Installing Websphere performance concerns

performance wise appreciated too! Thanks. David Kreuter

Xwindows performance on zvm

it seems to happen displaying a file for the first time. Subsequent xwindows display of the files are faster. IS this a caching issue in linux? Any other ideas? Thanks! David Kreuter

linux file security and audit

Hi: I am evaluating software for inclusion in a security policy and methods. I am looking at tripwire and osiris. Any user experiences on linux390 with file securing/audit anyone care to share with these software packages or other packages? David Kreuter

looking for a procedure to share /usr

Hi: I'm looking for a softcopy procedure on moving /usr to a r/o disk, and then shrinking the original. I recall seeing this a ways back but cannot remember the site. Thanks. David Kreuter

Determining what programs are writing into /usr

Hi: What methods are available for determining what is writing into /usr and it's subdirectories? Goal is to create a r/o /usr for sharing amongst multiple vm linux images. os is suse sles8. Thanks, David

Re: Weird OSA issue...anyone else???

be recreated. ... so it' s fixed ... no ... we remove the update to modules.conf and cannot reproduce the problem! We've tried every permutation and cannot get the problem to re-occur. I wonder if the chandev layer or the osa module(s) in linux have some issues dealing with 2 or more osa cards. David

Re: 2004-01-30 Recommended Linux for zSeries code and docu drop to developerWorks

It's exciting to see the new functions added! Network data: It looks like the data is the total of all network interfaces, there is no separation of the data? If I have two adapters, say one OSA and one guest lan qdio, I see the total of both? David Kreuter Gerhard Hiller wrote: Please see

Re: Linux userid?

Use the asm_ interface and roll your own diag 0. David Kreuter Wolfe, Gordon W wrote: Is there a way for a Linux server running under z/VM to determine its own VM userid? Something using hcp perhaps? I can't use the IDENTIFY command since that's a CMS command. Thousands of years ago, cats

Re: Please help with DCSS

Why change the attribute to EW? The segment was set to SW. A user with CL E and enough memory can save the contents of their memory (whatever it may be) with SAVESEG, SW is OK. David Kreuter Alan Altmark wrote: You can't load a DCSS until it is saved. I've never worked with the DCSS driver

YAST2 problem: brings down entire network in network basic

not bring down the network. Any relief in a recent YAST2? Thanks, David Kreuter

Re: DCSS permission question

dcss device.. There is no one write user multiple read users segment designation unless you're CP of course. Maybe there needs to be! On the question of SW segments it is up to the code (os) to enforce locking mechanisms. David Kreuter Alan Altmark wrote: On Monday, 02/16/2004 at 02:09 CST

Re: DCSS permission question

A segment defined as EW is EW for all its users. David Kreuter Adam Thornton wrote: On Mon, 2004-02-16 at 14:52, Alan Altmark wrote: Did you try the sequence I gave last week? The trick, I believe, is to load the SR segment in exclusive write mode, which gives you a private non-shared r/w copy

Re: DCSS permission question

spaces in the truest z/series context are DAT on implementations. However in the weeds seems to me that a true DAT on dataspace implementation would be awesome. David Kreuter Adam Thornton wrote: This is wandering off into the weeds a bit: How hard would it be to teach Linux about XC mode? I mean

Re: Use of DIrmaint

management. Although it is tired it is certainly a product that can be revitalized with some neat interfaces available in the VMSERVE service machine and associated library - could be drawn up with a nice web interface via this library David Kreuter Original Message- From: Jason Herne [mailto

SUSE SLES8: no login prompt at 3270

Client on way out the door today showed me a linux SuSE SLES8 system. There is no login prompt at the 3270, putty/ssh works from out in the network. I have seen that this was a problem in SuSE7 under certain circumstances. Anyone seen or experienced anything similar? Any fixes in SLES8? Thanks,

Re: SUSE SLES8: no login prompt at 3270

-- Date:Mon, 23 Feb 2004 20:03:50 -0500 From:David Kreuter [EMAIL PROTECTED] Subject: SUSE SLES8: no login prompt at 3270 Client on way out the door today showed me a linux SuSE SLES8 system. There is no login prompt at the 3270, putty/ssh works from out in the network. I have seen

Re: CTC Definition Problem

/etc/modules.conf -Original Message- From: Peter E. Abresch Jr. - at Pepco To: [EMAIL PROTECTED] Sent: 3/4/2004 6:16 PM Subject: Re: CTC Definition Problem I am missing something that is staring at me and I cannot see it. Do we still have to create an alias for ctc0? If so, where do I

ZL000CE z/VM and Linux(TM) Boot Camp

day offering. Dates: May 17 - 21 Sept 20 - 24 Location: beautiful Markham Ontario (just north of Toronto city line). It's on the IBM WEBSITE, search on ZL000CE. David Kreuter VM RESOURCES LTD. -- For LINUX-390 subscribe / signoff

Re: ZL000CE z/VM and Linux(TM) Boot Camp

994910 * [EMAIL PROTECTED] -Original Message- From: David Kreuter [mailto:[EMAIL PROTECTED] Sent: 09 March 2004 15:02 To: [EMAIL PROTECTED] Subject: ZL000CE z/VM and Linux(TM) Boot Camp * cross posted * Hi: IBM Canada is offering a z/VM and Linux(TM) Boot Camp class with /shameless plug

ORACLE RAC Experiences?

Hi: Does anyone have any experiences with ORACLE RAC using linux on z/series z/VM? I have been working on an architecture to supplant SUN clustered ORACLE database servers. Network redundancy and failover will be handled by TCPIP VIPA, perhaps vswitch down the road. I am considering usng

ORACLE DATA GUARD in Oracle 9i

Hi: Will the Oracle Data Guard work in Oracle 9i with SUSE SLES 8? Or only in in Oracle 10i? Thanks, David -- For LINUX-390 subscribe / signoff / archive access instructions, send email to [EMAIL PROTECTED] with the message: INFO

Linux on z/vm OSA ARP takeover

Hi: Does linux on z/vm support ARP takeover with attached OSA cards? sigh - z/os tcpip stack will do this z/vm tcpip stack will not - maybe linux does? David Kreuter -- For LINUX-390 subscribe / signoff / archive access

Re: Lost access to Linux

Are you using the SEND window to send commands in the HMC to linux? David Kreuter From: Linux on 390 Port on behalf of Peter E. Abresch Jr. - at Pepco Sent: Tue 5/18/2004 8:43 AM To: [EMAIL PROTECTED] Subject: Re: Lost access to Linux I am running one Linux

Re: Hipersockets..... a couple of questions

for zvm cp: do q cplevel it will report if your are using 32 bit or 64 bit CPLOAD module. David From: Linux on 390 Port on behalf of James Melin Sent: Tue 5/18/2004 4:11 PM To: [EMAIL PROTECTED] Subject: Re: Hipersockets. a couple of questions Not in 64

Re: linux 390 education

be offered in the U.S. Next offering is Oct 18 in Vancouver, BC David Kreuter VM RESOURCES LTD. Joe Poole wrote: On Wednesday 02 June 2004 08:53, you wrote: What books, manuals, or courses would you recommend to learn how to support both VM and Linux under VM. I have some VM experience as a user

Re: Monitor Stream Virtual Timer zSeries/Linux

I vote no numbers. Bad numbers = bad decisions. From: Linux on 390 Port on behalf of Barton Robinson Sent: Wed 6/16/2004 12:07 PM To: [EMAIL PROTECTED] Subject: Re: Monitor Stream Virtual Timer zSeries/Linux The implementation of these monitor buffers is

Re: Expanded storage in VM - can it be used for linux swap?

True - a VDEV will be formed which can usually be taken out of the 4k already allocated for the VMDBK. Also segment and page tables required - maybe = 8k David Kreuter From: Linux on 390 Port on behalf of Michael MacIsaac Sent: Tue 6/22/2004 1:52 PM To: [EMAIL

Re: My Linux stop working for a time and continue working

you say 512M and 2gb swat do you mean z/ box central memory and DASD space? or 2gigabyte is taken for expanded storage? David Kreuter From: Linux on 390 Port on behalf of [EMAIL PROTECTED] Sent: Tue 6/22/2004 1:57 PM To: [EMAIL PROTECTED] Subject: My Linux stop

Re: need to compare apples to oranges (HP Unix CPU to zVM IFL CPU with Oracle)

factor. David Kreuter We are looking at a pilot project to test an Oracle database running on Linux/zVM. Currently we have about five applications that run on various HP Unix servers. Each of these applications connect to their own Oracle instance. Each instance is about 300GB, so we have

Re: Guest Machine Recycle

Do you mean zvm dumped and restarted when page AND spool space were full? Spool full conditions result in the stopping of all spool activities - bad enough - but vm continues. If page space is full, CP pages to spool, when spool is full and page is full then its dump and restart time. David

linux support for ficon ctca's

Hi: Does linux support FICON CTCAs? Looking through the IBM code drops I see support for ESCON CTCAs but nothing explicit re FICON CTCAs. Thanks. David -- For LINUX-390 subscribe / signoff / archive access instructions, send

Re: z800 performance

Hi Doug: Contact your friendly IBM rep - they have programs that do estimates on this sort of thing, SIZE390, others, too - the more data you can provide to them the closer their estimates will be! David Kreuter -Original Message- From: Linux on 390 Port on behalf of Doug Griswold Sent

Re: dasd isn't recognized

did you add the virtual address dynamically? echo add device range=0123 | /proc/dasd/devices then you can modify zipl.conf to add it permanently David -Original Message- From: Linux on 390 Port on behalf of Steve Gentry Sent: Thu 9/9/2004 2:03 PM To: [EMAIL PROTECTED] Subject: dasd

Re: What causes VM to lock pages into memory?

/O is always a possibility or avoiding it altogether. Consider using XIP2 file system in shared segment - it's a big help. I can't tell what too many pages locked means. David Kreuter Kohrs, Steven wrote: Through the Perf. Kit for VM, screen 22. User Paging Activity and Storage Utilization, we're

linux nss

Hi: Does the latest linux NSS technique save more than the 1.5Mb from a few years ago? Anyone know the latest status of the Linux NSS? Does it still the require the TRACE command to force linux to STOP prior to the SAVESYS? Thanks, David

[no subject]

[mailto:[EMAIL PROTECTED] Sent: Wed 11/17/2004 11:32 AM To: Linux on 390 Port Cc: David Kreuter Subject: Hi David, sorry, mail was incomplete the prototype implementation for kernel in NSS, that has been usable in 2.4.x. kernel series, does not work at the moment. Even with 2.4.x. kernel, I

Re: linux swap to dcss?

In the case of swapping to EW DCSS it would be a separate address space so the rules are not the same as the XIP2 type of mapped file system. David From: Linux on 390 Port on behalf of Adam Thornton Sent: Thu 11/18/2004 11:15 AM To: [EMAIL PROTECTED] Subject: Re:

Re: VM dispatching

Daniel: you can try checking your SRM values with QUERY SRM ALL. Check STORBUF and LDUBUF. IND Q EXP, IND PAGING, IND I/O may help, too. IND LOAD for paging rates as well as QUERY ALLOC PAGE. Are you using a real time performance monitor? Most useful. David Kreuter Are there any VM commands we can

Re: nicdef vs special

No functional difference. SPECIAL statement came first. David Kreuter Gary A. Ernst wrote: Anyone know the difference between nicdef xxx type qdio lan system PORTNAME and special xxx qdio lan system PORTNAME In the VM directory? Thanks Gary Ernst

Re: Linux Slowdown

Unless you have mission critical CMS data being served from the VMSERV* family you should remove them from QUICKDSP. No point defeating the scheduler routines for those guys. MPROUTE I can see as it is really another dispatchable address space of TCPIP. Sorry for the use of a z/OS term. David

Re: 127 device limitation for hipersockets

To cross the partition border from VM LPAR to z/OS LPAR you can use hipersockets, which you are doing, or OSA devices (they can be shared), or real CTCAs - different types of chpids can be configured as CTCAs - and you can get a bunch of CTCAs from one channel. If you are running into

Re: 127 device limitation for hipersockets

? Something is amiss. -Cameron Seader -Original Message- From: Linux on 390 Port [mailto:[EMAIL PROTECTED] Behalf Of David Kreuter Sent: Wednesday, December 01, 2004 19:10 To: [EMAIL PROTECTED] Subject: Re: 127 device limitation for hipersockets To cross the partition border from VM LPAR

Re: 127 device limitation for hipersockets

-Original Message- From: Linux on 390 Port [mailto:[EMAIL PROTECTED] Behalf Of David Kreuter Sent: Thursday, December 02, 2004 08:31 To: [EMAIL PROTECTED] Subject: Re: 127 device limitation for hipersockets Operating systems reach out to IODFs which contain i/o definitions. One IODF can define up

Re: 127 device limitation for hipersockets

, and we want to go well over 50, and 127 won't work for 50 guests. -Cameron -Original Message- From: Linux on 390 Port [mailto:[EMAIL PROTECTED] Behalf Of David Kreuter Sent: Thursday, December 02, 2004 08:31 To: [EMAIL PROTECTED] Subject: Re: 127 device limitation for hipersockets Operating

Re: 127 device limitation for hipersockets

. -Cameron -Original Message- From: Linux on 390 Port [mailto:[EMAIL PROTECTED] Behalf Of David Kreuter Sent: Thursday, December 02, 2004 08:31 To: [EMAIL PROTECTED] Subject: Re: 127 device limitation for hipersockets Operating systems reach out to IODFs which contain i/o definitions. One IODF

Re: 127 device limitation for hipersockets

PROTECTED] Behalf Of David Kreuter Sent: Thursday, December 02, 2004 08:31 To: [EMAIL PROTECTED] Subject: Re: 127 device limitation for hipersockets Operating systems reach out to IODFs which contain i/o definitions. One IODF can define up to 65,536 devices. z/VM can have *WAY* more than 4 chpids

Re: Linux Slowdown

8 servers the results were enlightening. End of the day it's nothing new, business as usual really. David Kreuter Rob van der Heij wrote: On Thu, 2 Dec 2004 20:52:31 -0500, Post, Mark K [EMAIL PROTECTED] wrote: some people don't yet have enough backing from management to do that. Too many people

Re: DIRMAINT cloning question

No your CLONEDISK command has not completed properly. RC 105 from link indicates that another virtual machine was linked to the disk in write mode, stable mode or exclusive mode. DATAMOVE could not perform the cloning operation. Check with DIRMAINT for files indicating why the link couldn't be

SLES9 Install weirdness.

Hmm. Anyone seen this? I get linux to boot out of the rdr, and when I choose SSH or VNC (done this many times), I can't get any further. If I SSH into my linux machine, it can't find yast or yast2 ! With the VNC choice the VNC client just dies. Extract from console log, contains unexpected

Re: SLES9 Install weirdness.

yup 512m for the install Lee Stewart wrote: Do you have 512M for the install? SLES9 supposedly needs that much and I got all sorts of strange (and some similar) things trying it in less memory... Lee At 04:10 PM 1/5/2005, you wrote: Hmm. Anyone seen this? I get linux to boot out of the rdr, and

Re: SLES9 Install weirdness.

Tried at 768M. At least it was faster. Checked the SUSE manual, from an SSH session it says to use: /usr/lib/YaST2/bin/YaST2.sshinstall Guess what - it's not there! I worked my way down from / Jeesh. David Lee Stewart wrote: Do you have 512M for the install? SLES9 supposedly needs that much and

Re: z/VM PERFSVM Web Interface

move the link you want perfsvm to connect to as the first entry in the home list. David Peter E. Abresch Jr. - at Pepco wrote: We setup the Monitoring procedures as outline in Chapter 11 of the Getting Started with Linux on z/Series for z/VM 5.1. When we start PERFZVM, we receive the following:

Re: Hipersockets routing headaches

I'd compare the MVS LPARs PROFILE.TCPIPs to each other and see where they are different for starters. The fact that it worked several days ago may indicate that mvs configuration files may have changed - unless you were playing with the vm and linux config files in your quest for success.

Re: Problem Installing SusE 9

Check the archives of this list for a linux script from Michael MacISaac of IBM for getting the CDs copied properly. Also check the README and the installation guide for SLES9 on the specifics of the directory pointer for FTP. The FTP directory must be a relative directory - this was also

sles9 s390x installation woes

Hi: I'm trying on a z800 to do a SLES9 install. Trying both FTP and NFS method. No joy. The FTP method dies with (from VNC) a cannot read package data from install media, media error?. Yet the linux box running the FTP server shows from its log that switching to the requested directory

Re: changing OSA address in sles9

the SusEconfig network script or do what I have been doing which is a brute force reIPL. David Kreuter From: Linux on 390 Port on behalf of Levy, Alan Sent: Tue 3/8/2005 8:53 AM To: LINUX-390@VM.MARIST.EDU Subject: changing OSA address in sles9 I've seen some

Re: VNC on SLES9

what are the contents /root/.vnc/xstartup ? also could be related to Xauthority David From: Linux on 390 Port on behalf of Quillen, Channon Sent: Wed 3/9/2005 2:23 PM To: LINUX-390@VM.MARIST.EDU Subject: VNC on SLES9 I don't know if this related to SLES9 being

Re: SLES9 Install problems again

after much trial and error I got the SLES9 install to work from a zvm linux ftp server. My ../installroot directory resembles your /data/sles9root. The directory with the install material in my case is /home/usrdk01/installroot. I authorized with chmod all files in installroot and its

Re: Change ip of sles9

I thought your problem was that you couldn't reach the IP address from putty what have you. Hence my comments on geekoid 3270 line mode editing! Glad it worked out for you with yast. David From: Linux on 390 Port on behalf of Noll, Ralph Sent: Fri 3/11/2005

Re: z/VM4.3 - 4.4 guestlan stops working . . .

what mechanism are you using to define the virtual nics? SYSTEM DTCPARMS tags? Directory entries? CP commands? David Kreuter Little, Chris wrote: I've essentially taken the 4.3 profile.tcpip and mproute.config and changed it to reflect new ip addresses (running concurrently with 4.3 in a different

Re: Expanded Storage

Yes z/VM is using it, and will use it. It was configured for your z/VM system at the HMC console. Yes users will benefit. z/VM will page to xstore. David From: Linux on 390 Port on behalf of Levy, Alan Sent: Wed 3/23/2005 10:02 AM To: LINUX-390@VM.MARIST.EDU

Re: Anyone Have Experience with Putting the Kernel in a Named Saved Segment?

a lot of storage too. David Kreuter From: Linux on 390 Port on behalf of Hobbs, Robert Sent: Wed 3/23/2005 3:52 PM To: LINUX-390@VM.MARIST.EDU Subject: Anyone Have Experience with Putting the Kernel in a Named Saved Segment? Does anyone have any experience

Re: z/VM 5.1 and Linux guests strange Monday mornings!??

The 9015 wait state indicates a machine malfunction due to one of the following: 1. machine check after termination lock was required. (This suggests a shutdown was in progress) 2.External interrupt present even though external ints. were disabled) 3.Processor doesn't properly handle a SIGP

Re: Linux cloning problem

What about the IUCV statements in the directory entries? Any anomalies? You could change your linux /etc/HOSTNAME and reboot but I doubt that it will fix your problem. You could go to the CP TRACE table and see if your IUCVs are getting through. Sounds like a definition problem somewhere. On

Re: I can't run FlashCopy command on z/VM V5.

From the help for flashcopy: "in order for this command to be (Bsuccessful, the source and target DASD must be correctly defined on (Bcontrol units that support the flashcopy feature" (B (BCheck your IOCDS to see the subchannel, control unit and chpid (Bdefintions - you will need to make a

Re: Latest on PAV's?

You should consider using the XIP2 overlay file system in a DCSS for /usr executables - avoid the i/o altogether. Every linux machine shares one memory copy. The segment will either be in memory or paging DASD - all goodness. David -Original Message- From: Linux on 390 Port on behalf

Re: Curious problem

is the nic there? is it coupled to the guest lan? David -Original Message- From: Linux on 390 Port on behalf of Rich Smrcina Sent: Wed 4/6/2005 9:51 PM To: LINUX-390@VM.MARIST.EDU Subject: Curious problem We have a Linux machine (SLES9 64-bit) that we want connected to a Vswitch. The

Re: Disaster Recovery and z/VM

Not sure about licensing issues but an LPAR is just fine for running z/VM. An IFL is a special type of central processor (CP). IFLs have all of the facilities of a CP except for 1 or 2 machine instructions - and vm doesn't need them. An IFL always runs in a LPAR. Have fun at the d/r drill.

Re: Adding New Network interface

Hi Eddie: You can use yast from a telnet or ssh session and configure a new network device. If stuck without ssh or telnet you can use the 3270 and copy the configuration files from /etc/sysconfig/network and use sed or other line editor tool and configure the interface. David

Re: The way to add new NIC for Hipersocket.

How did you add it to the directory? In this case you are using a real hipersocket so you will need DEDICATE statements in your directory or ATTACH commands from a class B need to be issued. While you can consider the virtual addresses as NICs, they ar more like a set of devices on a

Re: guests with same NIC configuration

Looks fine to me. As a small tiny meaningless choice I would have used something completely different for the second nic, like fffc-fffe. Gianfranco Ciotti wrote: Hi all, I've inherited a z/VM 4.4 where all guests have the same virtual NIC configuration in PROFILE EXEC: 'COUPLE A000 TO SYSTEM

Re: qeth initialization failure trying to install SLES9

What are the devices at 700-702? To use a vswitch the OSA-Express is not attached to a virtual machine - TCPIP controller will manage. 700-702 should be virtual NICs coupled to the guest lan. David From: Linux on 390 Port on behalf of Tom Driscoll Sent: Wed

Can't get vlan to work on suse sles9 64-bit

Can't get vlan to work on suse sles9 64-bit. Loading the 8021q module works fine, the config add command works fine, but whenever I try to configure the device with an IP address, I go into a loop of some sort on the virtual machine. Doesn't matter what IP address I use, whenever I issue

vswitch and sles8

no joy. Using suse sles8 cannot get my nic to come active on the vswitch! lforxx8a:~ # cat /proc/version Linux version 2.4.19-3suse-SMP ([EMAIL PROTECTED] mailto:[EMAIL PROTECTED] ) (gcc version 3.2) #1 SMP Wed Nov 6 22:34:43 UTC 2002 error message: qeth: Trying to use card with devnos

Re: vswitch and sles8

Thanks, Dennis, it is now working! From: Linux on 390 Port on behalf of LINUX-390 List Sent: Thu 5/12/2005 2:09 AM To: LINUX-390@VM.MARIST.EDU Subject: Re: vswitch and sles8 David Kreuter wrote: no joy. Using suse sles8 cannot get my nic to come active

Re: Can't get vlan to work on suse sles9 64-bit

In vswitch level 2 are the MACs of the guest propagated to real switch? Or is it using pseudo mac, using the MAC of the OSA card associated with the switch? David Alan Altmark wrote: On Friday, 05/13/2005 at 09:44 EST, Alan Schilla [EMAIL PROTECTED] wrote: Thanks Alan from your response I did a

Re: Copied a guest from prod VM to test VM - Nicdef is a different address

if this is sles9 you can try to rename the file to: /etc/sysconfig/network/ifcfg-qeth-bus-ccw-0.0.9000 check the contents of the file too Then you can detach the nic, redefine and see if it works. David James Melin wrote: For whatever paranoia reason, our VM TCP/IP person made the nicdef for test

Re: SLES 9 install problems

Well try specifying a relative path instead of an absolute path, ../../mnt/cdrom Check the Mike MacIsaac code mentioned in a few previous discussions on setting up an install directory tree. David Campbell, Breck wrote: When installing from the CDROM via FTP we can only get to the place where

Re: SLES 9 install problems

I had success when I built the FTP server on a SLES8 virtual machine server - eliminated any wire problems - went OSA to OSA although could have gone hipersockets or guest lan. David Campbell, Breck wrote: Thanks all. For now, it seems, we have traced to problem to our FTP server. BPC

Re: Betr.: Re: Comm between LPARs: Hipersockets or OSA loopback?

There are some network considerations. With the Vswitch/OSA connectivity you can do it all at level 2 (with the right level of OSA microcode) so any end station can reach any other end station on the different lpars without routing. Hipersocket is level 3, so you may be looking at some routing in

Re: WebSphere Clarification Please?

Apparently. You have to grow horizontally, burdening the 2g even more (more virtual I/O). Plus within the 31 bit WAS machine often times additional JVMs are required increasing the virtual management that linux has to do. Sigh. David Marcy Cortes wrote: It does sounds like for V6 you'll

Re: DASD shared between SLES9s.(running on different z/VMs)

OK it's Friday I have to ask you Gordon: What's an IBM SE? David Wolfe, Gordon W wrote: In certain circumstances, sharing a limited amount of dasd read-write among LPARs is possible using hardware reserve/release. We do this with our shared tape catalog in VM:Tape (which is on its own real

Re: DASD shared between SLES9s.(running on different z/VMs)

maintenance. munson -Original Message- From: David Kreuter [EMAIL PROTECTED] Sent: Jun 17, 2005 1:57 PM To: LINUX-390@VM.MARIST.EDU Subject: Re: DASD shared between SLES9s.(running on different z/VMs) OK it's Friday I have to ask you Gordon: What's an IBM SE? David Wolfe, Gordon W wrote

Hipersockets and VLANs

I am trying to determine if I can do the following flat network using hipersockets with Vlan support. There is one paragraph in the Connectivity Redbook on VLAN support for HiperSockets in a Linux environment Is this possible: 10.1.1.x host in Real Switch; Real Switch turnk port via OSA to

Re: My status...

that was fast. hope everything is ok - did you get a contract with them? -Original Message- From: Linux on 390 Port on behalf of Dave Jones Sent: Tue 6/28/2005 5:16 PM To: LINUX-390@VM.MARIST.EDU Subject: My status... Hi, DK. Just a short note to let you know that as of the end of

Re: Business Week Article

Does Business Week qualify as an airline magazine? David -Original Message- From: Linux on 390 Port on behalf of Rick Troth Sent: Wed 6/29/2005 11:34 AM To: LINUX-390@VM.MARIST.EDU Subject: Re: Business Week Article Thanks, Neale. A very exciting article! In the late 1990s,

Re: Hipersockets and VLANs

on real switch to host on lpar b going through a vsiwtch to lpar a through a hipersocket to lpar b? David Vic Cross wrote: On Tue, Jun 28, 2005 at 04:48:17PM -0400, David Kreuter wrote: Is this possible: 10.1.1.x host in Real Switch; Real Switch turnk port via OSA to Vswitch in LPAR

Re: Business Week Article

Many good points raised by all. Lots of benchmarks fail because customers are led to comparing non-z workload with plunk and go linux vrtual machines. Do this only if you want to make z series look bad. I've seen lots of numbers, and done some benchmarking. Z series typically does not win in a

Re: Hipersockets and VLANs

: On Tue, Jun 28, 2005 at 04:48:17PM -0400, David Kreuter wrote: Is this possible: 10.1.1.x host in Real Switch; Real Switch turnk port via OSA to Vswitch in LPAR A with linux host 10.1.1.19; same linux host has a hipersocket on 1.2.3.4 with VLAN enabled connecting to a linux host in LPAR B

Re: Mainframe REXX EXEC to logon to zVM Linux instance and issue commands

Depending on your needs you can use the AUTOLOG or XAUTOLOG command to fire up a linux virtual machine, and use SET SECUSER to control to linux vm's console. With CP SEND you can issue commands to the linux guest. In a rexx exec you will easily be able to pass mixed case commands. From MACHINEA

Re: SLES 9 in an LPAR

What weight has the LPAR been assigned as compared to the other LPARs? Is the LPAR capped or able to obtain CPU cycles dynamically when available? David Scully, William P wrote: I'm having a performance problem. I was asked to install SLES 9 64-bit into an LPAR. To create the server I got my

Re: After creation of SLES-9 system network interface missing

Is it coupled to the guest lan? David James Melin wrote: qeth: Device 0.0.9000/0.0.9001/0.0.9002 is a Guest LAN QDIO card (level: V519) ---snip -- For LINUX-390 subscribe / signoff / archive access instructions, send

Re: Poor performance running VM under VM in a DR exercise

ok yeah well maybe - certainly true to some degree - depends I think on the hardware to a large extent. SIe under SIE once crippled some work I was doing years ago on a 3090! But I think strides have been made to improve SIE under SIE. David James Melin wrote: I spoke to an IBM expert on things

linux db/2 limitations

I had an interesting meeting today concerning a possible project moving some existing DB/2 data on servers and z/os to linux DB/2 under good ole z/vm. Someone on the project was told that linux on db/2 had a 450Gigabyte limitation with the size of a database, or tables, or ... This makes

Re: linux db/2 limitations

:45 PM To: LINUX-390@VM.MARIST.EDU Subject: Re: linux db/2 limitations Oh, there are some other ways around it, including defining another major node for dasd, but I will defer to souls wiser than I for that. Never tried it. -Original Message- From: David Kreuter [mailto:[EMAIL PROTECTED

Re: IBM software for z/VM and/or Linux on zSeries

For securing logons, links, guest lans, rdrs: RACF If you have multiple LPARs consider RSCS for file and data transfer Good luck - David -Original Message- From: Linux on 390 Port on behalf of Little, Chris Sent: Thu 11/17/2005 10:56 AM To: LINUX-390@VM.MARIST.EDU Subject: IBM software

Re: Using SAMBA / NFS for data interchange between Windows and Linux - any reservations?

from an architecture perspective is ftp doing the same thing as nfs/samba? FTP is more of a come and get it - samba/nfs are here when you want it. Just a thought. David -Original Message- From: Linux on 390 Port on behalf of Ranga Nathan Sent: Thu 11/17/2005 1:33 PM To:

Re: Linux VM storage usage

It's an approximation of how many pages are needed by members of the dispatch list in order to run. It's sort of kind of meaningless, especially in linux vm environments where linux machines have gigantic working sets. Performance reports can give a better number. David Harris, Nick J. rote:

Re: Copying a SLES9 installation

Just curious if this installation was done so that /usr (being on its own mdisk) could be shared read-only with CP LINK .. .. .. RR and fstab considerations among multiple instances? David -Original Message- From: Linux on 390 Port on behalf of Michael Krysiak Sent: Thu 1/5/2006 10:47

Re: CMDISK on a MainFrameLinux volume...

Brian: Alas DIRM CMDISK will only copy CMS data - so you are out of luck. For these types of operations within linux you should consider LVM or some such logical volume manager. You could create the new minidisk, linux format, mount it, copy old to new, and switch that way. David

  1   2   3   >