We currently have a small pilot gluster setup as Replica 2 + 1 (arbiter)
As a DR test we decided to see that to see what would happen when taking one of the replicas offline. For the first couple of hours everything seemed fine and then one of my colleagues tried to a directory with files via samba from a windows client by using robocopy.
At this point it starting to go wrong. The brick went offline, I could force it online but when trying to manipulate files on the volume the brick kept going offline.
Some Examples of trying to manipulate the files from the mounted gluster volume:
rm -rf a Directory: "Directory not empty"
on an empty directory ls -la : "total 0" ( didn't show "." or ".." )
After bringing the partner replica up the brick on the system that was never shutdown kept going offline. In the end I ended up restoring the volume from a gluster snapshot from the night before and then everything seemed fine again.
This morning I was made aware that creating a new directory via samba resulted in 5 New folders being created. Restarting glusterd has made the issue go away for now.
This is on Centos 7.3 with gluster 3.10.3-1 and samba 4.4.4-14
Can anyone help ?
Thanks
Gary Lloyd
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I.T. Systems:Keele University
Finance & IT Directorate
Finance & IT Directorate
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