[Gluster-users] delete brick / format / add empty brick

Ravishankar N ravishankar at redhat.com
Wed Jan 8 04:00:44 UTC 2014


On 01/07/2014 09:40 PM, Alun James wrote:
> Hi folks,
>
> I had a 2 node (1 brick each) replica, some network meltdown issues 
> seemed to cause problems with second node (server02). glusterfsd 
> process reaching 200-300% and errors relating to split brain 
> possibilities and self heal errors.
>
> Original volume info:
>
> /Volume Name: myvol/
> /Type: Replicate/
> /Status: Started/
> /Number of Bricks: 2/
> /Transport-type: tcp/
> /Bricks:/
> /Brick1: server01:/brick1/
> /Brick2: server02:/brick1/
>
> I removed the second brick (that was showing server problems).
>
> /gluster volume remove-brick myvol replica 1 server02:/brick1/
> /
> /
> Now the volume status is:
>
> /Volume Name: tsfsvol0/
> /Type: Distribute/
> /Status: Started/
> /Number of Bricks: 1/
> /Transport-type: tcp/
> /Bricks:/
> /Brick1: server01:/brick1/
> /
> /
> All is fine and the data on working server is sound.
>
> The xfs partition for /server02:/brick1/ has been formatted and 
> therefore the data gone. All other gluster config data has remained 
> untouched. Can I re-add the second server to the volume with an empty 
> brick and the data will auto replicate over from the working server?
>
> /gluster volume add-brick myvol replica 2 server2:/brick1 ??/
>

Yes this should work fine. You will need to run a  `gluster volume heal 
myvol full` to manually trigger the replication.

>
>
>
> ALUN JAMES
> Senior Systems Engineer
> Tibus
>
> T: +44 (0)28 9033 1122
> E: ajames at tibus.com
> W: www.tibus.com <http://www.tibus.com>
>
> Follow us on Twitter @tibus 
> <http://twitter.com/intent/user?screen_name=tibus>
>
> Tibus is a trading name of The Internet Business Ltd, a company 
> limited by share capital and registered in Northern Ireland, NI31325. 
> It is part of UTV Media Plc.
>
> This email and any attachment may contain confidential information for 
> the sole use of the intended recipient. Any review, use, distribution 
> or disclosure by others is strictly prohibited. If you are not the 
> intended recipient (or authorised to receive for the recipient), 
> please contact the sender by reply email and delete all copies of this 
> message.
>
>
> _______________________________________________
> Gluster-users mailing list
> Gluster-users at gluster.org
> http://supercolony.gluster.org/mailman/listinfo/gluster-users

-------------- next part --------------
An HTML attachment was scrubbed...
URL: <http://supercolony.gluster.org/pipermail/gluster-users/attachments/20140108/361ef21e/attachment.html>


More information about the Gluster-users mailing list