Bug reported: Bug 1547446 Thanks! Marcus On Wed, Feb 21, 2018 at 02:44:00PM +0530, Kotresh Hiremath Ravishankar wrote: > Hi, > > Thanks for reporting the issue. This seems to be a bug. > Could you please raise a bug at https://bugzilla.redhat.com/ under > community/glusterfs ? > We will take a look at it and fix it. > > Thanks, > Kotresh HR > > On Wed, Feb 21, 2018 at 2:01 PM, Marcus Pedersén <marcus.pedersen@xxxxxx> > wrote: > > > Hi all, > > I use gluster 3.12 on centos 7. > > I am writing a snapshot program for my geo-replicated cluster. > > Now when I started to run tests with my application I have found > > a very strange behavior regarding geo-replication in gluster. > > > > I have setup my geo-replication according to the docs: > > http://docs.gluster.org/en/latest/Administrator%20Guide/Geo%20Replication/ > > > > Both master and slave clusters are replicated with just two > > machines (VM) and no arbiter. > > > > I have setup a geo-user (called geouser) and do not use > > root as the geo user, as specified in the docs. > > > > Both my master and slave volumes are named: vol > > > > If I pause the geo-replication with: > > gluster volume geo-replication vol geouser@ggluster1-geo::vol pause > > Pausing geo-replication session between vol & geouser@ggluster1-geo::vol > > has been successful > > > > Create a snapshot: > > gluster snapshot create my_snap_no_1000 vol > > snapshot create: success: Snap my_snap_no_1000-2018.02.21-07.45.32 > > created successfully > > > > Resume geo-replication: > > gluster volume geo-replication vol geouser@ggluster1-geo::vol resume > > Resuming geo-replication session between vol & geouser@ggluster1-geo::vol > > has been successful > > > > > > Everything works fine! > > > > But here comes the problem: > > If I by accident spell my slave user wrong or don't use > > the user at all, as I was using root, > > no matter what user I write pause/resume do NOT report > > any errors. The answer is always pausing/resuming successful. > > The problem comes after a successful pause when I try to > > create a snapshot. It fails with: > > snapshot create: failed: geo-replication session is running for the volume > > vol. Session needs to be stopped before taking a snapshot. > > > > gluster volume geo-replication status > > MASTER NODE MASTER VOL MASTER BRICK SLAVE USER SLAVE > > SLAVE NODE STATUS CRAWL STATUS LAST_SYNCED > > ------------------------------------------------------------ > > ------------------------------------------------------------ > > ------------------------- > > ggluster1 vol /gluster geouser > > ssh://geouser@ggluster1-geo::vol N/A Paused N/A > > N/A > > ggluster2 vol /gluster geouser > > ssh://geouser@ggluster1-geo::vol N/A Paused N/A > > N/A > > > > > > After this snapshots fails all the time! > > If I use the correct user again and pause, no error (paused), snapshot > > fails. > > If I resume with correct user, no errors (active). > > Geo-replication still works fine, but some how has something > > gone wrong so snapshots fail. > > After restart of glusterd in all machines it starts to work again. > > > > > > Here is complete run through: > > > > gluster volume geo-replication status > > > > MASTER NODE MASTER VOL MASTER BRICK SLAVE USER SLAVE > > SLAVE NODE STATUS CRAWL STATUS > > LAST_SYNCED > > ------------------------------------------------------------ > > ------------------------------------------------------------ > > ---------------------------------------- > > ggluster1 vol /gluster geouser > > ssh://geouser@ggluster1-geo::vol ggluster1-geo Active > > Changelog Crawl 2018-02-12 15:49:57 > > ggluster2 vol /gluster geouser > > ssh://geouser@ggluster1-geo::vol ggluster2-geo Passive N/A > > N/A > > > > # Using wrong user: abc > > gluster volume geo-replication vol abc@ggluster1-geo::vol pause > > Pausing geo-replication session between vol & abc@ggluster1-geo::vol has > > been successful > > > > > > gluster volume geo-replication status > > > > MASTER NODE MASTER VOL MASTER BRICK SLAVE USER SLAVE > > SLAVE NODE STATUS CRAWL STATUS LAST_SYNCED > > ------------------------------------------------------------ > > ------------------------------------------------------------ > > ------------------------- > > ggluster1 vol /gluster geouser > > ssh://geouser@ggluster1-geo::vol N/A Paused N/A > > N/A > > ggluster2 vol /gluster geouser > > ssh://geouser@ggluster1-geo::vol N/A Paused N/A > > N/A > > > > > > gluster snapshot create snap_vol_1000 vol > > snapshot create: failed: geo-replication session is running for the volume > > vol. Session needs to be stopped before taking a snapshot. > > > > # Using wrong user: abc > > gluster volume geo-replication vol abc@ggluster1-geo::vol resume > > Resuming geo-replication session between vol & ggluster1-geo::vol has been > > successful > > > > > > gluster volume geo-replication status > > > > MASTER NODE MASTER VOL MASTER BRICK SLAVE USER SLAVE > > SLAVE NODE STATUS CRAWL STATUS > > LAST_SYNCED > > ------------------------------------------------------------ > > ------------------------------------------------------------ > > ---------------------------------------- > > ggluster1 vol /gluster geouser > > ssh://geouser@ggluster1-geo::vol ggluster1-geo Active > > Changelog Crawl 2018-02-12 15:49:57 > > ggluster2 vol /gluster geouser > > ssh://geouser@ggluster1-geo::vol ggluster2-geo Passive N/A > > N/A > > > > > > Many thanks in advance! > > > > Best regards > > Marcus > > > > > > -- > > ************************************************** > > * Marcus Pedersén * > > * System administrator * > > ************************************************** > > * Interbull Centre * > > * ================ * > > * Department of Animal Breeding & Genetics — SLU * > > * Box 7023, SE-750 07 * > > * Uppsala, Sweden * > > ************************************************** > > * Visiting address: * > > * Room 55614, Ulls väg 26, Ultuna * > > * Uppsala * > > * Sweden * > > * * > > * Tel: +46-(0)18-67 1962 * > > * * > > ************************************************** > > * ISO 9001 Bureau Veritas No SE004561-1 * > > ************************************************** > > _______________________________________________ > > Gluster-users mailing list > > Gluster-users@xxxxxxxxxxx > > http://lists.gluster.org/mailman/listinfo/gluster-users > > > > > -- > Thanks and Regards, > Kotresh H R -- ************************************************** * Marcus Pedersén * * System administrator * ************************************************** * Interbull Centre * * ================ * * Department of Animal Breeding & Genetics — SLU * * Box 7023, SE-750 07 * * Uppsala, Sweden * ************************************************** * Visiting address: * * Room 55614, Ulls väg 26, Ultuna * * Uppsala * * Sweden * * * * Tel: +46-(0)18-67 1962 * * * ************************************************** * ISO 9001 Bureau Veritas No SE004561-1 * ************************************************** _______________________________________________ Gluster-users mailing list Gluster-users@xxxxxxxxxxx http://lists.gluster.org/mailman/listinfo/gluster-users
