[Gluster-users] data corruption - any update?

[Nithya Balachandran]

On 11 October 2017 at 22:21, <lemonnierk at ulrar.net> wrote:

> > corruption happens only in this cases:
> >
> > - volume with shard enabled
> > AND
> > - rebalance operation
> >
>
> I believe so
>
> > So, what If I have to replace a failed brick/disks ? Will this trigger
> > a rebalance and then corruption?
> >
> > rebalance, is only needed when you have to expend a volume, ie by
> > adding more bricks ?
>
> That's correct, replacing a brick shouldn't cause corruption, I've done
> it a few times without any problems. As long as you don't expand the
> cluster, you are fine.
>
> Basically you can add or remove replicas all you want, but you can't add
> new replica sets.
>

Or remove a replica set. An add-brick will not trigger a rebalance - that
needs to be done explicitly. However, a remove-brick will start the
rebalance automatically.

Regards,
Nithya

>
> _______________________________________________
> Gluster-users mailing list
> Gluster-users at gluster.org
> http://lists.gluster.org/mailman/listinfo/gluster-users
>
-------------- next part --------------
An HTML attachment was scrubbed...
URL: <http://lists.gluster.org/pipermail/gluster-users/attachments/20171012/cbf10c6b/attachment.html>