On Mon, 2019-04-08 at 09:01 -0400, Tom Fite wrote: > Thanks for the idea, Poornima. Testing shows that xfsdump and > xfsrestore is much faster than rsync since it handles small files > much better. I don't have extra space to store the dumps but I was > able to figure out how to pipe the xfsdump and restore via ssh. For > anyone else that's interested: > > On source machine, run: > > xfsdump -J - /dev/mapper/[vg]-[brick] | ssh root@[destination fqdn] > xfsrestore -J - [/path/to/brick] Nice. Thanks for sharing > > -Tom > > On Mon, Apr 1, 2019 at 9:56 PM Poornima Gurusiddaiah < > pgurusid@xxxxxxxxxx> wrote: > > You could also try xfsdump and xfsrestore if you brick filesystem > > is xfs and the destination disk can be attached locally? This will > > be much faster. > > > > Regards, > > Poornima > > > > On Tue, Apr 2, 2019, 12:05 AM Tom Fite <tomfite@xxxxxxxxx> wrote: > > > Hi all, > > > > > > I have a very large (65 TB) brick in a replica 2 volume that > > > needs to be re-copied from scratch. A heal will take a very long > > > time with performance degradation on the volume so I investigated > > > using rsync to do the brunt of the work. > > > > > > The command: > > > > > > rsync -av -H -X --numeric-ids --progress server1:/data/brick1/gv0 > > > /data/brick1/ > > > > > > Running with -H assures that the hard links in .glusterfs are > > > preserved, and -X preserves all of gluster's extended attributes. > > > > > > I've tested this on my test environment as follows: > > > > > > 1. Stop glusterd and kill procs > > > 2. Move brick volume to backup dir > > > 3. Run rsync > > > 4. Start glusterd > > > 5. Observe gluster status > > > > > > All appears to be working correctly. Gluster status reports all > > > bricks online, all data is accessible in the volume, and I don't > > > see any errors in the logs. > > > > > > Anybody else have experience trying this? > > > > > > Thanks > > > -Tom > > > _______________________________________________ > > > Gluster-users mailing list > > > Gluster-users@xxxxxxxxxxx > > > https://lists.gluster.org/mailman/listinfo/gluster-users > > _______________________________________________ > Gluster-users mailing list > Gluster-users@xxxxxxxxxxx > https://lists.gluster.org/mailman/listinfo/gluster-users -- regards Aravinda _______________________________________________ Gluster-users mailing list Gluster-users@xxxxxxxxxxx https://lists.gluster.org/mailman/listinfo/gluster-users
