[Bugs] [Bug 1633669] Gluster bricks fails frequently

[bugzilla at redhat.com]

https://bugzilla.redhat.com/show_bug.cgi?id=1633669

Jaime Dulzura <jaime.dulzura at cevalogistics.com> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
             Status|NEW                         |CLOSED
         Resolution|---                         |DEFERRED
        Last Closed|                            |2018-11-21 19:22:12



--- Comment #9 from Jaime Dulzura <jaime.dulzura at cevalogistics.com> ---
i forgot to mention that on our initial setup we include monitoring agent
"TENDRL". We install the monitoring with default configuration based on the
installation instruction. We are happy with the monitoring since it gives us
too much information we need.

In oour observation, there is a core-dump referring to glusterfsd process was
killed due to accessing restricted memory and at /var/log/messages there was a
brute force access of tendrl agent to the shared volume.

With the above observation, we've decided to reinstall everything and remove
TENDRL monitoring in the equation. Then viola, there was no bricks failing for
more than a months now.

It could be a bug or not but after we remove tendrl agent, the bricks never
fails again.

And yet we are now facing the well known bug from previous releases of
NFS-Ganesha with GLUSTERFS volume exports, the OOM killer kills ganesha daemon.
I will raise a separate bug report based on how we acquire the ganesha process
being forcefully killed by OOM killer.

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