On Mon, Mar 12, 2018 at 1:40 PM, Andrei Verovski <andre...@starlett.lv> wrote:
> Hi ! > > > I have stubborn VM (Ubuntu 16.04 LTS) which randomly freezes about each 2 > - 3 weeks at weekends (when load is close to zero). > No updates or kernel upgrades help. > Freeze is not detected by oVirt watchdog and VM is not automatically > restarted. > > Since it happens only on weekends, I suspect some weekly cron job may > cause this. > Ubuntu 16.04 LTS is installed on qcow2 disk image (thin provision). > is it possible that fstrim (which discards / trims unused blocks) is a > source of this problem ? > Are you using virtio-blk (which doesn't support it) or virtio-SCSI (which does)? Also, does the storage support trimming? Not all do. Y. > > Thanks in advance > Andrei > > _______________________________________________ > Users mailing list > Users@ovirt.org > http://lists.ovirt.org/mailman/listinfo/users >
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