No, you can run the CF code in an LPAR on the same CEC. The performance will depend on what resources you give it.
-- Shmuel (Seymour J.) Metz http://mason.gmu.edu/~smetz3 עַם יִשְׂרָאֵל חַי נֵ֣צַח יִשְׂרָאֵ֔ל לֹ֥א יְשַׁקֵּ֖ר ________________________________________ From: IBM Mainframe Discussion List <[email protected]> on behalf of MANCINI Frédéric (80) <[email protected]> Sent: Thursday, June 20, 2024 10:03 AM To: [email protected] Subject: Re: GRS in MONOPLEX without physical CTCs ? Several lpars, each configured as a MONOPLEX, with GRS=NONE, will use the software. I understand that we would need either physical CTCs or a "coupling facility lock structure". Does this have to be a separate physical component ? ------------------------------------------------------------------------ *De :* Paul Feller [mailto:[email protected]] *Envoyé :* jeudi 20 juin 2024 à 15:42 *Pour :* [email protected] *Objet :* GRS in MONOPLEX without physical CTCs ? > I pasted below information from the “MVS Planning: Global Resource > Serialization” manual for z/OS 2.5. So based on what the manual says you > need to have CTCs that GRS will manage. Just out of curiosity is there going > to be more then one lpar using this software? > > > How global resource serialization works. > Depending on the level of z/OS and XCF environment the systems are running > in, sysplex or non-sysplex, a global resource serialization complex consists > of one or more systems: > > • Connected to each other in a ring configuration through: > – XCF signaling paths, through CTC or coupling facility > – Global resource serialization managed channel-to-channel (CTC) adapter > - Systems in the same sysplex must use XCF signaling > - Non-sysplex or monplex systems must use GRS-managed CTCs to communicate > > • Connected to each other in a star configuration through: > – XCF signaling paths, through CTC or coupling facility > – A GRS coupling facility lock structure > > > Paul > > -----Original Message----- > From: IBM Mainframe Discussion List <[email protected]> On Behalf Of > Mark Jacobs > Sent: Thursday, June 20, 2024 8:06 AM > To: [email protected] > Subject: Re: GRS in MONOPLEX without physical CTCs ? > > Being in a monoplex I assume no. > > Mark Jacobs > > Sent from ProtonMail, Swiss-based encrypted email. > > GPG Public Key - > https://api.protonmail.ch/pks/lookup?op=get&[email protected] > > > On Thursday, June 20th, 2024 at 9:04 AM, Seymour J Metz <[email protected]> > wrote: > >> Do you have a CF LPAR? >> >> -- >> Shmuel (Seymour J.) Metz >> http://mason.gmu.edu/~smetz3 >> עַם יִשְׂרָאֵל חַי >> נֵ֣צַח יִשְׂרָאֵ֔ל לֹ֥א יְשַׁקֵּ֖ר >> >> ________________________________________ >> From: IBM Mainframe Discussion List [email protected] on behalf >> of MANCINI Frédéric (80) [email protected] >> >> Sent: Thursday, June 20, 2024 8:29 AM >> To: [email protected] >> Subject: GRS in MONOPLEX without physical CTCs ? >> >> Hello, >> >> We recently acquired TACM (Tivoli Adanced Catalog Management). >> >> To use its "MERGECAT WHILE-OPEN" functionality, we would have to >> properly configure GRS (we presently have GRS=NONE in IEASYSxx). >> >> I set GRS=START and GRSRNL=00 in IEASYSxx, but when I IPL the system I >> get the following message : >> >> ISG157D SYSTEM IN MONOPLEX MODE WITH NO GRS CTC DEFINITIONS. RELOAD >> THE SYSTEM OR REPLY NONE TO CONTINUE THE IPL. >> >> Is it possible to configure GRS on a MONOPLEX without physical CTCs ? >> >> Regards, >> >> Frederic Mancini >> >> ---------------------------------------------------------------------- >> For IBM-MAIN subscribe / signoff / archive access instructions, send >> email to [email protected] with the message: INFO IBM-MAIN >> >> >> ---------------------------------------------------------------------- >> For IBM-MAIN subscribe / signoff / archive access instructions, send >> email to [email protected] with the message: INFO IBM-MAIN > ---------------------------------------------------------------------- > For IBM-MAIN subscribe / signoff / archive access instructions, send email to > [email protected] with the message: INFO IBM-MAIN > > ---------------------------------------------------------------------- > For IBM-MAIN subscribe / signoff / archive access instructions, > send email to [email protected] with the message: INFO IBM-MAIN ---------------------------------------------------------------------- For IBM-MAIN subscribe / signoff / archive access instructions, send email to [email protected] with the message: INFO IBM-MAIN ---------------------------------------------------------------------- For IBM-MAIN subscribe / signoff / archive access instructions, send email to [email protected] with the message: INFO IBM-MAIN
