We had the same problem a couple of years ago, and adjusting those buffers
fixed ours.
>>> [EMAIL PROTECTED] 1/20/2006 10:06:44 AM >>>
Sounds like our similar problem that was caused by developing scheduler
Eligible lists, because we had not increased the CP default SRM STORBUF
values of
STORBUF: Q1=125% Q2=105% Q3=095%
When problem recurs again do CP INDICATE to see if VM has userids in the
Eligible lists:
CP INDICATE
AVGPROC-014% 02
XSTORE-000003/SEC MIGRATE-0000/SEC
MDC READS-000001/SEC WRITES-000000/SEC HIT RATIO-100%
STORAGE-052% PAGING-0001/SEC STEAL-000%
Q0-00002(00000) DORMANT-00034
Q1-00011(00000) E1-00000(00000)
Q2-00007(00000) EXPAN-002 E2-00000(00000)
Q3-00004(00000) EXPAN-002 E3-00000(00000)
You have an Eligible list if the E1-,E2-,E3- counts are not 00000; the
above sample shows 00000 users in the Eligible lists.
If you have an eligible list do CP Q SRM, look at the response's STORBUF
line, and set the SRM STORBUF values higher with something like
CP SET SRM STORBUF 300% 250% 200%
If it works then put the CP SET SRM command in your AUTOLOG1 userid's
PROFILE EXEC to run when VM IPL's.
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-----Original Message-----
From: Linux on 390 Port [mailto:[EMAIL PROTECTED] On Behalf Of
Kreiter, Chuck
Sent: Friday, January 20, 2006 9:09 AM
To: LINUX-390@VM.MARIST.EDU
Subject: Linux Monitoring
We are running four SUSE 9 Linux guests under z/VM 5.1. z/VM and Linux
have all current maintenance and fixes applied. All 4 guests were
cloned from the same base install.
The problem we have is that occasionally, Linux will stop functioning.
Our connection is via VNC. I haven't been able to establish a pattern
as to what is causing this. The symptoms are as follows:
Linux could be up for hours or days running fine.
Working on anything from YaST to web browsing to accessing a SMB share,
upon clicking something, the VNC session will hang and then disconnect.
We've tried logging on to the guest under VM, but even VM doesn't allow
us to do anything. We end up forcing the guest off using MAINT. Then,
we can reboot the image fine and it could run fine for hours or weeks.
I've checked our HMC for CPU activity on the IFL, but it is <5% utilized
so I don't think something is looping.
If anyone has experienced this, I'd be curious to hear how your resolved
it. Or, if anyone knows of a way to log what is happening, that might
help as well. As we are still evaluating this as a viable platform, we
haven't purchased SUSE support yet.
Chuck Kreiter
Lead Systems Programmer
State Auto Insurance
* This message was scanned by State Auto's mail server for viruses and
objectionable content.
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