[Gluster-users] Expand distributed replicated volume with new set of smaller bricks

Anh Vo vtqanh at gmail.com
Wed Apr 4 06:28:39 UTC 2018

We are using 3.8.15 I believe (the one comes with ubuntu 16.04). Do you
know when this was fixed?


On Tue, Apr 3, 2018 at 11:24 PM Nithya Balachandran <nbalacha at redhat.com>

> Hi,
> Yes this is possible. Make sure you have cluster.weighted-rebalance
> enabled for the volume and run rebalance with the start force option.
> Which version of gluster are you running (we fixed a bug around this a
> while ago)?
> Regards,
> Nithya
> On 4 April 2018 at 11:36, Anh Vo <vtqanh at gmail.com> wrote:
>> We currently have a 3 node gluster setup each has a 100TB brick (total
>> 300TB, usable 100TB due to replica factor 3)
>> We would like to expand the existing volume by adding another 3 nodes,
>> but each will only have a 50TB brick. I think this is possible, but will it
>> affect gluster performance and if so, by how much. Assuming we run a
>> rebalance with force option, will this distribute the existing data
>> proportionally? I.e., if the current 100TB volume has 60 TB, will it
>> distribute 20TB to the new set of servers?
>> Thanks
>> _______________________________________________
>> Gluster-users mailing list
>> Gluster-users at gluster.org
>> http://lists.gluster.org/mailman/listinfo/gluster-users
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