Re: [ovirt-users] Storage over allocation ratio value larger than 125% will pause vms
Yaniv Dary
Technical Product Manager
Red Hat Israel Ltd.
34 Jerusalem Road
Building A, 4th floor
Ra'anana, Israel 4350109
Tel : +972 (9) 7692306
8272306
Email: ydary(a)redhat.com
IRC : ydary
On Mon, Dec 7, 2015 at 12:38 AM, Jan Bernard Wevers <
jan.bernard.wevers(a)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.”
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?
We have a minimal amount of 1G needed to do storage related actions.
- Can I enlarge the over allocation ratio before ovirt is complaining
about
storage space?
In 3.6 you can change this threshold pre storage, but I would recommend
against this.
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