[PVE-User] [sirtcp at gmail.com: Re: Backup issue]
proxmox at uap.edu.ar
proxmox at uap.edu.ar
Wed Sep 7 20:00:31 CEST 2011
I had this problem 3 times, and it happened to me when using software raid, and only at the exact moments that i was running a virtual machine backup and the software raid was doing a consistency-check (first sunday of every month by default)
It seems that a very loaded harddisk with softraid had some kind of issue...
I resolved those issues doing the same things Dietmar suggested !
And after that, you have 2 options: a hardware raid controller, or not doing VM backup at the same time the softraid is checking consistency...
Hope it helps...
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To: Dietmar Maurer <dietmar at proxmox.com>
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Subject: Re: [PVE-User] Backup issue
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Thank you for the response, actually i was going to ask about this error in
next thread but i am glad that you have raised it in this message trail :),
can you please tell me what is this basically means?. i know very little
about this error that it has some sort of relation with LVM. can you tell me
more about this and the easiest way to resolve this dm-2 error. however
every thing is working find right now.
| Kill the vzdump process (and run 'qm unlock <vmid>'), then test if that
bug is reproducible.
after killing the vzdump process it shows "unable to read config for VM 109"
,but i already killed that process last night and have completed the new
backup of said VM 109 and it was successful this time.
On Tue, Sep 6, 2011 at 4:44 PM, Dietmar Maurer <dietmar at proxmox.com> wrote:
> > No error message can be seen in VZDUMP log.
> >Aug 30 04:41:57 INFO: /dev/dm-2: read failed after 0 of 4096 at 0:
> This looks like an error to me.
> > can any one tell me why the process is stuck. and what is the solution.
> Kill the vzdump process (and run 'qm unlock <vmid>'), then test if that bug
> is reproducible.
> - Dietmar
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Tecnologia y Operaciones
Universidad Adventista del Plata
ayuda at uap.edu.ar
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