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

[Ravishankar N]

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
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