Hello Gabriel, Any specific reason you are looking to expand storage for engine volume? If you are running a HC setup recommended way of upgrading the setup is to add three more hosts to the existing cluster and create volumes out of the bricks carved from those additional hosts . We do not recommend adding bricks to existing volumes in the HC setup as it might lead to some issues. Hope this helps !!! Thanks kasturi On Tue, Dec 19, 2017 at 3:05 PM, Gabriel Stein <gabrielstein@gmail.com> wrote:

Hi all,

I know, that oVirt with Hosted Engine requires a replica 3 glusterfs volume, but I'm using 4 nodes and I would like to know if is possible to add it to the glusterfs engine volume.

Or should I always use 3, 5 and 7 hosts with hosted-engine?

What I'm doing:

gluster volume add-brick engine server1:/gluster/engine/brick1 server2:/gluster/engine/brick1 server3:/gluster/engine/brick1 server4:/gluster/engine/brick1

Error: volume add-brick: failed: Incorrect number of bricks supplied 4 with count 3

If I'm using replica 3 will not be possible, but how can I upgrade it? Adding 2 more nodes and upgrade to replica 5?

Thanks in Advance!

Best Regards

Gabriel Stein

Gabriel Stein ------------------------------ Gabriel Ferraz Stein Tel.: +49 (0) 170 2881531

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