Hi!

Bumping an old thread, because there’s now activity around this bug. The github 
issue is https://github.com/gluster/glusterfs/issues/2492
We just hit this bug after an update from GlusterFS 7.x to 9.4. We did not see 
this in our test environment, so we did the update, but the bug is still there. 
Apparently the fix should be https://github.com/gluster/glusterfs/pull/2509 
which should get backported to 9.x.

We worked around this issue by identifying the server with the bug and 
restarting the GlusterFS processes on it. On an EL/CentOS/Fedora-based system 
there was one small thing that surprised me, maybe this will help others.

There’s the service /usr/lib/systemd/system/glusterfsd.service which does not 
really start anything, just runs /bin/true, but when stopped, will kill the 
brick processes on the server. If you try doing “systemctl stop glusterfsd” but 
you have not started the service (even though starting it does nothing), 
systemd will not do anything. If you first start the service and then stop it, 
systemd will actually run the ExecStop command.


Best regards,
Ville-Pekka
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