Information and compromise your Computer.]
>
>Brian,
>
>1. If you haven't also looked at IBM Publication No. SB10-7174 yet, I'd refer
>you to that one ("IBM Z FICON Channel-to-Channel Reference"). I believe you've
>found SG24-5451 already.
>
>2. You might not need additional FICON Express features at all. It depends on
>how you're set up, but there's quite a bit of link sharing that's possible.
>Quoting IBM, "A FICON channel with CTC capability may behave as both a
>standard FICON channel connecting to standard FICON I/O control units, as well
>as having an internal CTC control unit function in support of CTC
>connections Neither FICON channel must be dedicated exclusively to CTC
>operations."
>
>If you have (for example) two machines connected to at least one common FICON
>SAN switch/director then you're *probably* good to go from a physical point of
>view, for some minimum level of service anyway. Sure, do due diligence in
>terms of performance and such, but it seems like a better idea to me to leave
>these machines physically unmolested if possible rather than try to hack
>something in (that's withdrawn from marketing).
>
>There was probably some point in "ancient history" when the various sharing
>options weren't available, but I believe all FICON-equipped z/Architecture
>machines have these various CTC-related sharing capabilities at least in some
>fashion. SB10-7174 repeatedly refers to an engineering change (EC) that was
>available at least as far back as the IBM
>z900 from what I can tell.
>
>- - - - - - - - - -
>Timothy Sipple
>
>I.T. Architect Executive
>Digital Asset & Other Industry Solutions IBM Z & LinuxONE
>- - - - - - - - - -
>E-Mail: sipp...@sg.ibm.com
>
>--
>For IBM-MAIN subscribe / signoff / archive access instructions, send email to
>lists...@listserv.ua.edu with the message: INFO IBM-MAIN
>::DISCLAIMER::
>
>The contents of this e-mail and any attachment(s) are confidential and
>intended for the named recipient(s) only. E-mail transmission is not
>guaranteed to be secure or error-free as information could be intercepted,
>corrupted, lost, destroyed, arrive late or incomplete, or may contain viruses
>in transmission. The e mail and its contents (with or without referred errors)
>shall therefore not attach any liability on the originator or HCL or its
>affiliates. Views or opinions, if any, presented in this email are solely
>those of the author and may not necessarily reflect the views or opinions of
>HCL or its affiliates. Any form of reproduction, dissemination, copying,
>disclosure, modification, distribution and / or publication of this message
>without the prior written consent of authorized representative of HCL is
>strictly prohibited. If you have received this email in error please delete it
>and notify the sender immediately. Before opening any email and/or
>attachments, please check them for viruses and other defects.
>
>
>--
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Re: Base SYSPLEX setup
That is probably true, but you can't run a Star without CF's, which are out of the question due to cost. Brian -- For IBM-MAIN subscribe / signoff / archive access instructions, send email to lists...@listserv.ua.edu with the message: INFO IBM-MAIN
Re: Base SYSPLEX setup
We don't have a switch. And GRS can't possibly be worse than MIM using DASD to send the information between the LPARs, which is what is happening now. Brian On Tue, 2 Jun 2020 11:43:30 +0200, R.S. wrote: >Good question. However better question is why LPARs withing single CPC >cannot communicate via some emulated channel like ICP or IQD. The only >reasonable answer is because IBM decided. Was the decision reasonable? >That's another question. >Fortunately for FICON CTC it is enough to use *one* channel connected do >a switch. And the channel may be shared, that means may also serve >another CUs. >Assuming poor configuration and lack of budget, that could be a solution >to use two (redundancy) existing FC chpids, attached to switch. Of >course I would choose less busy channels. > >BTW: GRS ring is not for free. It will take CPU cycles. And it will >introduce delays. >The alternative for GRS ring is ...maybe no GRS between LPARs. Maybe >workload can be consolidated on single LPAR or resources may be not >shared. Or sharing may be reorganized. > >-- >Radoslaw Skorupka >Lodz, Poland > > > > > > >W dniu 02.06.2020 o 05:42, kekronbekron pisze: >> Just curious .. why does it have to be FICON CTC, why can't it be SMC-D/R or >> HiperSockets or one of those ICA-SR (or whatever it's called) connectors IF >> 2 machines are involved. >> >> >> - KB >> >> ‐‐‐ Original Message ‐‐‐ >> On Monday, June 1, 2020 6:29 PM, Allan Staller wrote: >> >>> See the manuals "Setting up a SYSPLEX" and "Merging Systems Into A >>> SYSPLEX". Both can be found on the IBM zOS Library site. >>> Some key items not available in a base sysplex: >>> >>> GRS START (use CTC for inter-image communication. >>> VTAM Generic resources, VTAM MNPS >>> RACF data sharing (RACF sysplex communications is available) >>> Many others. All are described in Setting Up a SYSPLEX >>> >>> HTH, >>> -Original Message- >>> From: IBM Mainframe Discussion List IBM-MAIN@LISTSERV.UA.EDU On Behalf Of >>> Brian Westerman >>> >>> Sent: Sunday, May 31, 2020 2:05 AM >>> To: IBM-MAIN@LISTSERV.UA.EDU >>> Subject: Base SYSPLEX setup >>> >>> [CAUTION: This Email is from outside the Organization. Unless you trust the >>> sender, Don’t click links or open attachments as it may be a Phishing >>> email, which can steal your Information and compromise your Computer.] >>> >>> Hi, >>> >>> I'm looking for information on how to set up a base SYSPLEX with only Ficon >>> CTC's that seem to be referred to as XCF CTC's. >>> >>> I'm sure someone had done this before and is probably doing it now for >>> Multiple LPARs that are running on the same processor CEC. Configuration >>> help (parms etc.) would be greatly appreciated. I think all we need to do >>> to connect the 3 existing LPARs is purchase 2 FICON cards (we currently >>> have no extras). Unfortunately, the IBM docs seem to talk a lot about the >>> full parallel sysplexes (with Coupling facilities), but we don't have them, >>> and they seem to be a great deal more expensive than FICON cards which are >>> all we need to implement GRS anyway (that's our goal). We can also >>> apparently create a virtual CF, but the overhead appears to be far greater >>> than we can spare. >>> >>> Any CXF CTC setup information would be greatly appreciated. >>> >>> Thanks >>> >>> Brian >>> > > >== > >Jeśli nie jesteś adresatem tej wiadomości: > >- powiadom nas o tym w mailu zwrotnym (dziękujemy!), >- usuń trwale tę wiadomość (i wszystkie kopie, które wydrukowałeś lub >zapisałeś na dysku). >Wiadomość ta może zawierać chronione prawem informacje, które może wykorzystać >tylko adresat.Przypominamy, że każdy, kto rozpowszechnia (kopiuje, >rozprowadza) tę wiadomość lub podejmuje podobne działania, narusza prawo i >może podlegać karze. > >mBank S.A. z siedzibą w Warszawie, ul. Senatorska 18, 00-950 >Warszawa,www.mBank.pl, e-mail: kont...@mbank.pl. Sąd Rejonowy dla m. st. >Warszawy XII Wydział Gospodarczy Krajowego Rejestru Sądowego, KRS 025237, >NIP: 526-021-50-88. Kapitał zakładowy (opłacony w całości) według stanu na >01.01.2020 r. wynosi 169.401.468 złotych. > >If you are not the addressee of this message: > >- let us know by replying to this e-mail (thank you!), >- delete this message permanently (including all the copies whi
Re: Base SYSPLEX setup
no switches exist at the site. I can't see how to share the CTC and NON CTC Control units on a Ficon card, it (HCD) keeps generating a message that you can't "share" CTC and NON CTC on the same CHPID, but maybe I'm doing something wrong. -- For IBM-MAIN subscribe / signoff / archive access instructions, send email to lists...@listserv.ua.edu with the message: INFO IBM-MAIN
Re: Base SYSPLEX setup
For our type of load it's supposed to be negligible. The machine is a 13MSU box and the load that runs is about 8 to 11 at the peaks, so it's pretty low use. Most of what runs isn't batch or TSO, so there isn't a lot of allocation/deallocation going on. Brian On Tue, 2 Jun 2020 04:41:54 +, Seymour J Metz wrote: >Have you evaluated the CPU cost of GRS in a ring? > > >-- >Shmuel (Seymour J.) Metz >http://mason.gmu.edu/~smetz3 > > >From: IBM Mainframe Discussion List [IBM-MAIN@LISTSERV.UA.EDU] on behalf of >Brian Westerman [brian_wester...@syzygyinc.com] >Sent: Tuesday, June 2, 2020 12:36 AM >To: IBM-MAIN@LISTSERV.UA.EDU >Subject: Re: Base SYSPLEX setup > >It's all about the cost. Especially right now, there is just no money to put >into the box. If we knew for sure that the software CF would only take 1MSU >or less, then we would do it in a heartbeat, but it's a base model z13s so >there are only 13MSU's int he entire complex, taking even one away is a big >deal, but IBM will only guarantee that it wouldn't take more than "a couple". >We don't have a couple to give up. Even just 2 is more than 15%. The goal is >to install GRS (free) so that we can drop MIM. > >On Mon, 1 Jun 2020 11:15:45 +0200, R.S. wrote: > >>W dniu 01.06.2020 o 02:27, Brian Westerman pisze: >>> The box isn't maxed out, but it's pretty close. It's a base z13s and no >>> money to upgrade it. The cards are a cheap way to get by (they are under >>> $400 with $0 increase in maintenance costs), whereas the cost of a CF is >>> far greater. We can't use the software CF option (build a CF lpar without >>> a actual CF processor) because that would take us over the tipping point >>> and no budget to add any more MSU's to resolve it. Maybe in a year or so, >>> but for now that's not a viable option. >> >>OK, we know it's poor configuration. Old machine, small one. >>So, what is the reason for Sysplex? What goal to achieve? >>Sysplex takes some CPU, so for "pretty close to maxed out" CPC it is not >>very fine. >>IMHO it would be reasonable to consider purchase second hand CPC as >>standalone CF and some cards. Of course the question about the goal is >>still valid. >> >>-- >>Radoslaw Skorupka >>Lodz, Poland >> >> >> >> >> >>== >> >>Je�li nie jeste� adresatem tej wiadomo�ci: >> >>- powiadom nas o tym w mailu zwrotnym (dzi�kujemy!), >>- usu� trwale t� wiadomo�� (i wszystkie kopie, kt�re wydrukowa�e� lub >>zapisa�e� na dysku). >>Wiadomo�� ta mo�e zawiera� chronione prawem informacje, kt�re mo�e >>wykorzysta� tylko adresat.Przypominamy, �e ka�dy, kto rozpowszechnia >>(kopiuje, rozprowadza) t� wiadomo�� lub podejmuje podobne dzia�ania, narusza >>prawo i mo�e podlega� karze. >> >>mBank S.A. z siedzib� w Warszawie, ul. Senatorska 18, 00-950 >>Warszawa,http://secure-web.cisco.com/15OWiOdCm4GznBvnnKw6X3yZLqNv8pT-7PB_1iO3mWjo7Q8gm8PlAFUJrEGGliME5TZV5K5-LN_C8vilKWWfMXMA-9QrMl_l5rSOvdcmrQwRvL3BT8DDkbp3XbBUTycrssNKyAVpkg7DR5AsscwsdLKt9S7cOkzFUtOmJCmGI371F_jX7B6s_Bovb-Q6bzHHZl3L7CgCo-4FsI-1lUg7pJyJTCQTq7OZZw7xrWhibFcW-oHvmFhVOXuQt9qm7gbEsqHMO9cw2V0hEwrUXJ6tHoSYC5KTfQ6D0gSrMFUD6V_wVyVmQaCD9H0xU9rEHifqGBfERJKqh-cf3QMCyyIcA3tBCCFGb3XwosFst2gO2osp3yN1UZIhdEYz08HiGYiaIDtbQhCWQIoNots64UKPGGfCcbRyOWHmLO2bq9Dlg5_GwLnHUb4TLpdsugzD8l27x/http%3A%2F%2Fwww.mBank.pl, >> e-mail: kont...@mbank.pl. S�d Rejonowy dla m. st. Warszawy XII Wydzia� >>Gospodarczy Krajowego Rejestru S�dowego, KRS 025237, NIP: 526-021-50-88. >>Kapita� zak�adowy (op�acony w ca�o�ci) wed�ug stanu na 01.01.2020 r. wynosi >>169.401.468 z�otych. >> >>If you are not the addressee of this message: >> >>- let us know by replying to this e-mail (thank you!), >>- delete this message permanently (including all the copies which you have >>printed out or saved). >>This message may contain legally protected information, which may be used >>exclusively by the addressee.Please be reminded that anyone who disseminates >>(copies, distributes) this message or takes any similar action, violates the >>law and may be penalised. >> >>mBank S.A. with its registered office in Warsaw, ul. Senatorska 18, 00-950 >>Warszawa,http://secure-web.cisco.com/15OWiOdCm4GznBvnnKw6X3yZLqNv8pT-7PB_1iO3mWjo7Q8gm8PlAFUJrEGGliME5TZV5K5-LN_C8vilKWWfMXMA-9QrMl_l5rSOvdcmrQwRvL3BT8DDkbp3XbBUTycrssNKyAVpkg7DR5AsscwsdLKt9S7cOkzFUtOmJCmGI371F_jX7B6s_Bovb-Q6bzHHZl3L7CgCo-4FsI-1lUg7pJyJTCQTq7OZZw7xrWhibFcW-oHvmFhVOXuQt9qm7gbEsqHMO9cw2V0hEwrUXJ6tHoSYC5K
Re: Base SYSPLEX setup [EXTERNAL]
Dana, when we had the CTCs defined going through a set of switches we did not have the Serial-# field coded in HCD. When we defined new CTCs without the switches we at first did not code the Serial-# And things didn't seem to want to "connect" up properly. We then coded the Serial-# in HCD and things connected up properly. Here are a few other thoughts on the subject of the base sysplex setup. I can understand the idea of trying to save money. We all have to deal with management wanting not to spend money. So you do what you can with what you have. The idea of using existing channels with DASD or TAPE at the other end for the CTC connections can be done, I'm just not a fan of that support. If possible I would rather see the CTCs have their own channels. That is how I've set it up over the years. I help support two base sysplex environments and one parallel sysplex. The two base sysplex have three lpars each. We use the XCF/CTC setup to support GRS and a few other things for the base sysplex. From what I see GRS ring works better when it lets XCF do the signaling management. Naturally the overhead of GRS will vary depending on how busy it gets. That also holds true for XCF. Like I say I think GRS ring works better with XCF in the picture. Thanks.. Paul Feller GTS Mainframe Technical Support -Original Message- From: IBM Mainframe Discussion List On Behalf Of Dana Mitchell Sent: Tuesday, June 02, 2020 8:35 AM To: IBM-MAIN@LISTSERV.UA.EDU Subject: Re: Base SYSPLEX setup [EXTERNAL] On Sun, 31 May 2020 12:19:16 +, Feller, Paul wrote: > We found out the hard way when we converted off of FICON switches you > need to code a serial number in the control unit definition to make the > connection work properly. > Does lack of a serial number really prevent these from working? I've always had them coded, but I just assumed they were just so HCD could make out what the physical connections were, for reporting purposes and whatnot. Dana -- For IBM-MAIN subscribe / signoff / archive access instructions, send email to lists...@listserv.ua.edu with the message: INFO IBM-MAIN -- For IBM-MAIN subscribe / signoff / archive access instructions, send email to lists...@listserv.ua.edu with the message: INFO IBM-MAIN
Re: Base SYSPLEX setup
1. As documentations says, CTC over FICON require two ports connected
with a cable (similar to ESCON), or single port, but it has to be
connected to a switch. Absolutely no loopback is ever used.
2. Don't confuse loopback and dust-cover. The first is really a piece of
fiber optic with ferrules. The second one is just a piece of gum or
plastic. Note: you should have spare dust covers in place, never leave
fiber optic uncovered.
Regards
--
Radoslaw Skorupka
Lodz, Poland
W dniu 02.06.2020 o 14:00, Edgington, Jerry pisze:
Alan,
Just curious, but does using FCTCs use less MSUs than XCF structures?? Also, I
believe you can use the FICON terminators, and loop the FICON back to itself.
However, I haven't done it myself, because normally, during installation IBM
removes all the FICON terminators.
Thanks,
Jerry
-Original Message-
From: IBM Mainframe Discussion List On Behalf Of
Allan Staller
Sent: Tuesday, June 2, 2020 7:57 AM
To: IBM-MAIN@LISTSERV.UA.EDU
Subject: Re: Base SYSPLEX setup
This message was sent from an external source outside of Western & Southern's
network. Do not click links or open attachments unless you recognize the sender and
know the contents are safe.
A total of 4 ficon ports are required with 2 cables. The FICON CTC's can be
shared by all connected LPARs via PATHIIN/PATHOUT in SYS1.PARMLIB(COUPLExx).
-Original Message-
From: IBM Mainframe Discussion List On Behalf Of
Timothy Sipples
Sent: Tuesday, June 2, 2020 12:07 AM
To: IBM-MAIN@LISTSERV.UA.EDU
Subject: Re: Base SYSPLEX setup
[CAUTION: This Email is from outside the Organization. Unless you trust the
sender, Don’t click links or open attachments as it may be a Phishing email,
which can steal your Information and compromise your Computer.]
Brian,
1. If you haven't also looked at IBM Publication No. SB10-7174 yet, I'd refer you to that
one ("IBM Z FICON Channel-to-Channel Reference"). I believe you've found
SG24-5451 already.
2. You might not need additional FICON Express features at all. It depends on how you're
set up, but there's quite a bit of link sharing that's possible. Quoting IBM, "A
FICON channel with CTC capability may behave as both a standard FICON channel connecting
to standard FICON I/O control units, as well as having an internal CTC control unit
function in support of CTC connections Neither FICON channel must be dedicated
exclusively to CTC operations."
If you have (for example) two machines connected to at least one common FICON
SAN switch/director then you're *probably* good to go from a physical point of
view, for some minimum level of service anyway. Sure, do due diligence in terms
of performance and such, but it seems like a better idea to me to leave these
machines physically unmolested if possible rather than try to hack something in
(that's withdrawn from marketing).
There was probably some point in "ancient history" when the various sharing
options weren't available, but I believe all FICON-equipped z/Architecture machines have
these various CTC-related sharing capabilities at least in some fashion. SB10-7174
repeatedly refers to an engineering change (EC) that was available at least as far back
as the IBM
z900 from what I can tell.
- - - - - - - - - -
Timothy Sipples
I.T. Architect Executive
Digital Asset & Other Industry Solutions IBM Z & LinuxONE
- - - - - - - - - -
E-Mail: sipp...@sg.ibm.com
==
Jeśli nie jesteś adresatem tej wiadomości:
- powiadom nas o tym w mailu zwrotnym (dziękujemy!),
- usuń trwale tę wiadomość (i wszystkie kopie, które wydrukowałeś lub zapisałeś
na dysku).
Wiadomość ta może zawierać chronione prawem informacje, które może wykorzystać
tylko adresat.Przypominamy, że każdy, kto rozpowszechnia (kopiuje, rozprowadza)
tę wiadomość lub podejmuje podobne działania, narusza prawo i może podlegać
karze.
mBank S.A. z siedzibą w Warszawie, ul. Senatorska 18, 00-950
Warszawa,www.mBank.pl, e-mail: kont...@mbank.pl. Sąd Rejonowy dla m. st.
Warszawy XII Wydział Gospodarczy Krajowego Rejestru Sądowego, KRS 025237,
NIP: 526-021-50-88. Kapitał zakładowy (opłacony w całości) według stanu na
01.01.2020 r. wynosi 169.401.468 złotych.
If you are not the addressee of this message:
- let us know by replying to this e-mail (thank you!),
- delete this message permanently (including all the copies which you have
printed out or saved).
This message may contain legally protected information, which may be used
exclusively by the addressee.Please be reminded that anyone who disseminates
(copies, distributes) this message or takes any similar action, violates the
law and may be penalised.
mBank S.A. with its registered office in Warsaw, ul. Senatorska 18, 00-950
Warszawa,www.mBank.pl
Re: Base SYSPLEX setup [EXTERNAL]
On Sun, 31 May 2020 12:19:16 +, Feller, Paul wrote: > We found out the hard way when we converted off of FICON switches you need to > code a serial number in the control unit definition to make > the connection work properly. > Does lack of a serial number really prevent these from working? I've always had them coded, but I just assumed they were just so HCD could make out what the physical connections were, for reporting purposes and whatnot. Dana -- For IBM-MAIN subscribe / signoff / archive access instructions, send email to lists...@listserv.ua.edu with the message: INFO IBM-MAIN
Re: Base SYSPLEX setup
Speaking from experience, I did not notice any significant CPU associated w/GRS Ring. I did notice approximately 3x elongation in elapsed time in some GRS intensive tasks. (e.g. dfHSM dataset expiration) -Original Message- From: IBM Mainframe Discussion List On Behalf Of Seymour J Metz Sent: Monday, June 1, 2020 11:42 PM To: IBM-MAIN@LISTSERV.UA.EDU Subject: Re: Base SYSPLEX setup [CAUTION: This Email is from outside the Organization. Unless you trust the sender, Don’t click links or open attachments as it may be a Phishing email, which can steal your Information and compromise your Computer.] Have you evaluated the CPU cost of GRS in a ring? -- Shmuel (Seymour J.) Metz https://apc01.safelinks.protection.outlook.com/?url=http:%2F%2Fmason.gmu.edu%2F~smetz3data=02%7C01%7Callan.staller%40HCL.COM%7C11ae7122232746f0759108d806af52f0%7C189de737c93a4f5a8b686f4ca9941912%7C0%7C0%7C637266697393351575sdata=OVu0Lrnl6iFj22lyo2A4F9RVxTglzm70RhDvQQvfcbs%3Dreserved=0 From: IBM Mainframe Discussion List [IBM-MAIN@LISTSERV.UA.EDU] on behalf of Brian Westerman [brian_wester...@syzygyinc.com] Sent: Tuesday, June 2, 2020 12:36 AM To: IBM-MAIN@LISTSERV.UA.EDU Subject: Re: Base SYSPLEX setup It's all about the cost. Especially right now, there is just no money to put into the box. If we knew for sure that the software CF would only take 1MSU or less, then we would do it in a heartbeat, but it's a base model z13s so there are only 13MSU's int he entire complex, taking even one away is a big deal, but IBM will only guarantee that it wouldn't take more than "a couple". We don't have a couple to give up. Even just 2 is more than 15%. The goal is to install GRS (free) so that we can drop MIM. On Mon, 1 Jun 2020 11:15:45 +0200, R.S. wrote: >W dniu 01.06.2020 o 02:27, Brian Westerman pisze: >> The box isn't maxed out, but it's pretty close. It's a base z13s and no >> money to upgrade it. The cards are a cheap way to get by (they are under >> $400 with $0 increase in maintenance costs), whereas the cost of a CF is far >> greater. We can't use the software CF option (build a CF lpar without a >> actual CF processor) because that would take us over the tipping point and >> no budget to add any more MSU's to resolve it. Maybe in a year or so, but >> for now that's not a viable option. > >OK, we know it's poor configuration. Old machine, small one. >So, what is the reason for Sysplex? What goal to achieve? >Sysplex takes some CPU, so for "pretty close to maxed out" CPC it is >not very fine. >IMHO it would be reasonable to consider purchase second hand CPC as >standalone CF and some cards. Of course the question about the goal is >still valid. > >-- >Radoslaw Skorupka >Lodz, Poland > > > > > >== > >Jeśli nie jesteś adresatem tej wiadomości: > >- powiadom nas o tym w mailu zwrotnym (dziękujemy!), >- usuń trwale tę wiadomość (i wszystkie kopie, które wydrukowałeś lub >zapisałeś na dysku). >Wiadomość ta może zawierać chronione prawem informacje, które może wykorzystać >tylko adresat.Przypominamy, że każdy, kto rozpowszechnia (kopiuje, >rozprowadza) tę wiadomość lub podejmuje podobne działania, narusza prawo i >może podlegać karze. > >mBank S.A. z siedzibą w Warszawie, ul. Senatorska 18, 00-950 >Warszawa,https://apc01.safelinks.protection.outlook.com/?url=http%3A%2F%2Fsecure-web.cisco.com%2F15OWiOdCm4GznBvnnKw6X3yZLqNv8pT-7PB_1iO3mWjo7Q8gm8PlAFUJrEGGliME5TZV5K5-LN_C8vilKWWfMXMA-9QrMl_l5rSOvdcmrQwRvL3BT8DDkbp3XbBUTycrssNKyAVpkg7DR5AsscwsdLKt9S7cOkzFUtOmJCmGI371F_jX7B6s_Bovb-Q6bzHHZl3L7CgCo-4FsI-1lUg7pJyJTCQTq7OZZw7xrWhibFcW-oHvmFhVOXuQt9qm7gbEsqHMO9cw2V0hEwrUXJ6tHoSYC5KTfQ6D0gSrMFUD6V_wVyVmQaCD9H0xU9rEHifqGBfERJKqh-cf3QMCyyIcA3tBCCFGb3XwosFst2gO2osp3yN1UZIhdEYz08HiGYiaIDtbQhCWQIoNots64UKPGGfCcbRyOWHmLO2bq9Dlg5_GwLnHUb4TLpdsugzD8l27x%2Fhttp%253A%252F%252Fwww.mBank.pldata=02%7C01%7Callan.staller%40HCL.COM%7C11ae7122232746f0759108d806af52f0%7C189de737c93a4f5a8b686f4ca9941912%7C0%7C0%7C637266697393351575sdata=Ny8kdkaNOthAbjBHzErzlQvjGTiKGCkzQJQ8HgpFRMQ%3Dreserved=0, > e-mail: kont...@mbank.pl. Sąd Rejonowy dla m. st. Warszawy XII Wydział >Gospodarczy Krajowego Rejestru Sądowego, KRS 025237, NIP: 526-021-50-88. >Kapitał zakładowy (opłacony w całości) według stanu na 01.01.2020 r. wynosi >169.401.468 złotych. > >If you are not the addressee of this message: > >- let us know by replying to this e-mail (thank you!), >- delete this message permanently (including all the copies which you have >printed out or saved). >This message may contain legally protected information, which may be used >exclusively by the addressee.Please be reminded that anyone who disseminates >(copies, d
Re: Base SYSPLEX setup
Alan,
Just curious, but does using FCTCs use less MSUs than XCF structures?? Also, I
believe you can use the FICON terminators, and loop the FICON back to itself.
However, I haven't done it myself, because normally, during installation IBM
removes all the FICON terminators.
Thanks,
Jerry
-Original Message-
From: IBM Mainframe Discussion List On Behalf Of
Allan Staller
Sent: Tuesday, June 2, 2020 7:57 AM
To: IBM-MAIN@LISTSERV.UA.EDU
Subject: Re: Base SYSPLEX setup
This message was sent from an external source outside of Western & Southern's
network. Do not click links or open attachments unless you recognize the sender
and know the contents are safe.
A total of 4 ficon ports are required with 2 cables. The FICON CTC's can be
shared by all connected LPARs via PATHIIN/PATHOUT in SYS1.PARMLIB(COUPLExx).
-Original Message-
From: IBM Mainframe Discussion List On Behalf Of
Timothy Sipples
Sent: Tuesday, June 2, 2020 12:07 AM
To: IBM-MAIN@LISTSERV.UA.EDU
Subject: Re: Base SYSPLEX setup
[CAUTION: This Email is from outside the Organization. Unless you trust the
sender, Don’t click links or open attachments as it may be a Phishing email,
which can steal your Information and compromise your Computer.]
Brian,
1. If you haven't also looked at IBM Publication No. SB10-7174 yet, I'd refer
you to that one ("IBM Z FICON Channel-to-Channel Reference"). I believe you've
found SG24-5451 already.
2. You might not need additional FICON Express features at all. It depends on
how you're set up, but there's quite a bit of link sharing that's possible.
Quoting IBM, "A FICON channel with CTC capability may behave as both a standard
FICON channel connecting to standard FICON I/O control units, as well as having
an internal CTC control unit function in support of CTC connections Neither
FICON channel must be dedicated exclusively to CTC operations."
If you have (for example) two machines connected to at least one common FICON
SAN switch/director then you're *probably* good to go from a physical point of
view, for some minimum level of service anyway. Sure, do due diligence in terms
of performance and such, but it seems like a better idea to me to leave these
machines physically unmolested if possible rather than try to hack something in
(that's withdrawn from marketing).
There was probably some point in "ancient history" when the various sharing
options weren't available, but I believe all FICON-equipped z/Architecture
machines have these various CTC-related sharing capabilities at least in some
fashion. SB10-7174 repeatedly refers to an engineering change (EC) that was
available at least as far back as the IBM
z900 from what I can tell.
- - - - - - - - - -
Timothy Sipples
I.T. Architect Executive
Digital Asset & Other Industry Solutions IBM Z & LinuxONE
- - - - - - - - - -
E-Mail: sipp...@sg.ibm.com
--
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The e mail and its contents (with or without referred errors) shall therefore
not attach any liability on the originator or HCL or its affiliates. Views or
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may not necessarily reflect the views or opinions of HCL or its affiliates. Any
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Re: Base SYSPLEX setup
A total of 4 ficon ports are required with 2 cables. The FICON CTC's can be
shared by all connected LPARs via PATHIIN/PATHOUT in SYS1.PARMLIB(COUPLExx).
-Original Message-
From: IBM Mainframe Discussion List On Behalf Of
Timothy Sipples
Sent: Tuesday, June 2, 2020 12:07 AM
To: IBM-MAIN@LISTSERV.UA.EDU
Subject: Re: Base SYSPLEX setup
[CAUTION: This Email is from outside the Organization. Unless you trust the
sender, Don’t click links or open attachments as it may be a Phishing email,
which can steal your Information and compromise your Computer.]
Brian,
1. If you haven't also looked at IBM Publication No. SB10-7174 yet, I'd refer
you to that one ("IBM Z FICON Channel-to-Channel Reference"). I believe you've
found SG24-5451 already.
2. You might not need additional FICON Express features at all. It depends on
how you're set up, but there's quite a bit of link sharing that's possible.
Quoting IBM, "A FICON channel with CTC capability may behave as both a standard
FICON channel connecting to standard FICON I/O control units, as well as having
an internal CTC control unit function in support of CTC connections Neither
FICON channel must be dedicated exclusively to CTC operations."
If you have (for example) two machines connected to at least one common FICON
SAN switch/director then you're *probably* good to go from a physical point of
view, for some minimum level of service anyway. Sure, do due diligence in terms
of performance and such, but it seems like a better idea to me to leave these
machines physically unmolested if possible rather than try to hack something in
(that's withdrawn from marketing).
There was probably some point in "ancient history" when the various sharing
options weren't available, but I believe all FICON-equipped z/Architecture
machines have these various CTC-related sharing capabilities at least in some
fashion. SB10-7174 repeatedly refers to an engineering change (EC) that was
available at least as far back as the IBM
z900 from what I can tell.
- - - - - - - - - -
Timothy Sipples
I.T. Architect Executive
Digital Asset & Other Industry Solutions IBM Z & LinuxONE
- - - - - - - - - -
E-Mail: sipp...@sg.ibm.com
--
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The contents of this e-mail and any attachment(s) are confidential and intended
for the named recipient(s) only. E-mail transmission is not guaranteed to be
secure or error-free as information could be intercepted, corrupted, lost,
destroyed, arrive late or incomplete, or may contain viruses in transmission.
The e mail and its contents (with or without referred errors) shall therefore
not attach any liability on the originator or HCL or its affiliates. Views or
opinions, if any, presented in this email are solely those of the author and
may not necessarily reflect the views or opinions of HCL or its affiliates. Any
form of reproduction, dissemination, copying, disclosure, modification,
distribution and / or publication of this message without the prior written
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Re: Base SYSPLEX setup
I can speak from experience. GRS Ring performance sucks with even 2 LPARs compared to GRS STAR. -Original Message- From: IBM Mainframe Discussion List On Behalf Of Gibney, Dave Sent: Monday, June 1, 2020 11:41 PM To: IBM-MAIN@LISTSERV.UA.EDU Subject: Re: Base SYSPLEX setup [CAUTION: This Email is from outside the Organization. Unless you trust the sender, Don’t click links or open attachments as it may be a Phishing email, which can steal your Information and compromise your Computer.] I've never gone here. The impression I got from the folks on this list was that GRS ring performance was abysmal for more than 2 lpars. > -Original Message- > From: IBM Mainframe Discussion List On > Behalf Of Brian Westerman > Sent: Monday, June 01, 2020 9:37 PM > To: IBM-MAIN@LISTSERV.UA.EDU > Subject: Re: Base SYSPLEX setup > > It's all about the cost. Especially right now, there is just no money > to put into the box. If we knew for sure that the software CF would > only take 1MSU or less, then we would do it in a heartbeat, but it's a > base model z13s so there are only 13MSU's int he entire complex, > taking even one away is a big deal, but IBM will only guarantee that > it wouldn't take more than "a couple". We don't have a couple to give > up. Even just 2 is more than 15%. The goal is to install GRS (free) so that > we can drop MIM. > > On Mon, 1 Jun 2020 11:15:45 +0200, R.S. > wrote: > > >W dniu 01.06.2020 o 02:27, Brian Westerman pisze: > >> The box isn't maxed out, but it's pretty close. It's a base z13s > >> and no > money to upgrade it. The cards are a cheap way to get by (they are > under > $400 with $0 increase in maintenance costs), whereas the cost of a CF > is far greater. We can't use the software CF option (build a CF lpar > without a actual CF processor) because that would take us over the > tipping point and no budget to add any more MSU's to resolve it. > Maybe in a year or so, but for now that's not a viable option. > > > >OK, we know it's poor configuration. Old machine, small one. > >So, what is the reason for Sysplex? What goal to achieve? > >Sysplex takes some CPU, so for "pretty close to maxed out" CPC it is > >not very fine. > >IMHO it would be reasonable to consider purchase second hand CPC as > >standalone CF and some cards. Of course the question about the goal > >is still valid. > > > >-- > >Radoslaw Skorupka > >Lodz, Poland > > > > > > > > > > > >= > = > > > >Jeśli nie jesteś adresatem tej wiadomości: > > > >- powiadom nas o tym w mailu zwrotnym (dziękujemy!), > >- usuń trwale tę wiadomość (i wszystkie kopie, które wydrukowałeś lub > zapisałeś na dysku). > >Wiadomość ta może zawierać chronione prawem informacje, które może > wykorzystać tylko adresat.Przypominamy, że każdy, kto rozpowszechnia > (kopiuje, rozprowadza) tę wiadomość lub podejmuje podobne działania, > narusza prawo i może podlegać karze. > > > >mBank S.A. z siedzibą w Warszawie, ul. Senatorska 18, 00-950 > Warszawa,https://apc01.safelinks.protection.outlook.com/?url=https%3A% > 2F%2Furldefense.com%2Fv3%2F__http%3A%2F%2Fwww.mBank.pl__%3B!!JmPEgB > p;data=02%7C01%7Callan.staller%40HCL.COM%7C1a38cf5b250e4d7f61c308d806a > f2edc%7C189de737c93a4f5a8b686f4ca9941912%7C0%7C0%7C637266696772037397& > amp;sdata=yr2aYJyBefiAYug%2FJ3tnsJqEmuQpBxXWxRqozYK3FBg%3Dreserve > d=0 > Y0HMszNaDT!5eDRzqHriX-hLqA1YPn8U77EX7HJTbRFwCICRZfiI4Cez- > xkXnu6skRyQ7UZqQ$ , e-mail: kont...@mbank.pl. Sąd Rejonowy dla m. st. > Warszawy XII Wydział Gospodarczy Krajowego Rejestru Sądowego, KRS > 025237, NIP: 526-021-50-88. Kapitał zakładowy (opłacony w całości) > według stanu na 01.01.2020 r. wynosi 169.401.468 złotych. > > > >If you are not the addressee of this message: > > > >- let us know by replying to this e-mail (thank you!), > >- delete this message permanently (including all the copies which you > >have > printed out or saved). > >This message may contain legally protected information, which may be > >used > exclusively by the addressee.Please be reminded that anyone who > disseminates (copies, distributes) this message or takes any similar > action, violates the law and may be penalised. > > > >mBank S.A. with its registered office in Warsaw, ul. Senatorska 18, > >00-950 > Warszawa,https://apc01.safelinks.protection.outlook.com/?url=https%3A% > 2F%2Furldefense.com%2Fv3%2F__http%3A%2F%2Fwww.mBank.pl__%3B!!JmPEgB > p;data=02%7C01%7Callan.staller%40HCL.COM%7C1a38cf5b250e4d7f61c308d806a > f2edc%7C189de737c93a4f5a8b686f4ca9941912%7C0%7C0%7C
Re: Base SYSPLEX setup
KB, The question is about sysplex signalling by XCF. It is not about TCPIP networking. XCF does not use TCPIP protocols. SMC-D/R are for TCP networking HiperSockets is for IP networking Mike Wawiorko -Original Message- From: IBM Mainframe Discussion List On Behalf Of kekronbekron Sent: 02 June 2020 04:43 To: IBM-MAIN@LISTSERV.UA.EDU Subject: Re: Base SYSPLEX setup This mail originated from outside our organisation - 02dee3fcae33-dmarc-requ...@listserv.ua.edu Just curious .. why does it have to be FICON CTC, why can't it be SMC-D/R or HiperSockets or one of those ICA-SR (or whatever it's called) connectors IF 2 machines are involved. - KB This e-mail and any attachments are confidential and intended solely for the addressee and may also be privileged or exempt from disclosure under applicable law. If you are not the addressee, or have received this e-mail in error, please notify the sender immediately, delete it from your system and do not copy, disclose or otherwise act upon any part of this e-mail or its attachments. Internet communications are not guaranteed to be secure or virus-free. The Barclays Group does not accept responsibility for any loss arising from unauthorised access to, or interference with, any Internet communications by any third party, or from the transmission of any viruses. Replies to this e-mail may be monitored by the Barclays Group for operational or business reasons. Any opinion or other information in this e-mail or its attachments that does not relate to the business of the Barclays Group is personal to the sender and is not given or endorsed by the Barclays Group. Barclays Execution Services Limited provides support and administrative services across Barclays group. Barclays Execution Services Limited is an appointed representative of Barclays Bank UK plc, Barclays Bank plc and Clydesdale Financial Services Limited. Barclays Bank UK plc and Barclays Bank plc are authorised by the Prudential Regulation Authority and regulated by the Financial Conduct Authority and the Prudential Regulation Authority. Clydesdale Financial Services Limited is authorised and regulated by the Financial Conduct Authority. -- For IBM-MAIN subscribe / signoff / archive access instructions, send email to lists...@listserv.ua.edu with the message: INFO IBM-MAIN
Re: Base SYSPLEX setup
Good question. However better question is why LPARs withing single CPC cannot communicate via some emulated channel like ICP or IQD. The only reasonable answer is because IBM decided. Was the decision reasonable? That's another question. Fortunately for FICON CTC it is enough to use *one* channel connected do a switch. And the channel may be shared, that means may also serve another CUs. Assuming poor configuration and lack of budget, that could be a solution to use two (redundancy) existing FC chpids, attached to switch. Of course I would choose less busy channels. BTW: GRS ring is not for free. It will take CPU cycles. And it will introduce delays. The alternative for GRS ring is ...maybe no GRS between LPARs. Maybe workload can be consolidated on single LPAR or resources may be not shared. Or sharing may be reorganized. -- Radoslaw Skorupka Lodz, Poland W dniu 02.06.2020 o 05:42, kekronbekron pisze: Just curious .. why does it have to be FICON CTC, why can't it be SMC-D/R or HiperSockets or one of those ICA-SR (or whatever it's called) connectors IF 2 machines are involved. - KB ‐‐‐ Original Message ‐‐‐ On Monday, June 1, 2020 6:29 PM, Allan Staller wrote: See the manuals "Setting up a SYSPLEX" and "Merging Systems Into A SYSPLEX". Both can be found on the IBM zOS Library site. Some key items not available in a base sysplex: GRS START (use CTC for inter-image communication. VTAM Generic resources, VTAM MNPS RACF data sharing (RACF sysplex communications is available) Many others. All are described in Setting Up a SYSPLEX HTH, -Original Message- From: IBM Mainframe Discussion List IBM-MAIN@LISTSERV.UA.EDU On Behalf Of Brian Westerman Sent: Sunday, May 31, 2020 2:05 AM To: IBM-MAIN@LISTSERV.UA.EDU Subject: Base SYSPLEX setup [CAUTION: This Email is from outside the Organization. Unless you trust the sender, Don’t click links or open attachments as it may be a Phishing email, which can steal your Information and compromise your Computer.] Hi, I'm looking for information on how to set up a base SYSPLEX with only Ficon CTC's that seem to be referred to as XCF CTC's. I'm sure someone had done this before and is probably doing it now for Multiple LPARs that are running on the same processor CEC. Configuration help (parms etc.) would be greatly appreciated. I think all we need to do to connect the 3 existing LPARs is purchase 2 FICON cards (we currently have no extras). Unfortunately, the IBM docs seem to talk a lot about the full parallel sysplexes (with Coupling facilities), but we don't have them, and they seem to be a great deal more expensive than FICON cards which are all we need to implement GRS anyway (that's our goal). We can also apparently create a virtual CF, but the overhead appears to be far greater than we can spare. Any CXF CTC setup information would be greatly appreciated. Thanks Brian == Jeśli nie jesteś adresatem tej wiadomości: - powiadom nas o tym w mailu zwrotnym (dziękujemy!), - usuń trwale tę wiadomość (i wszystkie kopie, które wydrukowałeś lub zapisałeś na dysku). Wiadomość ta może zawierać chronione prawem informacje, które może wykorzystać tylko adresat.Przypominamy, że każdy, kto rozpowszechnia (kopiuje, rozprowadza) tę wiadomość lub podejmuje podobne działania, narusza prawo i może podlegać karze. mBank S.A. z siedzibą w Warszawie, ul. Senatorska 18, 00-950 Warszawa,www.mBank.pl, e-mail: kont...@mbank.pl. Sąd Rejonowy dla m. st. Warszawy XII Wydział Gospodarczy Krajowego Rejestru Sądowego, KRS 025237, NIP: 526-021-50-88. Kapitał zakładowy (opłacony w całości) według stanu na 01.01.2020 r. wynosi 169.401.468 złotych. If you are not the addressee of this message: - let us know by replying to this e-mail (thank you!), - delete this message permanently (including all the copies which you have printed out or saved). This message may contain legally protected information, which may be used exclusively by the addressee.Please be reminded that anyone who disseminates (copies, distributes) this message or takes any similar action, violates the law and may be penalised. mBank S.A. with its registered office in Warsaw, ul. Senatorska 18, 00-950 Warszawa,www.mBank.pl, e-mail: kont...@mbank.pl. District Court for the Capital City of Warsaw, 12th Commercial Division of the National Court Register, KRS 025237, NIP: 526-021-50-88. Fully paid-up share capital amounting to PLN 169.401.468 as at 1 January 2020. -- For IBM-MAIN subscribe / signoff / archive access instructions, send email to lists...@listserv.ua.edu with the message: INFO IBM-MAIN
Re: Base SYSPLEX setup
Brian,
1. If you haven't also looked at IBM Publication No. SB10-7174 yet, I'd
refer you to that one ("IBM Z FICON Channel-to-Channel Reference"). I
believe you've found SG24-5451 already.
2. You might not need additional FICON Express features at all. It depends
on how you're set up, but there's quite a bit of link sharing that's
possible. Quoting IBM, "A FICON channel with CTC capability may behave as
both a standard FICON channel connecting to standard FICON I/O control
units, as well as having an internal CTC control unit function in support
of CTC connections Neither FICON channel must be dedicated exclusively
to CTC operations."
If you have (for example) two machines connected to at least one common
FICON SAN switch/director then you're *probably* good to go from a
physical point of view, for some minimum level of service anyway. Sure, do
due diligence in terms of performance and such, but it seems like a better
idea to me to leave these machines physically unmolested if possible
rather than try to hack something in (that's withdrawn from marketing).
There was probably some point in "ancient history" when the various
sharing options weren't available, but I believe all FICON-equipped
z/Architecture machines have these various CTC-related sharing
capabilities at least in some fashion. SB10-7174 repeatedly refers to an
engineering change (EC) that was available at least as far back as the IBM
z900 from what I can tell.
- - - - - - - - - -
Timothy Sipples
I.T. Architect Executive
Digital Asset & Other Industry Solutions
IBM Z & LinuxONE
- - - - - - - - - -
E-Mail: sipp...@sg.ibm.com
--
For IBM-MAIN subscribe / signoff / archive access instructions,
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Re: Base SYSPLEX setup
Have you evaluated the CPU cost of GRS in a ring? -- Shmuel (Seymour J.) Metz http://mason.gmu.edu/~smetz3 From: IBM Mainframe Discussion List [IBM-MAIN@LISTSERV.UA.EDU] on behalf of Brian Westerman [brian_wester...@syzygyinc.com] Sent: Tuesday, June 2, 2020 12:36 AM To: IBM-MAIN@LISTSERV.UA.EDU Subject: Re: Base SYSPLEX setup It's all about the cost. Especially right now, there is just no money to put into the box. If we knew for sure that the software CF would only take 1MSU or less, then we would do it in a heartbeat, but it's a base model z13s so there are only 13MSU's int he entire complex, taking even one away is a big deal, but IBM will only guarantee that it wouldn't take more than "a couple". We don't have a couple to give up. Even just 2 is more than 15%. The goal is to install GRS (free) so that we can drop MIM. On Mon, 1 Jun 2020 11:15:45 +0200, R.S. wrote: >W dniu 01.06.2020 o 02:27, Brian Westerman pisze: >> The box isn't maxed out, but it's pretty close. It's a base z13s and no >> money to upgrade it. The cards are a cheap way to get by (they are under >> $400 with $0 increase in maintenance costs), whereas the cost of a CF is far >> greater. We can't use the software CF option (build a CF lpar without a >> actual CF processor) because that would take us over the tipping point and >> no budget to add any more MSU's to resolve it. Maybe in a year or so, but >> for now that's not a viable option. > >OK, we know it's poor configuration. Old machine, small one. >So, what is the reason for Sysplex? What goal to achieve? >Sysplex takes some CPU, so for "pretty close to maxed out" CPC it is not >very fine. >IMHO it would be reasonable to consider purchase second hand CPC as >standalone CF and some cards. Of course the question about the goal is >still valid. > >-- >Radoslaw Skorupka >Lodz, Poland > > > > > >== > >Jeśli nie jesteś adresatem tej wiadomości: > >- powiadom nas o tym w mailu zwrotnym (dziękujemy!), >- usuń trwale tę wiadomość (i wszystkie kopie, które wydrukowałeś lub >zapisałeś na dysku). >Wiadomość ta może zawierać chronione prawem informacje, które może wykorzystać >tylko adresat.Przypominamy, że każdy, kto rozpowszechnia (kopiuje, >rozprowadza) tę wiadomość lub podejmuje podobne działania, narusza prawo i >może podlegać karze. > >mBank S.A. z siedzibą w Warszawie, ul. Senatorska 18, 00-950 >Warszawa,http://secure-web.cisco.com/15OWiOdCm4GznBvnnKw6X3yZLqNv8pT-7PB_1iO3mWjo7Q8gm8PlAFUJrEGGliME5TZV5K5-LN_C8vilKWWfMXMA-9QrMl_l5rSOvdcmrQwRvL3BT8DDkbp3XbBUTycrssNKyAVpkg7DR5AsscwsdLKt9S7cOkzFUtOmJCmGI371F_jX7B6s_Bovb-Q6bzHHZl3L7CgCo-4FsI-1lUg7pJyJTCQTq7OZZw7xrWhibFcW-oHvmFhVOXuQt9qm7gbEsqHMO9cw2V0hEwrUXJ6tHoSYC5KTfQ6D0gSrMFUD6V_wVyVmQaCD9H0xU9rEHifqGBfERJKqh-cf3QMCyyIcA3tBCCFGb3XwosFst2gO2osp3yN1UZIhdEYz08HiGYiaIDtbQhCWQIoNots64UKPGGfCcbRyOWHmLO2bq9Dlg5_GwLnHUb4TLpdsugzD8l27x/http%3A%2F%2Fwww.mBank.pl, > e-mail: kont...@mbank.pl. Sąd Rejonowy dla m. st. Warszawy XII Wydział >Gospodarczy Krajowego Rejestru Sądowego, KRS 025237, NIP: 526-021-50-88. >Kapitał zakładowy (opłacony w całości) według stanu na 01.01.2020 r. wynosi >169.401.468 złotych. > >If you are not the addressee of this message: > >- let us know by replying to this e-mail (thank you!), >- delete this message permanently (including all the copies which you have >printed out or saved). >This message may contain legally protected information, which may be used >exclusively by the addressee.Please be reminded that anyone who disseminates >(copies, distributes) this message or takes any similar action, violates the >law and may be penalised. > >mBank S.A. with its registered office in Warsaw, ul. Senatorska 18, 00-950 >Warszawa,http://secure-web.cisco.com/15OWiOdCm4GznBvnnKw6X3yZLqNv8pT-7PB_1iO3mWjo7Q8gm8PlAFUJrEGGliME5TZV5K5-LN_C8vilKWWfMXMA-9QrMl_l5rSOvdcmrQwRvL3BT8DDkbp3XbBUTycrssNKyAVpkg7DR5AsscwsdLKt9S7cOkzFUtOmJCmGI371F_jX7B6s_Bovb-Q6bzHHZl3L7CgCo-4FsI-1lUg7pJyJTCQTq7OZZw7xrWhibFcW-oHvmFhVOXuQt9qm7gbEsqHMO9cw2V0hEwrUXJ6tHoSYC5KTfQ6D0gSrMFUD6V_wVyVmQaCD9H0xU9rEHifqGBfERJKqh-cf3QMCyyIcA3tBCCFGb3XwosFst2gO2osp3yN1UZIhdEYz08HiGYiaIDtbQhCWQIoNots64UKPGGfCcbRyOWHmLO2bq9Dlg5_GwLnHUb4TLpdsugzD8l27x/http%3A%2F%2Fwww.mBank.pl, > e-mail: kont...@mbank.pl. District Court for the Capital City of Warsaw, 12th >Commercial Division of the National Court Register, KRS 025237, NIP: >526-021-50-88. Fully paid-up share capital amounting to PLN 169.401.468 as at >1 January 2020. > >-- >For IBM-MAIN subscribe / signoff / archive access instructions, >send email to lists...@listserv.ua.edu
Re: Base SYSPLEX setup
I've never gone here. The impression I got from the folks on this list was that GRS ring performance was abysmal for more than 2 lpars. > -Original Message- > From: IBM Mainframe Discussion List On > Behalf Of Brian Westerman > Sent: Monday, June 01, 2020 9:37 PM > To: IBM-MAIN@LISTSERV.UA.EDU > Subject: Re: Base SYSPLEX setup > > It's all about the cost. Especially right now, there is just no money to put > into > the box. If we knew for sure that the software CF would only take 1MSU or > less, then we would do it in a heartbeat, but it's a base model z13s so there > are only 13MSU's int he entire complex, taking even one away is a big deal, > but IBM will only guarantee that it wouldn't take more than "a couple". We > don't have a couple to give up. Even just 2 is more than 15%. The goal is to > install GRS (free) so that we can drop MIM. > > On Mon, 1 Jun 2020 11:15:45 +0200, R.S. > wrote: > > >W dniu 01.06.2020 o 02:27, Brian Westerman pisze: > >> The box isn't maxed out, but it's pretty close. It's a base z13s and no > money to upgrade it. The cards are a cheap way to get by (they are under > $400 with $0 increase in maintenance costs), whereas the cost of a CF is far > greater. We can't use the software CF option (build a CF lpar without a > actual > CF processor) because that would take us over the tipping point and no > budget to add any more MSU's to resolve it. Maybe in a year or so, but for > now that's not a viable option. > > > >OK, we know it's poor configuration. Old machine, small one. > >So, what is the reason for Sysplex? What goal to achieve? > >Sysplex takes some CPU, so for "pretty close to maxed out" CPC it is > >not very fine. > >IMHO it would be reasonable to consider purchase second hand CPC as > >standalone CF and some cards. Of course the question about the goal is > >still valid. > > > >-- > >Radoslaw Skorupka > >Lodz, Poland > > > > > > > > > > > >= > = > > > >Jeśli nie jesteś adresatem tej wiadomości: > > > >- powiadom nas o tym w mailu zwrotnym (dziękujemy!), > >- usuń trwale tę wiadomość (i wszystkie kopie, które wydrukowałeś lub > zapisałeś na dysku). > >Wiadomość ta może zawierać chronione prawem informacje, które może > wykorzystać tylko adresat.Przypominamy, że każdy, kto rozpowszechnia > (kopiuje, rozprowadza) tę wiadomość lub podejmuje podobne działania, > narusza prawo i może podlegać karze. > > > >mBank S.A. z siedzibą w Warszawie, ul. Senatorska 18, 00-950 > Warszawa,https://urldefense.com/v3/__http://www.mBank.pl__;!!JmPEgB > Y0HMszNaDT!5eDRzqHriX-hLqA1YPn8U77EX7HJTbRFwCICRZfiI4Cez- > xkXnu6skRyQ7UZqQ$ , e-mail: kont...@mbank.pl. Sąd Rejonowy dla m. st. > Warszawy XII Wydział Gospodarczy Krajowego Rejestru Sądowego, KRS > 025237, NIP: 526-021-50-88. Kapitał zakładowy (opłacony w całości) > według stanu na 01.01.2020 r. wynosi 169.401.468 złotych. > > > >If you are not the addressee of this message: > > > >- let us know by replying to this e-mail (thank you!), > >- delete this message permanently (including all the copies which you have > printed out or saved). > >This message may contain legally protected information, which may be used > exclusively by the addressee.Please be reminded that anyone who > disseminates (copies, distributes) this message or takes any similar action, > violates the law and may be penalised. > > > >mBank S.A. with its registered office in Warsaw, ul. Senatorska 18, 00-950 > Warszawa,https://urldefense.com/v3/__http://www.mBank.pl__;!!JmPEgB > Y0HMszNaDT!5eDRzqHriX-hLqA1YPn8U77EX7HJTbRFwCICRZfiI4Cez- > xkXnu6skRyQ7UZqQ$ , e-mail: kont...@mbank.pl. District Court for the > Capital City of Warsaw, 12th Commercial Division of the National Court > Register, KRS 025237, NIP: 526-021-50-88. Fully paid-up share capital > amounting to PLN 169.401.468 as at 1 January 2020. > > > >-- > >For IBM-MAIN subscribe / signoff / archive access instructions, send > >email to lists...@listserv.ua.edu with the message: INFO IBM-MAIN > > -- > For IBM-MAIN subscribe / signoff / archive access instructions, send email to > lists...@listserv.ua.edu with the message: INFO IBM-MAIN -- For IBM-MAIN subscribe / signoff / archive access instructions, send email to lists...@listserv.ua.edu with the message: INFO IBM-MAIN
Re: Base SYSPLEX setup
I didn't know that any of those are an option for using as a GRS vehicle. Are they? We only have one machine (3 LPARs) so no inter CEC connections are required. On Tue, 2 Jun 2020 03:42:49 +, kekronbekron wrote: >Just curious .. why does it have to be FICON CTC, why can't it be SMC-D/R or >HiperSockets or one of those ICA-SR (or whatever it's called) connectors IF 2 >machines are involved. > > >- KB > >‐‐‐ Original Message ‐‐‐ >On Monday, June 1, 2020 6:29 PM, Allan Staller wrote: > >> See the manuals "Setting up a SYSPLEX" and "Merging Systems Into A SYSPLEX". >> Both can be found on the IBM zOS Library site. >> Some key items not available in a base sysplex: >> >> GRS START (use CTC for inter-image communication. >> VTAM Generic resources, VTAM MNPS >> RACF data sharing (RACF sysplex communications is available) >> Many others. All are described in Setting Up a SYSPLEX >> >> HTH, >> -Original Message- >> From: IBM Mainframe Discussion List IBM-MAIN@LISTSERV.UA.EDU On Behalf Of >> Brian Westerman >> >> Sent: Sunday, May 31, 2020 2:05 AM >> To: IBM-MAIN@LISTSERV.UA.EDU >> Subject: Base SYSPLEX setup >> >> [CAUTION: This Email is from outside the Organization. Unless you trust the >> sender, Don’t click links or open attachments as it may be a Phishing email, >> which can steal your Information and compromise your Computer.] >> >> Hi, >> >> I'm looking for information on how to set up a base SYSPLEX with only Ficon >> CTC's that seem to be referred to as XCF CTC's. >> >> I'm sure someone had done this before and is probably doing it now for >> Multiple LPARs that are running on the same processor CEC. Configuration >> help (parms etc.) would be greatly appreciated. I think all we need to do to >> connect the 3 existing LPARs is purchase 2 FICON cards (we currently have no >> extras). Unfortunately, the IBM docs seem to talk a lot about the full >> parallel sysplexes (with Coupling facilities), but we don't have them, and >> they seem to be a great deal more expensive than FICON cards which are all >> we need to implement GRS anyway (that's our goal). We can also apparently >> create a virtual CF, but the overhead appears to be far greater than we can >> spare. >> >> Any CXF CTC setup information would be greatly appreciated. >> >> Thanks >> >> Brian >> >> - >> >> For IBM-MAIN subscribe / signoff / archive access instructions, send email >> to lists...@listserv.ua.edu with the message: INFO IBM-MAIN >> ::DISCLAIMER:: >> >> The contents of this e-mail and any attachment(s) are confidential and >> intended for the named recipient(s) only. E-mail transmission is not >> guaranteed to be secure or error-free as information could be intercepted, >> corrupted, lost, destroyed, arrive late or incomplete, or may contain >> viruses in transmission. The e mail and its contents (with or without >> referred errors) shall therefore not attach any liability on the originator >> or HCL or its affiliates. Views or opinions, if any, presented in this email >> are solely those of the author and may not necessarily reflect the views or >> opinions of HCL or its affiliates. Any form of reproduction, dissemination, >> copying, disclosure, modification, distribution and / or publication of this >> message without the prior written con
Re: Base SYSPLEX setup
It's all about the cost. Especially right now, there is just no money to put into the box. If we knew for sure that the software CF would only take 1MSU or less, then we would do it in a heartbeat, but it's a base model z13s so there are only 13MSU's int he entire complex, taking even one away is a big deal, but IBM will only guarantee that it wouldn't take more than "a couple". We don't have a couple to give up. Even just 2 is more than 15%. The goal is to install GRS (free) so that we can drop MIM. On Mon, 1 Jun 2020 11:15:45 +0200, R.S. wrote: >W dniu 01.06.2020 o 02:27, Brian Westerman pisze: >> The box isn't maxed out, but it's pretty close. It's a base z13s and no >> money to upgrade it. The cards are a cheap way to get by (they are under >> $400 with $0 increase in maintenance costs), whereas the cost of a CF is far >> greater. We can't use the software CF option (build a CF lpar without a >> actual CF processor) because that would take us over the tipping point and >> no budget to add any more MSU's to resolve it. Maybe in a year or so, but >> for now that's not a viable option. > >OK, we know it's poor configuration. Old machine, small one. >So, what is the reason for Sysplex? What goal to achieve? >Sysplex takes some CPU, so for "pretty close to maxed out" CPC it is not >very fine. >IMHO it would be reasonable to consider purchase second hand CPC as >standalone CF and some cards. Of course the question about the goal is >still valid. > >-- >Radoslaw Skorupka >Lodz, Poland > > > > > >== > >Jeśli nie jesteś adresatem tej wiadomości: > >- powiadom nas o tym w mailu zwrotnym (dziękujemy!), >- usuń trwale tę wiadomość (i wszystkie kopie, które wydrukowałeś lub >zapisałeś na dysku). >Wiadomość ta może zawierać chronione prawem informacje, które może wykorzystać >tylko adresat.Przypominamy, że każdy, kto rozpowszechnia (kopiuje, >rozprowadza) tę wiadomość lub podejmuje podobne działania, narusza prawo i >może podlegać karze. > >mBank S.A. z siedzibą w Warszawie, ul. Senatorska 18, 00-950 >Warszawa,www.mBank.pl, e-mail: kont...@mbank.pl. Sąd Rejonowy dla m. st. >Warszawy XII Wydział Gospodarczy Krajowego Rejestru Sądowego, KRS 025237, >NIP: 526-021-50-88. Kapitał zakładowy (opłacony w całości) według stanu na >01.01.2020 r. wynosi 169.401.468 złotych. > >If you are not the addressee of this message: > >- let us know by replying to this e-mail (thank you!), >- delete this message permanently (including all the copies which you have >printed out or saved). >This message may contain legally protected information, which may be used >exclusively by the addressee.Please be reminded that anyone who disseminates >(copies, distributes) this message or takes any similar action, violates the >law and may be penalised. > >mBank S.A. with its registered office in Warsaw, ul. Senatorska 18, 00-950 >Warszawa,www.mBank.pl, e-mail: kont...@mbank.pl. District Court for the >Capital City of Warsaw, 12th Commercial Division of the National Court >Register, KRS 025237, NIP: 526-021-50-88. Fully paid-up share capital >amounting to PLN 169.401.468 as at 1 January 2020. > >-- >For IBM-MAIN subscribe / signoff / archive access instructions, >send email to lists...@listserv.ua.edu with the message: INFO IBM-MAIN -- For IBM-MAIN subscribe / signoff / archive access instructions, send email to lists...@listserv.ua.edu with the message: INFO IBM-MAIN
Re: Base SYSPLEX setup
Just curious .. why does it have to be FICON CTC, why can't it be SMC-D/R or HiperSockets or one of those ICA-SR (or whatever it's called) connectors IF 2 machines are involved. - KB ‐‐‐ Original Message ‐‐‐ On Monday, June 1, 2020 6:29 PM, Allan Staller wrote: > See the manuals "Setting up a SYSPLEX" and "Merging Systems Into A SYSPLEX". > Both can be found on the IBM zOS Library site. > Some key items not available in a base sysplex: > > GRS START (use CTC for inter-image communication. > VTAM Generic resources, VTAM MNPS > RACF data sharing (RACF sysplex communications is available) > Many others. All are described in Setting Up a SYSPLEX > > HTH, > -Original Message- > From: IBM Mainframe Discussion List IBM-MAIN@LISTSERV.UA.EDU On Behalf Of > Brian Westerman > > Sent: Sunday, May 31, 2020 2:05 AM > To: IBM-MAIN@LISTSERV.UA.EDU > Subject: Base SYSPLEX setup > > [CAUTION: This Email is from outside the Organization. Unless you trust the > sender, Don’t click links or open attachments as it may be a Phishing email, > which can steal your Information and compromise your Computer.] > > Hi, > > I'm looking for information on how to set up a base SYSPLEX with only Ficon > CTC's that seem to be referred to as XCF CTC's. > > I'm sure someone had done this before and is probably doing it now for > Multiple LPARs that are running on the same processor CEC. Configuration help > (parms etc.) would be greatly appreciated. I think all we need to do to > connect the 3 existing LPARs is purchase 2 FICON cards (we currently have no > extras). Unfortunately, the IBM docs seem to talk a lot about the full > parallel sysplexes (with Coupling facilities), but we don't have them, and > they seem to be a great deal more expensive than FICON cards which are all we > need to implement GRS anyway (that's our goal). We can also apparently create > a virtual CF, but the overhead appears to be far greater than we can spare. > > Any CXF CTC setup information would be greatly appreciated. > > Thanks > > Brian > > - > > For IBM-MAIN subscribe / signoff / archive access instructions, send email to > lists...@listserv.ua.edu with the message: INFO IBM-MAIN > ::DISCLAIMER:: > > The contents of this e-mail and any attachment(s) are confidential and > intended for the named recipient(s) only. E-mail transmission is not > guaranteed to be secure or error-free as information could be intercepted, > corrupted, lost, destroyed, arrive late or incomplete, or may contain viruses > in transmission. The e mail and its contents (with or without referred > errors) shall therefore not attach any liability on the originator or HCL or > its affiliates. Views or opinions, if any, presented in this email are solely > those of the author and may not necessarily reflect the views or opinions of > HCL or its affiliates. Any form of reproduction, dissemination, copying, > disclosure, modification, distribution and / or publication of this message > without the prior written consent of authorized representative of HCL is > strictly prohibited. If you have received this email in error please delete > it and notify the sender immediately. Before opening any email and/or > attachments, please check them for viruses and other defects. > > -- > > For IBM-MAIN subscribe / signoff / archive access instructions, > send email to lists...@listserv.ua.edu with the message: INFO IBM-MAIN -- For IBM-MAIN subscribe / signoff / archive access instructions, send email to lists...@listserv.ua.edu with the message: INFO IBM-MAIN
Re: Base SYSPLEX setup
See the manuals "Setting up a SYSPLEX" and "Merging Systems Into A SYSPLEX". Both can be found on the IBM zOS Library site. Some key items not available in a base sysplex: GRS START (use CTC for inter-image communication. VTAM Generic resources, VTAM MNPS RACF data sharing (RACF sysplex communications is available) Many others. All are described in Setting Up a SYSPLEX HTH, -Original Message- From: IBM Mainframe Discussion List On Behalf Of Brian Westerman Sent: Sunday, May 31, 2020 2:05 AM To: IBM-MAIN@LISTSERV.UA.EDU Subject: Base SYSPLEX setup [CAUTION: This Email is from outside the Organization. Unless you trust the sender, Don’t click links or open attachments as it may be a Phishing email, which can steal your Information and compromise your Computer.] Hi, I'm looking for information on how to set up a base SYSPLEX with only Ficon CTC's that seem to be referred to as XCF CTC's. I'm sure someone had done this before and is probably doing it now for Multiple LPARs that are running on the same processor CEC. Configuration help (parms etc.) would be greatly appreciated. I think all we need to do to connect the 3 existing LPARs is purchase 2 FICON cards (we currently have no extras). Unfortunately, the IBM docs seem to talk a lot about the full parallel sysplexes (with Coupling facilities), but we don't have them, and they seem to be a great deal more expensive than FICON cards which are all we need to implement GRS anyway (that's our goal). We can also apparently create a virtual CF, but the overhead appears to be far greater than we can spare. Any CXF CTC setup information would be greatly appreciated. Thanks Brian -- For IBM-MAIN subscribe / signoff / archive access instructions, send email to lists...@listserv.ua.edu with the message: INFO IBM-MAIN ::DISCLAIMER:: The contents of this e-mail and any attachment(s) are confidential and intended for the named recipient(s) only. E-mail transmission is not guaranteed to be secure or error-free as information could be intercepted, corrupted, lost, destroyed, arrive late or incomplete, or may contain viruses in transmission. The e mail and its contents (with or without referred errors) shall therefore not attach any liability on the originator or HCL or its affiliates. Views or opinions, if any, presented in this email are solely those of the author and may not necessarily reflect the views or opinions of HCL or its affiliates. Any form of reproduction, dissemination, copying, disclosure, modification, distribution and / or publication of this message without the prior written consent of authorized representative of HCL is strictly prohibited. If you have received this email in error please delete it and notify the sender immediately. Before opening any email and/or attachments, please check them for viruses and other defects. -- For IBM-MAIN subscribe / signoff / archive access instructions, send email to lists...@listserv.ua.edu with the message: INFO IBM-MAIN
Re: Base SYSPLEX setup
W dniu 01.06.2020 o 02:27, Brian Westerman pisze: The box isn't maxed out, but it's pretty close. It's a base z13s and no money to upgrade it. The cards are a cheap way to get by (they are under $400 with $0 increase in maintenance costs), whereas the cost of a CF is far greater. We can't use the software CF option (build a CF lpar without a actual CF processor) because that would take us over the tipping point and no budget to add any more MSU's to resolve it. Maybe in a year or so, but for now that's not a viable option. OK, we know it's poor configuration. Old machine, small one. So, what is the reason for Sysplex? What goal to achieve? Sysplex takes some CPU, so for "pretty close to maxed out" CPC it is not very fine. IMHO it would be reasonable to consider purchase second hand CPC as standalone CF and some cards. Of course the question about the goal is still valid. -- Radoslaw Skorupka Lodz, Poland == Jeśli nie jesteś adresatem tej wiadomości: - powiadom nas o tym w mailu zwrotnym (dziękujemy!), - usuń trwale tę wiadomość (i wszystkie kopie, które wydrukowałeś lub zapisałeś na dysku). Wiadomość ta może zawierać chronione prawem informacje, które może wykorzystać tylko adresat.Przypominamy, że każdy, kto rozpowszechnia (kopiuje, rozprowadza) tę wiadomość lub podejmuje podobne działania, narusza prawo i może podlegać karze. mBank S.A. z siedzibą w Warszawie, ul. Senatorska 18, 00-950 Warszawa,www.mBank.pl, e-mail: kont...@mbank.pl. Sąd Rejonowy dla m. st. Warszawy XII Wydział Gospodarczy Krajowego Rejestru Sądowego, KRS 025237, NIP: 526-021-50-88. Kapitał zakładowy (opłacony w całości) według stanu na 01.01.2020 r. wynosi 169.401.468 złotych. If you are not the addressee of this message: - let us know by replying to this e-mail (thank you!), - delete this message permanently (including all the copies which you have printed out or saved). This message may contain legally protected information, which may be used exclusively by the addressee.Please be reminded that anyone who disseminates (copies, distributes) this message or takes any similar action, violates the law and may be penalised. mBank S.A. with its registered office in Warsaw, ul. Senatorska 18, 00-950 Warszawa,www.mBank.pl, e-mail: kont...@mbank.pl. District Court for the Capital City of Warsaw, 12th Commercial Division of the National Court Register, KRS 025237, NIP: 526-021-50-88. Fully paid-up share capital amounting to PLN 169.401.468 as at 1 January 2020. -- For IBM-MAIN subscribe / signoff / archive access instructions, send email to lists...@listserv.ua.edu with the message: INFO IBM-MAIN
Re: Base SYSPLEX setup
The box isn't maxed out, but it's pretty close. It's a base z13s and no money to upgrade it. The cards are a cheap way to get by (they are under $400 with $0 increase in maintenance costs), whereas the cost of a CF is far greater. We can't use the software CF option (build a CF lpar without a actual CF processor) because that would take us over the tipping point and no budget to add any more MSU's to resolve it. Maybe in a year or so, but for now that's not a viable option. Brian -- For IBM-MAIN subscribe / signoff / archive access instructions, send email to lists...@listserv.ua.edu with the message: INFO IBM-MAIN
Re: Base SYSPLEX setup
A coupling facility using a share CP processor only needs a few percent of the processor dedicated. If you are maxed out on CPU and can't tolerate a slight slowdown at peak times, then one step up to the next MSU setting should be enough. On Sun, May 31, 2020 at 7:05 AM Brian Westerman wrote: > > Hi, > > I'm looking for information on how to set up a base SYSPLEX with only Ficon > CTC's that seem to be referred to as XCF CTC's. > > I'm sure someone had done this before and is probably doing it now for > Multiple LPARs that are running on the same processor CEC. Configuration > help (parms etc.) would be greatly appreciated. I think all we need to do to > connect the 3 existing LPARs is purchase 2 FICON cards (we currently have no > extras). Unfortunately, the IBM docs seem to talk a lot about the full > parallel sysplexes (with Coupling facilities), but we don't have them, and > they seem to be a great deal more expensive than FICON cards which are all we > need to implement GRS anyway (that's our goal). We can also apparently > create a virtual CF, but the overhead appears to be far greater than we can > spare. > > Any CXF CTC setup information would be greatly appreciated. > > Thanks > > Brian > > -- > For IBM-MAIN subscribe / signoff / archive access instructions, > send email to lists...@listserv.ua.edu with the message: INFO IBM-MAIN -- Mike A Schwab, Springfield IL USA Where do Forest Rangers go to get away from it all? -- For IBM-MAIN subscribe / signoff / archive access instructions, send email to lists...@listserv.ua.edu with the message: INFO IBM-MAIN
Re: Base SYSPLEX setup [EXTERNAL]
Brian, you really don't need more FICON cards then 2 to support CTC connections between lpars. It all comes down to how much redundancy you want. We support connections between 11 lpars on one CEC with just 2 cards. We use one card as what we call the primary connection and one card we call the alternate connection. The idea is to isolate the pairs to a single card incase of a failure. This was only those pairs are affected and the other pair is still functioning. There is a difference in setting up the CTCs definitions depending on if you are using a set of FICON switches or not. Most examples you see show FICON switches. We found out the hard way when we converted off of FICON switches you need to code a serial number in the control unit definition to make the connection work properly. When you get XCF working across the CTCs then software like GRS will use XCF for its communications. If you don't get XCF working then you have to code stuff to tell GRS how to communicate between lpars. You need to look at other software as well. I believe some things like CICS will see that XCF is running and it might try to create a XCF group on the fly for communications. Thanks.. Paul Feller GTS Mainframe Technical Support -Original Message- From: IBM Mainframe Discussion List On Behalf Of Gadi Ben-Avi Sent: Sunday, May 31, 2020 2:18 AM To: IBM-MAIN@LISTSERV.UA.EDU Subject: Re: Base SYSPLEX setup [EXTERNAL] Hi Brian, When building a sysplex using CTC's, each LPAR mist have connectivity to all of the other LPARS. If you have more than two LPARS, it gets complicated very fast. I've always had to get help from IBM for defining the CTC's in HCD. Once you have to connectivity defined, the rest is fairly easy. It's all in the 'Setting up a sysplex' Manual. You have to setup COUPLExx members in parmlib. Here you define the devices that are used for communication. Once that is done and all of the systems are in the sysplex, GRS knows it (I think) and can be defined and used. IF you have two LPARS, then two ficon cards are enough for two sets of communication paths. If you have three LPARS, then you will need 3 Ficon cards If you have four LPARS, then you will need 6 ficons cards This assumes that you have two paths between LPARs to avoid a single point of failure. The IOCP definitions also get complicated the more LPARs you have. Maybe getting an ICP (A dedicated CPU for the coupling facility) and more memory, will not be as expensive as you thing, and will be a lot simpler. Gadi -Original Message- From: IBM Mainframe Discussion List On Behalf Of Brian Westerman Sent: Sunday, May 31, 2020 10:05 AM To: IBM-MAIN@LISTSERV.UA.EDU Subject: Base SYSPLEX setup Hi, I'm looking for information on how to set up a base SYSPLEX with only Ficon CTC's that seem to be referred to as XCF CTC's. I'm sure someone had done this before and is probably doing it now for Multiple LPARs that are running on the same processor CEC. Configuration help (parms etc.) would be greatly appreciated. I think all we need to do to connect the 3 existing LPARs is purchase 2 FICON cards (we currently have no extras). Unfortunately, the IBM docs seem to talk a lot about the full parallel sysplexes (with Coupling facilities), but we don't have them, and they seem to be a great deal more expensive than FICON cards which are all we need to implement GRS anyway (that's our goal). We can also apparently create a virtual CF, but the overhead appears to be far greater than we can spare. Any CXF CTC setup information would be greatly appreciated. Thanks Brian -- For IBM-MAIN subscribe / signoff / archive access instructions, send email to lists...@listserv.ua.edu with the message: INFO IBM-MAIN Email secured by Check Point -- For IBM-MAIN subscribe / signoff / archive access instructions, send email to lists...@listserv.ua.edu with the message: INFO IBM-MAIN -- Please note: This message originated outside your organization. Please use caution when opening links or attachments. -- For IBM-MAIN subscribe / signoff / archive access instructions, send email to lists...@listserv.ua.edu with the message: INFO IBM-MAIN
Re: Base SYSPLEX setup
Hi Brian, When building a sysplex using CTC's, each LPAR mist have connectivity to all of the other LPARS. If you have more than two LPARS, it gets complicated very fast. I've always had to get help from IBM for defining the CTC's in HCD. Once you have to connectivity defined, the rest is fairly easy. It's all in the 'Setting up a sysplex' Manual. You have to setup COUPLExx members in parmlib. Here you define the devices that are used for communication. Once that is done and all of the systems are in the sysplex, GRS knows it (I think) and can be defined and used. IF you have two LPARS, then two ficon cards are enough for two sets of communication paths. If you have three LPARS, then you will need 3 Ficon cards If you have four LPARS, then you will need 6 ficons cards This assumes that you have two paths between LPARs to avoid a single point of failure. The IOCP definitions also get complicated the more LPARs you have. Maybe getting an ICP (A dedicated CPU for the coupling facility) and more memory, will not be as expensive as you thing, and will be a lot simpler. Gadi -Original Message- From: IBM Mainframe Discussion List On Behalf Of Brian Westerman Sent: Sunday, May 31, 2020 10:05 AM To: IBM-MAIN@LISTSERV.UA.EDU Subject: Base SYSPLEX setup Hi, I'm looking for information on how to set up a base SYSPLEX with only Ficon CTC's that seem to be referred to as XCF CTC's. I'm sure someone had done this before and is probably doing it now for Multiple LPARs that are running on the same processor CEC. Configuration help (parms etc.) would be greatly appreciated. I think all we need to do to connect the 3 existing LPARs is purchase 2 FICON cards (we currently have no extras). Unfortunately, the IBM docs seem to talk a lot about the full parallel sysplexes (with Coupling facilities), but we don't have them, and they seem to be a great deal more expensive than FICON cards which are all we need to implement GRS anyway (that's our goal). We can also apparently create a virtual CF, but the overhead appears to be far greater than we can spare. Any CXF CTC setup information would be greatly appreciated. Thanks Brian -- For IBM-MAIN subscribe / signoff / archive access instructions, send email to lists...@listserv.ua.edu with the message: INFO IBM-MAIN Email secured by Check Point -- For IBM-MAIN subscribe / signoff / archive access instructions, send email to lists...@listserv.ua.edu with the message: INFO IBM-MAIN
Base SYSPLEX setup
Hi, I'm looking for information on how to set up a base SYSPLEX with only Ficon CTC's that seem to be referred to as XCF CTC's. I'm sure someone had done this before and is probably doing it now for Multiple LPARs that are running on the same processor CEC. Configuration help (parms etc.) would be greatly appreciated. I think all we need to do to connect the 3 existing LPARs is purchase 2 FICON cards (we currently have no extras). Unfortunately, the IBM docs seem to talk a lot about the full parallel sysplexes (with Coupling facilities), but we don't have them, and they seem to be a great deal more expensive than FICON cards which are all we need to implement GRS anyway (that's our goal). We can also apparently create a virtual CF, but the overhead appears to be far greater than we can spare. Any CXF CTC setup information would be greatly appreciated. Thanks Brian -- For IBM-MAIN subscribe / signoff / archive access instructions, send email to lists...@listserv.ua.edu with the message: INFO IBM-MAIN
