[ovirt-users] On 3.6.6, tried doing a live VM storage migration... didn't work

[Fred Rolland]

Hi,

Can you please open a bug and provide logs from engine and VDSM ?

http://www.ovirt.org/community/get-involved/report-a-bug/

Thanks,

Fred


On Thu, May 26, 2016 at 10:35 AM, Markus Stockhausen <
stockhausen at collogia.de> wrote:

> I know of at least one live Disk Migration issue with Multi Disk VMs.
>
> https://bugzilla.redhat.com/show_bug.cgi?id=1319400
>
> Might be totally different but I must admit that this feature had several
> ups and downs the last years.
>
> Markus
> Am 26.05.2016 3:50 vorm. schrieb Christopher Cox <ccox at endlessnow.com>:
>
> In our old 3.4 ovirt, I know I've migrated storage on live VMs and
> everything
> seemed to work.
>
> However on 3.6.6, I tried this and I saw the warning about moving storage
> on a
> live VM (it wasn't doing much of anything) and I went ahead and migrated
> the
> storage from one storage domain to another.   But when it was through,
> even
> though the VM was still alive, when I tried to write to a virtual disk
> that was
> part of the move, it paused the VM saying there wasn't enough storage.
>
> I could unpause the VM, but in a few seconds, with things writing to the
> virtual
> disk, again it was paused with the same out of space message.  Vdsm logs
> showed
> the enospc return code... so it made sense, it's just that the VM shows
> plenty
> of storage there.  Once I rebooted the VM, everything went back to normal.
>
> So is moving storage for a live VM not supported?  I guess we got lucky in
> our
> 3.4 system (?)
>
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