Sahina Bose
2016-Feb-23 10:29 UTC
[Gluster-users] Issues removing then adding a brick to a replica volume (Gluster 3.7.6)
On 01/18/2016 07:38 PM, Lindsay Mathieson wrote:> On 18/01/2016 10:24 PM, Krutika Dhananjay wrote: >> Heal _is_ necessary when you add a brick that changes the replica >> count from n to (n+1). Now the new brick that is also part of the >> existing replica set is lagging with respect to the existing bricks >> and needs to be brought in sync with these. All files and directories >> in vna and/or vnb will be healed to vng in your case. > > Yes I realise that :) > > I was under the impression that heal info lists the files that are the > src of the heal, e.g all the files on vna & vnb. > > vng which is blank would only be receiving files. > >> Yes, there is a bug report for this @ >> https://bugzilla.redhat.com/show_bug.cgi?id=1112158. >> The workaround, like you yourself figured, is to run the command on >> the node with the highest uuid. >> Steps: >> 1) Collect output of `cat /var/lib/glusterd/glusterd.info | grep >> UUID` from each of the nodes, perhaps into a file named 'uuid.txt'. >> 2) cat uuid.txt | sort >> 3) Pick the last gfid. >> 4) find out which of the glusterd.info files has the same uuid as >> this selected uuid. >> 5) Run 'heal info full' on that same node. >> > > Will do. > > And I still have the problem with the files becoming unreadable when > adding a brick.Late jumping into this thread, but curious - Is there a specific reason that you are removing and adding a brick? Will replace-brick not work for you?> > Thanks, > > > -- > Lindsay Mathieson > > > _______________________________________________ > Gluster-users mailing list > Gluster-users at gluster.org > http://www.gluster.org/mailman/listinfo/gluster-users-------------- next part -------------- An HTML attachment was scrubbed... URL: <http://www.gluster.org/pipermail/gluster-users/attachments/20160223/e0173fb7/attachment.html>
Lindsay Mathieson
2016-Feb-23 11:04 UTC
[Gluster-users] Issues removing then adding a brick to a replica volume (Gluster 3.7.6)
On 23/02/2016 8:29 PM, Sahina Bose wrote:> Late jumping into this thread, but curious - > > Is there a specific reason that you are removing and adding a brick? > Will replace-brick not work for you?Testing procedures for replacing a failed brick (disk crash etc), -- Lindsay Mathieson