[Gluster-users] Rsync in place of heal after brick failure

[Poornima Gurusiddaiah]

You could also try xfsdump and xfsrestore if you brick filesystem is xfs
and the destination disk can be attached locally? This will be much faster.

Regards,
Poornima

On Tue, Apr 2, 2019, 12:05 AM Tom Fite <tomfite at gmail.com> wrote:

> Hi all,
>
> I have a very large (65 TB) brick in a replica 2 volume that needs to be
> re-copied from scratch. A heal will take a very long time with performance
> degradation on the volume so I investigated using rsync to do the brunt of
> the work.
>
> The command:
>
> rsync -av -H -X --numeric-ids --progress server1:/data/brick1/gv0
> /data/brick1/
>
> Running with -H assures that the hard links in .glusterfs are preserved,
> and -X preserves all of gluster's extended attributes.
>
> I've tested this on my test environment as follows:
>
> 1. Stop glusterd and kill procs
> 2. Move brick volume to backup dir
> 3. Run rsync
> 4. Start glusterd
> 5. Observe gluster status
>
> All appears to be working correctly. Gluster status reports all bricks
> online, all data is accessible in the volume, and I don't see any errors in
> the logs.
>
> Anybody else have experience trying this?
>
> Thanks
> -Tom
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