On Mon, May 13, 2019 at 06:19:05PM +0200, Lentes, Bernd wrote:
>
>
> - On May 13, 2019, at 3:34 PM, Bernd Lentes
> bernd.len...@helmholtz-muenchen.de wrote:
>
> > Hi,
> >
> > i have a two node HA-Cluster with several domains as resources.
> > Currently it's running in test mode.
> > Some domains (all on the same host) stopped running, virsh list shows them
> > as
> > "paused".
> > All stopped at the same time (11th of may, 7:00 am), my monitoring system
> > began
> > to yell.
> > I don't have any clue why this happened.
> > virsh domblkerror says for all the domains (5) "no space". The days before
> > the
> > domains were running fine and i know that all disks inside the domain should
> > have enough space.
> > Also the host is not running out of space.
> > The logs don't say anything sensefully, unfortunately i didn't have a log
> > for
> > the libvirtd daemon, i just configured that now.
> > The domains are stopped each day by cron at 10:30 pm for a short moment, a
> > snapshot is taken, domains are started again, the backing file is copied to
> > a
> > CIFS server and if that is finished the snapshot is blockcommited into the
> > backing file.
> > That's working fine already for several days. This cronjob creates a log and
> > it's looking fine.
> > The domains reside in naked Logical Volumes, the respective Volume Group has
> > enough space.
> >
> >
>
> I resumed one of the guests and it continued without any problem.
> The log doesn't indicate any problem, and df -h shows enough space on
> all partitions.
'virsh domstate --reason $GUEST'
will tell you what event caused the guest to pause in the first place.
If you can resume successfully, this indicates the event was a transient
problem. Given the domblkerror message 'no space' I'm it looks that
you had a problem running out of disk space temporarily which then
resolved itself.
Regards,
Daniel
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