I have an odd issue with my VSA backups, this is all on 9.0 SP2.
My MA is also my VSA and is a “stripped just to the basics” 2008 x64 server with nothing but Commvault 9.0 SP2 and the x64 binaries from the VDDK 1.2.1 copied over the ones installed by Commvault.
My vSphere is 4.1 U1, all VM’s with the latest VMware tools, all VM’s are v7 hardware so backups whilst set to “automatic” are (and can only be) VADP.
What appears to be happening is that my VSA backups work perfectly until I have a VSA backup begin whilst my main file server (the OS volume is a VMDK with iSCSI LUNs attached from within the guest) is in the middle of a full backup.
What seems to happen is that the VMware tools in the guest timeout in trying to take a quiesced snapshot, at which point “something” goes wrong and Commvault then seems to go haywire and what I see happen in VI Client is two snapshot attempts being made for each remaining VM, one immediately after the other, with no attempt being made by Commvault to back them up.
I’m left with a backup job that fails every VM past this point, and a VI Client full of VM’s with “GXBACKUP” snapshots remaining and needing to be manually purged.
If I change the VSA to exclude the file server VM, things settle down again, so somehow it is related. My hunch is that “something” is timing out with the quiesce and either the VDDK or Commvault doesn’t know how to react.
I wondered if anyone has encountered this?
Is there any way within Commvault to tell it not to try and quiesce the VM’s as it does seem to be more trouble than it’s worth – crash consistent would be perfectly acceptable.
Thanks,
Paul
MIRA Ltd
Watling Street, Nuneaton, Warwickshire, CV10 0TU, England
Registered in England and Wales No. 402570
VAT Registration GB 100 1464 84
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