On Tue, 7 Feb 2012 at 09:12 -0000, Hans-Joachim Ehlers wrote:
> Thus does somebody has such an environment where GPFS is used as a
> shared storage for KVM and could share some experience ?
We recently tried this and had to back out and use local disk instead
of GPFS. It was rather unpleasant to have the job queuing system lock
up due to loss of GPFS on the KVM server.
Our issue was related to GPFS/IB stability which is something we are
still dealing with. We are running rather old version of GPFS-3.3 and
really need to freshen our installation to 3.4.
BTW: Is there a public mailing list or usenet group where GPFS is
specifically discussed?
We currently run a few critical services on XEN VMs which need very
early availability during cluster startup. These will likely move to
KVM/local disk shortly. I'm not real fond of having authentication
server VMs on storage which is writable from every compute node.
We are not using xCAT for VM management at this time. I did look at
the xCAT VM support a while back and it didn't meet then current
needs. We are in process of reevaluating various VM provisioning
system and will revisit xCAT VM support shortly.
Stuart Barkley
--
I've never been lost; I was once bewildered for three days, but never lost!
-- Daniel Boone
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