[Gluster-users] Remove and re-add bricks/peers

[Tom Cannaerts - INTRACTO]

We had some issues with a volume. The volume is a 3 replica volume with 3
gluster 3.5.7 peers. We are now in a situation where only 1 of the 3 nodes
is operational. If we restart the node on one of the other nodes, the
entire volume becomes unresponsive.

After a lot of trial and error, we have come to the conclusion that we do
not wan't to try to rejoin the other 2 nodes in the current form. We would
like to completely remove them from the config of the running node,
entirely reset the config on the nodes itself and then re-add them as if it
was a new node, having it completely sync the volume from the working node.

What would be the correct procedure for this? I assume I can use "gluster
volume remove-brick" to force-remove the failed bricks from the volume and
decrease the replica count, and then use "gluster peer detach" to
force-remove the peers from the config, all on the currently still working
node. But what do I need to do to completely clear the config and data of
the failed peers? The gluster processes are currently not running on these
nodes, but config + data are still present. So basically, I need to be able
to clean them out before restarting them, so that they start in a clean
state and not try to connect/interfere with the currently still working
node.

Thanks,

Tom


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Tom Cannaerts


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