Since oVirt 4.4 , the stage that deploys the oVirt node/host is adding an lvm filter in /etc/lvm/lvm.conf which is the reason behind that. Best Regards, Strahil Nikolov В петък, 25 септември 2020 г., 20:52:13 Гринуич+3, Staniforth, Paul <p.staniforth(a)leedsbeckett.ac.uk&gt; написа: Thanks,              the gluster volume is just a test and the main reason was to test the upgrade of a node with gluster bricks. I don't know why lvm doesn\t work which is what oVirt is using. Regards,                Paul S. ________________________________ From: Strahil Nikolov <hunter86_bg(a)yahoo.com&gt; Sent: 25 September 2020 18:28 To: Users <users(a)ovirt.org>; Staniforth, Paul <P.Staniforth(a)leedsbeckett.ac.uk&gt; Subject: Re: [ovirt-users] Node 4.4.1 gluster bricks   Caution External Mail: Do not click any links or open any attachments unless you trust the sender and know that the content is safe. If the last node from the original is untouched you can: 1. Go to the old host and use 'gluster volume remove-brick <VOL> replica 1 wiped_host:/path/to-brick untouched_bricks_host:/path/to-brick force' 2. Remove the 2 nodes that you have kicked away: gluster peer detach node2 gluster peer detach node3 3. Reinstall the wiped node and install gluster there 4. Create the filesystem on the brick: mkfs.xfs -i size=512 /dev/mapper/brick_block_device 5. Mount the Gluster (you can copy the fstab entry from the working node and adapt it) Here is an example: /dev/data/data1 /gluster_bricks/data1 xfs inode64,noatime,nodiratime,inode64,nouuid,context="system_u:object_r:glusterd_brick_t:s0" 0 0 6. Create the selinux label via 'semanage fcontext -a -t glusterd_brick_t "/gluster_bricks/data1(/.*)?"' (remove only the single quotes) and run 'restorecon -RFvv /gluster_bricks/data1' 7. Mount the FS and create a dir inside the mount point 8. Extend the gluster volume: 'gluster volume add-brick <VOL> replica 2 new_host:/gluster_bricks/<dir>/<subdir> 9. Run a full heal gluster volume heal <VOL> full 10. Repeat again and remember to never wipe 2 nodes at a time :) Good luck and take a look at Quick Start Guide - Gluster Docs Best Regards, Strahil Nikolov To view the terms under which this email is distributed, please go to:- http://leedsbeckett.ac.uk/disclaimer/email/