On Wed, Aug 13, 2014 at 04:17:11PM +0530, M S Vishwanath Bhat wrote: > On 13/08/14 02:27, David F. Robinson wrote: > >I was hoping someone could help me debug my geo-replication under > >gluster 3.5.2. > >I am trying to use geo-replication to create a lagged backup of my > >data. What I wanted to do was to turn off the geo-replication > >(gluster volume geo-replication homegfs > >gfsib01bkp.corvidtec.com::homegfs_bkp stop) during the day, and > >then turn it back on at midnight to allow the remote system to > >sync. > >If I stop the geo-replication, delete a file, and then restart the > >geo-replication, the deletion never shows up on the slave system. > >From the website below, I thought that it would pick up these > >changes. Any suggestions for how I can get the changes made while > >the geo-replication is stopped to propagate after restart the > >geo-replication? > This is a known issue with glusterfs-3.5.2. The problem is xsync can > not handle deletes and renames. So when you restart the geo-rep, the > change detection mechanism falls back to xsync even though the > Changelog was ON, the whole time. So deletes and renames won't be > propagated to slave in 3.5.2 > > The patch to fix this issue is already submitted and is present in > glusterfs master branch. The fix should be available in > glusterfs-3.6 soon. Can you point me to the bug/patch, or clone the bug for 3.5 and provide a backport? Thanks, Niels > > Best Regards, > Vishwanath > > >https://medium.com/@msvbhat/distributed-geo-replication-in-glusterfs-ec95f4393c50 > > > >*/gluster volume geo-replication <master_volume> > ><slave_volume>::<slave_volume> stop [force]/* > > > >Force option is to be used, when one of the node (or glusterd in > >one of the node) is down. Once stopped, the session can be > >restarted any time. Note that upon restarting of the session, the > >change detection mechanism falls back to xsync mode. This happens > >even though you have changelog generating journals, while the > >geo-rep session is stopped. > > > > > > > >_______________________________________________ > >Gluster-users mailing list > >Gluster-users@xxxxxxxxxxx > >http://supercolony.gluster.org/mailman/listinfo/gluster-users > > _______________________________________________ > Gluster-users mailing list > Gluster-users@xxxxxxxxxxx > http://supercolony.gluster.org/mailman/listinfo/gluster-users _______________________________________________ Gluster-users mailing list Gluster-users@xxxxxxxxxxx http://supercolony.gluster.org/mailman/listinfo/gluster-users
