[ovirt-users] Storage over allocation ratio value larger than 125% will pause vms

Yaniv Kaul ykaul at redhat.com
Mon Dec 7 14:49:24 UTC 2015


On Mon, Dec 7, 2015 at 12:38 AM, Jan Bernard Wevers <
jan.bernard.wevers at group2000.com> wrote:

> I’m using ovirt 3.6 and an iscsi storage domain. Almost all vms are using
> thin provisioning with a virtual size of 40GB and a typical physical size
> of
> 8 GB.
> Now I’m facing the fact that ovirt is pausing my vms due to the following
> event message:
> (Example):  “VM vm_01_16_centos6 has been paused due to no Storage space
> error.”
>

oVirt is not pausing VMs. QEMU/KVM does, when it gets a storage error (in
order to prevent possible corruption).
Can you please attach VDSM logs from the relevant host where this is
happening?
TIA,
Y.


>
> When I look at the iscsi storage domain the over allocation ratio value is
> about 127%, but of the 2799GB there is still more than 1500GB available.
> My questions:
> - Why ovirt is pausing the vms?
> - Can I enlarge the over allocation ratio before ovirt is complaining about
> storage space?
>
>
> _______________________________________________
> Users mailing list
> Users at ovirt.org
> http://lists.ovirt.org/mailman/listinfo/users
>
>
-------------- next part --------------
An HTML attachment was scrubbed...
URL: <http://lists.ovirt.org/pipermail/users/attachments/20151207/644166d7/attachment-0001.html>


More information about the Users mailing list