Hello dear GlusterFS users list,
I have been trying to set up geo-replication between two clusters for
some time now. The desired state is (Cluster #1) being replicated to
(Cluster #2).
Here are some details about the setup:
Cluster #1: three nodes connected via a local network (172.31.35.0/24),
one replicated (3 replica) volume.
Cluster #2: three nodes connected via a local network (172.31.36.0/24),
one replicated (3 replica) volume.
The two clusters are connected to the Internet via separate network
adapters.
Only SSH (port 22) is open on cluster #2 nodes' adapters connected to
the Internet.
All nodes are running Ubuntu 18.04 and GlusterFS 6.3 installed from [1].
The first time I followed the guide[2] everything went fine up until I
reached the "Create the session" step. That was like a month ago, then I
had to temporarily stop working in this and now I am coming back to it.
Currently, if I try to see the mountbroker status I get the following:
# gluster-mountbroker status
Traceback (most recent call last):
File "/usr/sbin/gluster-mountbroker", line 396, in <module>
runcli()
File "/usr/lib/python3/dist-packages/gluster/cliutils/cliutils.py", line 225, in runcli
cls.run(args)
File "/usr/sbin/gluster-mountbroker", line 275, in run
out = execute_in_peers("node-status")
File "/usr/lib/python3/dist-packages/gluster/cliutils/cliutils.py",
line 127, in execute_in_peers
raise GlusterCmdException((rc, out, err, " ".join(cmd)))
gluster.cliutils.cliutils.GlusterCmdException: (1, '', 'Unable to
end. Error : Success\n', 'gluster system:: execute mountbroker.py
node-status')
And in /var/log/gluster/glusterd.log I have:
[2019-08-10 15:24:21.418834] E [MSGID: 106336]
[glusterd-geo-rep.c:5413:glusterd_op_sys_exec] 0-management: Unable to
end. Error : Success
[2019-08-10 15:24:21.418908] E [MSGID: 106122]
[glusterd-syncop.c:1445:gd_commit_op_phase] 0-management: Commit of
operation 'Volume Execute system commands' failed on localhost : Unable
to end. Error : Success
So, I have two questions right now:
1) Is there anything wrong with my setup (networking, open ports, etc.)?
Is it expected to work with this setup or should I redo it in a
different way?
2) How can I troubleshoot the current status of my setup? Can I find out
what's missing/wrong and continue from there or should I just start from
scratch?
Links:
[1] http://ppa.launchpad.net/gluster/glusterfs-6/ubuntu
[2]
https://docs.gluster.org/en/latest/Administrator%20Guide/Geo%20Replication/
Thank you!
Best regards,
--
alexander iliev
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