By the way, I have been left with the impresssion that data is transferred via 'rsync' and not via FUSE. Am I wrong ? Best Regards, Strahil NikolovOn Oct 16, 2019 19:59, Alexander Iliev <ailiev+gluster@xxxxxxxxx> wrote: > > Hi Aravinda, > > All volume brick on the slave volume are up and the volume seems functional. > > Your suggestion about trying to mount the slave volume on a master node > brings up my question about network connectivity again - the GlusterFS > documentation[1] says: > > > The server specified in the mount command is only used to fetch the > gluster configuration volfile describing the volume name. Subsequently, > the client will communicate directly with the servers mentioned in the > volfile (which might not even include the one used for mount). > > To me this means that the masternode from your example is expected to > have connectivity to the network where the slave volume runs, i.e. to > have network access to the slave nodes. In my geo-replication scenario > this is definitely not the case. The two cluster are running in two > completely different networks that are not interconnected. > > So my question is - how is the slave volume mount expected to happen if > the client host cannot access the GlusterFS nodes? Or is the > connectivity a requirement even for geo-replication? > > I'm not sure if I'm missing something, but any help will be highly > appreciated! > > Thanks! > > Links: > [1] > https://gluster.readthedocs.io/en/latest/Administrator%20Guide/Setting%20Up%20Clients/ > -- > alexander iliev > > On 10/16/19 6:03 AM, Aravinda Vishwanathapura Krishna Murthy wrote: > > Hi Alexander, > > > > Please check the status of Volume. Looks like the Slave volume mount is > > failing because bricks are down or not reachable. If Volume status shows > > all bricks are up then try mounting the slave volume using mount command. > > > > ``` > > masternode$ mkdir /mnt/vol > > masternode$ mount -t glusterfs <slavehost>:<slavevol> /mnt/vol > > ``` > > > > On Fri, Oct 11, 2019 at 4:03 AM Alexander Iliev > > <ailiev+gluster@xxxxxxxxx <mailto:ailiev%2Bgluster@xxxxxxxxx>> wrote: > > > > Hi all, > > > > I ended up reinstalling the nodes with CentOS 7.5 and GlusterFS 6.5 > > (installed from the SIG.) > > > > Now when I try to create a replication session I get the following: > > > > > # gluster volume geo-replication store1 <slave-host>::store2 create > > push-pem > > > Unable to mount and fetch slave volume details. Please check the > > log: > > /var/log/glusterfs/geo-replication/gverify-slavemnt.log > > > geo-replication command failed > > > > You can find the contents of gverify-slavemnt.log below, but the > > initial > > error seems to be: > > > > > [2019-10-10 22:07:51.578519] E > > [fuse-bridge.c:5211:fuse_first_lookup] > > 0-fuse: first lookup on root failed (Transport endpoint is not > > connected) > > > > I only found > > [this](https://bugzilla.redhat.com/show_bug.cgi?id=1659824) > > bug report which doesn't seem to help. The reported issue is failure to > > mount a volume on a GlusterFS client, but in my case I need > > geo-replication which implies the client (geo-replication master) being > > on a different network. > > > > Any help will be appreciated. > > > > Thanks! > > > > gverify-slavemnt.log: > > > > > [2019-10-10 22:07:40.571256] I [MSGID: 100030] > > [glusterfsd.c:2847:main] 0-glusterfs: Started running glusterfs version > > 6.5 (args: glusterfs --xlator-option=*dht.lookup-unhashed=off > > --volfile-server <slave-host> --volfile-id store2 -l > > /var/log/glusterfs/geo-replication/gverify-slavemnt.log > > /tmp/gverify.sh.5nFlRh) > > > [2019-10-10 22:07:40.575438] I [glusterfsd.c:2556:daemonize] > > 0-glusterfs: Pid of current running process is 6021 > > > [2019-10-10 22:07:40.584282] I [MSGID: 101190] > > [event-epoll.c:680:event_dispatch_epoll_worker] 0-epoll: Started thread > > with index 0 > > > [2019-10-10 22:07:40.584299] I [MSGID: 101190] > > ________ Community Meeting Calendar: APAC Schedule - Every 2nd and 4th Tuesday at 11:30 AM IST Bridge: https://bluejeans.com/118564314 NA/EMEA Schedule - Every 1st and 3rd Tuesday at 01:00 PM EDT Bridge: https://bluejeans.com/118564314 Gluster-users mailing list Gluster-users@xxxxxxxxxxx https://lists.gluster.org/mailman/listinfo/gluster-users
