[PVE-User] WG: difference b/w backup types

Muhammad Yousuf Khan sirtcp at gmail.com
Thu Sep 29 17:31:43 CEST 2011


ok thanks for the nice info. yes exactly i am using NFS. OK no problem this
backup issue occurs every week. so next week i will continue from this
email. with the error log if traced. just one more thing i want to add i am
using NFS in openfiler, may be the problem was with  NFS if so then ill make
SMB share. if needed lets see.

Thanks any ways.


On Thu, Sep 29, 2011 at 6:37 PM, Matthew Caron <Matt.Caron at sixnet.com>wrote:

> On 09/29/2011 09:28 AM, Muhammad Yousuf Khan wrote:
>
>> WHAT is the error message?
>>
>> log did not show any thing. i dont know where to find the error log but
>> in vzdump backup log. it did not show any error to me.
>> when job got hanged no activity found on processor, disk IO and RAM
>> however process remains their untill i kill it by command line.
>>
>> Sep 29 02:00:02 INFO: Starting Backup of VM 101 (qemu)
>> Sep 29 02:00:02 INFO: running
>> Sep 29 02:00:02 INFO: status = running
>> Sep 29 02:00:02 INFO: backup mode: snapshot
>> Sep 29 02:00:02 INFO: ionice priority: 7
>> Sep 29 02:00:03 INFO:   Logical volume "vzsnap-tank-0" created
>> Sep 29 02:00:03 INFO: creating archive
>> '/mnt/pve/NFS-450/vzdump-qemu-**101-2011_09_29-02_00_02.tgz'
>> Sep 29 02:00:03 INFO: adding
>> '/mnt/pve/NFS-450/vzdump-qemu-**101-2011_09_29-02_00_02.tmp/**
>> qemu-server.conf'
>> to archive ('qemu-server.conf') Sep 29 02:00:03 INFO: adding
>> '/mnt/vzsnap0/images/101/vm-**101-disk-1.raw' to archive
>> ('vm-disk-ide0.raw')
>>
>
> If I read this correctly, you're mounting an nfs volume and trying to back
> up to that?
>
> If so, check in /var/log/syslog or /var/log/messages - look for where the
> nfs logs are. Heck, if you're lucky, there's a /var/log/nfs.
>
> Also, check the logs on both this client *and* the server - that may shed
> some light on it.
>
> I bet it's a problem with NFS. I've had numerous performance issues with it
> on Linux over the years.
>
> --
> Matthew Caron
> Build Engineer
> Sixnet | www.sixnet.com
> O +1 518 877 5173 Ext. 138
> F +1 518 602 9209
> matt.caron at sixnet.com
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