Before you reinstall the node , you should use 'gluster volume remove-brick <VOL> replica <old number - 1> ovirt_node:/path-to-brick' to reduce the volume to replica 2 (for example). Then you need to 'gluster peer detach ovirt_node' in order to fully cleanup the gluster TSP.

You will have to remove the bricks that are on that < ovirt_node > before detaching it.

Once you reinstall with EL 8, you can 'gluster peer probe <reinstalled_ovirt_node>' and then 'gluster volume add-brick <VOL> replica <current count + 1> reinstalled_ovirt_node:/path-to-brick.

Note that reusing bricks is not very easy, so just wipe the data via 'mkfs.xfs -i size=512 /dev/block/device'.

Once all volumes are again a replica 3 , just wait for the healing to go over and you can proceed with the oVirt part.

Best Regards,
Strahil Nikolov






В сряда, 23 септември 2020 г., 20:45:30 Гринуич+3, Vincent Royer <vincent@epicenergy.ca> написа:





My confusion is that those documents do not describe any gluster related tasks for Ovirt Nodes.  When I take a node down and install Ovirt Node 4.4 on it, won't all the gluster bricks on that node be lost?  The part describing "preserving local storage", that isn't anything about Gluster, correct?


Vincent Royer
778-825-1057


SUSTAINABLE MOBILE ENERGY SOLUTIONS





On Tue, Sep 22, 2020 at 8:31 PM Ritesh Chikatwar <rchikatw@redhat.com> wrote:
> Vincent,
>
>
> This document will be useful
> https://www.ovirt.org/documentation/upgrade_guide/#Upgrading_the_Manager_to_4-4_4-3_SHE
>
> On Wed, Sep 23, 2020, 3:55 AM Vincent Royer <vincent@epicenergy.ca> wrote:
>> I have 3 nodes running node ng 4.3.9 with a gluster/hci cluster.  How do I upgrade to 4.4?  Is there a guide?
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