[Gluster-users] Re-adding an existing brick to a volume

Vlad Kopylov vladkopy at gmail.com
Sun Feb 25 16:02:41 UTC 2018

.gluster and attr already in that folder so it would not connect it as a brick
I don't think there is option to "reconnect brick back"

what I did many times - delete .gluster and reset attr on the folder,
connect the brick and then update those attr. with stat
commands example here


On Sun, Feb 25, 2018 at 4:37 AM, Mitja Mihelič <mitja.mihelic at arnes.si> wrote:
> Hi!
> I am running a replica 3 volume. On server2 I wanted to move the brick to a
> new disk.
> I removed the brick from the volume:
> gluster volume remove-brick VOLUME rep 2
> server2:/gluster/VOLUME/brick0/brick force
> I unmounted the old brick and mounted the new disk to the same location.
> I added the empty new brick to the volume:
> gluster volume add-brick VOLUME rep 3 server2:/gluster/VOLUME/brick0/brick
> There is about 2TB of data on the volume and they are all small files,
> photos and documents. The whole heal process is rather slow. In 10 hours
> only 120GB was copied to the new brick.
> I remove the new brick:
> gluster volume remove-brick VOLUME rep 2
> server2:/gluster/VOLUME/brick0/brick force
> I remounted the old brick in its place. Now I would like to re-add the
> existing old brick back to the volume, so I have a replica 3 again.
> But the add operation fails with:
> volume add-brick: failed: /gluster/VOLUME/brick0/brick is already part of a
> volume
> How can I re-add this brick back to the volume, and how save is it? Can I
> use force to add it?
> There has been little to no data change on the volume since the old brick
> was removed in the first place.
> Kind regards,
> Mitja
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