[PVE-User] ext3 journal issues in VM

Jean Rousseau Franco jfranco at maila.com.br
Mon Jul 29 17:29:08 CEST 2013


Hi Tim,

Are you using a local storage?
Please provide the PVE version you have installed: pveversion -v
and also the results of: pveperf /var/lib/vz

Best regards,
2013/7/29 Tim Nelson <tnelson at rockbochs.com>

> Greetings-
>
> I'm running a VM (qm, not vz) with Zimbra mail server. It works very well,
> no problems. However, I've found a very curious issue that crops up on
> occasion...
>
> When emptying a large folder within Zimbra, say with 9k messages (had it
> happen with as little as 4k), the system gets very slow and stops
> responding. A check of the console shows the ext3 filesystem has had a
> journal abort, and gone read-only.
>
> The physical hardware of the system is in perfect working order, with no
> problems handling the I/O load. Is it possible this use case (large amounts
> of very small files) is not handled correctly by the virtualization storage
> layer? At this time I'm using the 'RAW' file format, presented as an IDE
> disk to the VM.
>
> Thoughts? Thanks!
>
> --Tim
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