Verify if there are any heals towards the 4.4 node -> If not, proceed.

use remove-brick replica 1 mode (see gluster volume help) and remove both 4.5 bricks.

Then remove the nodes with gluster peer detach.

Remove gluster 4.5 and install 4.4

Then setup only 1 node's brick (mkfs.xfs-f -i size=512 ...) , peer probe that node and expand the volume (add-brick replica 2) .

N.B.: Don't forget to increase the replica count !!!

Wait for the heals to end, peer probe the last node, mkfs.xfs the brick and then again add-brick and increase the replica count.

Of course, backups are must when you play with storage :D

On Tue, May 10, 2022 at 1:01, Abe E
<aellahib@gmail.com> wrote:

Spoke too soon, the above + it seems occasionally the gluster on 2 nodes reports Cluster quorum is not met. I did have to at one point rebuild the glusters which includes the bricks, am I at the point where I should be resetting the brick on a node?

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