[PVE-User] Backup issue

Muhammad Yousuf Khan sirtcp at gmail.com
Tue Sep 6 08:03:39 CEST 2011


Thanks Alain, you must be right. because i have noticed the same thing and
yes the VM is big in size for some technical requirement it is a little over
100GB. and the backup has to copied on a NAS system which is using 100 mbps
 LAN. so i think this is the only reason,   anyways thanks for this helpful
hint

Thanks,

Bye

>
>>>
>>>
>> Hi Muhammad,
>>
>> I saw this behavior rather frequently when the backup storage was on a 100
>> Mbit switch, with rather big VMs, > ~30GB. Since then, I upgraded to a Gig
>> switch, and it happens much less frequenly, but still sometimes. I think it
>> is a network problem.
>> What is annoying is that it prevents also the backup of the remaining VMs
>> on the same host.
>>
>> What I do in this case is just to kill the processes involved in vzdump
>> (in your case, it would be kill 19923 and 19924).
>>
>> When the backup does not succeed, I see on the backup storage, beside the
>> log and tar file, a dat folder for the VM. I verify this regularly, and if I
>> see a dat file, I kill vzdump on the involved host.
>>
>> Alain
>>
>>
> I forgot to send the answer to the list...
>
> Just some precisions :
> When I kill the vzdump processes, I see the dat folder disappear on the
> backup server, and the remaining VMs backups complete.
>
>
> Alain
>
> --
> ==============================**============================
> Alain Péan - LPP/CNRS
> Administrateur Système/Réseau
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