On 04/05/2016 01:04 PM, ABHISHEK PALIWAL wrote: > Hi Team, > > We are using Gluster 3.7.6 and facing one problem in which brick is not > comming online after restart the board. > > To understand our setup, please look the following steps: > 1. We have two boards A and B on which Gluster volume is running in > replicated mode having one brick on each board. > 2. Gluster mount point is present on the Board A which is sharable > between number of processes. > 3. Till now our volume is in sync and everthing is working fine. > 4. Now we have test case in which we'll stop the glusterd, reboot the > Board B and when this board comes up, starts the glusterd again on it. > 5. We repeated Steps 4 multiple times to check the reliability of system. > 6. After the Step 4, sometimes system comes in working state (i.e. in > sync) but sometime we faces that brick of Board B is present in > “gluster volume status” command but not be online even waiting for > more than a minute. As I mentioned in another email thread until and unless the log shows the evidence that there was a reboot nothing can be concluded. The last log what you shared with us few days back didn't give any indication that brick process wasn't running. > 7. When the Step 4 is executing at the same time on Board A some > processes are started accessing the files from the Gluster mount point. > > As a solution to make this brick online, we found some existing issues > in gluster mailing list giving suggestion to use “gluster volume start > <vol_name> force” to make the brick 'offline' to 'online'. > > If we use “gluster volume start <vol_name> force” command. It will kill > the existing volume process and started the new process then what will > happen if other processes are accessing the same volume at the time when > volume process is killed by this command internally. Will it impact any > failure on these processes? This is not true, volume start force will start the brick processes only if they are not running. Running brick processes will not be interrupted. > > *Question : What could be contributing to brick offline?* > > > -- > > Regards > Abhishek Paliwal > > > _______________________________________________ > Gluster-devel mailing list > Gluster-devel@xxxxxxxxxxx > http://www.gluster.org/mailman/listinfo/gluster-devel > _______________________________________________ Gluster-users mailing list Gluster-users@xxxxxxxxxxx http://www.gluster.org/mailman/listinfo/gluster-users
