[Gluster-users] Problem manipulating files when a replica is down

[Ravishankar N]

On 07/17/2017 02:40 PM, Gary Lloyd wrote:
> 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.

What do you mean by the brick going offline? The brick gets killed? What 
does the brick log say?

>
> 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.
Are you saying that each brick has the same directory created 5 times?
-Ravi
>
>
> 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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