[ovirt-users] thin_check run on VM disk by host on startup ?!

[Rik Theys]

On 08/30/2016 02:51 PM, Rik Theys wrote:
> While rebooting one of the hosts in an oVirt cluster, I noticed that
> thin_check is run on the thin pool devices of one of the VM's on which
> the disk is assigned to.
> 
> That seems strange to me. I would expect the host to stay clear of any
> VM disks.

> We had a thin pool completely break on an VM a while ago and I never
> determined the root cause (was a test VM). If the host changed something
> on the disk while the VM was running on the other host this might have
> been the root cause.

I just rebooted the affected VM and indeed the systems fails to activate
the thinpool now :-(.

When I try to activate it I get:

Check of pool maildata/pool0 failed: (status:1). Manual repair required!
0 logical volume(s) in volume group "maildata" now active.

Mvg,

Rik


-- 
Rik Theys
System Engineer
KU Leuven - Dept. Elektrotechniek (ESAT)
Kasteelpark Arenberg 10 bus 2440  - B-3001 Leuven-Heverlee
+32(0)16/32.11.07
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