[Gluster-users] Issues with Geo-replication (GlusterFS 6.3 on Ubuntu 18.04)

[Sunny Kumar]

Hi Alexander,

Thanks for pointing that out!

But this issue is fixed now you can see below link for bz-link and patch.

BZ - https://bugzilla.redhat.com/show_bug.cgi?id=1709248

Patch - https://review.gluster.org/#/c/glusterfs/+/22716/

Hope this helps.

/sunny

On Fri, Aug 30, 2019 at 2:30 AM Alexander Iliev
<ailiev+gluster at mamul.org> wrote:
>
> 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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