Hi,
Les Mikesell wrote on 2011-09-07 17:46:47 -0500 [Re: [BackupPC-users] Backups
very slow after upgrade to squeeze]:
> On Wed, Sep 7, 2011 at 3:10 PM, James L. Evans <jle AT techatl DOT com> wrote:
> >
> > xvda1 10GB Operating system (24% used)
> > xvdb1 536MB Swap partition
> > xvbc1 214GB backup storage (72% used)
> >
> > I'm not sure how to tell what a "fragmented VM image" would look like.
>
> Did the location or allocation change as part of the upgrade? If the
> partitions are mapped straight from the host, I wouldn't expect them
> to, but something seems to have made writing very slow. Or perhaps
> you have concurrent activity on a different VM or application that
> competes with the physical disk head location.
you did see the kjournald oops? I don't really know what to make of it, but
there is some kind of basic problem (hardware, on-disc corruption, software
incompatibility, ...). I'd look into that first, whether or not it is directly
related to the preformance issue.
Regards,
Holger
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