[Gluster-users] what happens when adding a pre-populated brick?

Jeff White jaw171 at pitt.edu
Fri Dec 16 15:43:06 UTC 2011

I have been told this is do-able but I haven't tested it much myself.  I 
would be interested in hearing about this from anyone who has done it.

 From what I heard on irc you can do the following:

1. Have existing data in server1:/data1
2. Stop all changes to server1:/data1
3. Create a volume: gluster volume create....server1:/data1 server2:/data2
4. Mount the new volume via FUSE
5. Trigger a self-heal: find gluster-mount -noleaf -print0 | xargs 
--null stat >/dev/null

I also heard that there could be GFID problem if the data was previously 
in another Gluster volume.

Jeff White - Linux/Unix Systems Engineer
University of Pittsburgh - CSSD

On 12/15/2011 01:48 PM, Harry Mangalam wrote:
> The use case is that we have a multiTB data partition that we would 
> like to glusterize. Could we add that store to a gluster volume and 
> have it explicitly rebalance across the gluster volume? Or would the 
> existing files/layout be ignored?
> this would be a big selling point in justifying gluster to owners of 
> large existing data stores.
> -- 
> Harry Mangalam - Research Computing, OIT, Rm 225 MSTB, UC Irvine
> [ZOT 2225] / 92697 Google Voice Multiplexer: (949) 478-4487
> MSTB Lat/Long: (33.642025,-117.844414) (paste into Google Maps)
> --
> This signature has been OCCUPIED!
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