[Bugs] [Bug 1672318] "failed to fetch volume file" when trying to activate host in DC with glusterfs 3.12 domains

[bugzilla at redhat.com]

https://bugzilla.redhat.com/show_bug.cgi?id=1672318

Atin Mukherjee <amukherj at redhat.com> changed:

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--- Comment #27 from Atin Mukherjee <amukherj at redhat.com> ---
Since I'm unable to reproduce this even after multiple attempts, the only
possibility I have to make some progress on this is by asking you to test
different combinations, I understand that this might make you frustrated but I
have no other way at this point of time to pinpoint this. In my local setup I
tried every possible options to simulate this but had no success.

As I explained in comment 24, it seems like that client couldn't get the
volfile from glusterd running in *.15 instance. However since there's no log
entry in INFO mode in glusterd which could indicate the possibility of this
failure can I request you to do the following if possible?

1. Run 'pkill glusterd; glusterd ' on *.15 node
2. Attempt to mount the client.
3. Find out the failure log of 'failed to fetch volume file'  and see the
timestamp. From glusterd log map this timestamp and send us the snippet of the
log entries around this timestamp.
4. Run gluster v info command from all the nodes and paste back the output
5. Provide the output of 'gluster v get all cluster.op-version' from one of the
nodes

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