[Gluster-devel] Fwd: Behaviour of simple distributed volumes on failed bricks?

[Raghavendra G]

On Thu, Jan 12, 2017 at 9:20 AM, B.K.Raghuram <bkrram at gmail.com> wrote:

> cc'ing devel as well for some developer insight..
>
> ---------- Forwarded message ----------
> To: gluster-users <gluster-users at gluster.org>
>
>
> I had a question on the expected behaviour of simple distributed volumes
> when a brick fails for the following scenarios (as in, will the scenario
> succeed for fail) :
>
> - New file creation if that file name hashes to the failed brick
>

Fails


> - New file creation if that file name hashes to one of the remaining
> functional brick
>

Succeeds

- New directory creation if that file name hashes to the failed brick
>

Fails


> - New directory creation if that file name hashes to one of the remaining
> functional brick
>

Succeeds. Layout is spread only to the functional bricks. Non-functional
bricks are not part of layout of the directory. In other words files of the
directory won't be stored in non-functional bricks


> - File modifications/deletions if that file name hashes to the failed brick
>

Fails


> - File modifications/deletions if that file name hashes to one of the
> remaining functional brick
>

Succeeds


> - Directory renames/deletions if that file name hashes to the failed brick
>

Fails


> - Directory renames/deletions if that file name hashes to one of the
> remaining functional brick
>

Fails


>
>
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> --
> Raghavendra G
>
> <http://www.gluster.org/mailman/listinfo/gluster-devel>

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