[CentOS] LVM + XFS + external log + snapshots - SOLVED
aurfalien
aurfalien at gmail.com
Tue Jun 25 19:23:29 UTC 2013
On Jun 25, 2013, at 6:02 AM, Gordon Messmer wrote:
> On 06/24/2013 07:49 PM, aurfalien wrote:
>> Freezing the fs looks to make the log zero. So assigning any
>> device/file for the external log would work. My mistake was not
>> making the log dev an LVM. However I don't if a log on an LVM would
>> have worked anyways.
>
> It wouldn't work. If you snapshot a filesystem (XFS or Ext4) with an
> external journal, you'll need to create a new one or modify the snapshot
> to specify no journal.
Ah, good to know. So the method I found, actually one suggested to me from the XFS list was the only solution.
> I've started a project to handle these things automatically and make it
> easier for everyone to make backups using snapshots. Initial work is
> here, and I'll be picking it up again when I'm back from Prague.
>
> https://bitbucket.org/gordonmessmer/dragonsdawn-snapshot
>
> I'll be adding support for XFS, NetApp, and btrfs soon.
Nice info man, thank you very much.
- aurf
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