Petere Abresch wrote:
The Linux guests are very small with very little activity against them.
They are defined with 500MB each. The z/VM LPAR has 1488 MB real storage
defined to it. I have the z/VM performance monitor up and running. I do
not see any indications of paging problems. Is there
We are having a problem with our Linux guests. We have 3 2.6.5-7.257-s390x
guests running under z/VM Version 5.1 on an IBM 2066-002?s IFL. It seems
that one guest will just stop responding. What I mean is:
Can not ping it
Can not issue any commands to it
Will not respond to any commands from
I'd look at storage statistics, paging rates as a start. How much memory
do you have?
David
Peter E. Abresch Jr. - at Pepco wrote:
We are having a problem with our Linux guests. We have 3 2.6.5-7.257-s390x
guests running under z/VM Version 5.1 on an IBM 2066-002?s IFL. It seems
that one guest
This problem has come up a number of times. Check the following links to
describe Eligible lists (E3) and the commands needed to tailor your z/VM
environment to work best with Linux guests:
http://www.vm.ibm.com/perf/tips/z890.html
http://www.vm.ibm.com/perf/tips/linuxper.html
On 6/19/06, Peter E. Abresch Jr. - at Pepco [EMAIL PROTECTED] wrote:
LINUXM03 E3 PS 00103862/00124399
With 500 MB working set and 3 of those hanging out in Q3 on the
machine, that's a fair amount of real memory you need. With default
settings you only have 60% for Q3. MDC is probably
On Jun 19, 2006, at 12:36 PM, Peter E. Abresch Jr. - at Pepco wrote:
Does anyone have any clues what this problem might be or can they
point me
into the right direction to start the diagnosis? Thanks as always.
I'm going to stare into my crystal ball and diagnose this without any
actual
peek at?
Peter
David Kreuter [EMAIL PROTECTED]
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06/19/2006 01:39 PM
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Re: Non responsive Linux Guest now and then
I'd look at storage statistics
What are your SRM settings (Q SRM). (There's a section on Eligible lists in
one of those references I sent.)
-Original Message-
The Linux guests are very small with very little activity against them.
They are defined with 500MB each. The z/VM LPAR has 1488 MB real storage
defined to it. I
MAXWSS : LIMIT=%
.. : PAGES=99
XSTORE : 0%
Neale Ferguson [EMAIL PROTECTED]
Sent by: Linux on 390 Port LINUX-390@VM.MARIST.EDU
06/19/2006 03:23 PM
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Re: Non responsive Linux Guest now
3 guests at 512MB. With Linux all pages will be touched and become part of
the working set. z/VM calculates total working set requirements = 3 * 512MB
and compares it against what's available c.1488 * 0.95 (95% for Q3 STORBUF).
It then determines that not all Linux guests can be dispatched and
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