[ovirt-users] Re: Damaged hard disk in volume replica gluster
On February 25, 2020 5:14:24 PM GMT+02:00, adrianquintero(a)gmail.com wrote:
Strahil,
Something that just came to my attention is that we have a second
cluster with VDO enabled, is there something out there that can explain
the process to accomplish a disk replacement with VDO?
Thanks,
Adrian
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Hi Adrian,
I'm also using VDO and thus my bricks are mounted via a '.mount' unit.
From Gluster perspective - it just requires a directory with enough space.
If the brick name is the same (same host) you have 2 options 'reset-brick' &
'replace-brick'.
So in your case you need:
1. VDO starts first
2. LVM scans the VDO and activates the VG using the VDO as PV
3. Systemd '.mount' unit mounts the brick
Note: Define in the mount unit requirements for the VDO service (or if you have a custom
VDO service for this VDO device only)
4. You replace the brick in order to restore the volume
Best Regards,
Strahil Nikolov