[ovirt-users] LUN Issues

Maor Lipchuk mlipchuk at redhat.com
Wed May 14 12:54:40 UTC 2014

Hi Neil,

The luns are showing as "select-able" since they are not being used by
the engine, although other setups might use them which we can't be aware of.
We can't be sure that the LUns are used actively or not because there
could also be a VG which was not cleaned up properly (For example of an
old setup which was destroyed).

Only LUNs which are configured in the engine should be greyed out.


On 05/14/2014 03:11 PM, Neil wrote:
> Hi guys,
> I've got a bit of a strange one and at this stage it doesn't seem to
> be causing any noticeable problems, but I'd rather investigate it now
> than run into a problem in future.
> Basically, 3 LUNS show up as being unassigned and when I try assign
> them, oVirt says they are already assigned, (which is correct if I
> look at the total storage in my datacenter)..
> Size:    6887 GB
> Available:    1819 GB
> Used:    5068 GB
> Allocated:    7413 GB
> Over Allocation Ratio: 70%
> ...these are my LUNS that I have available.
> 6TB (5580MB divided into 12 x 465MB LUNS)
> 900MB (838MB single LUN)
> 500MB (465MB single LUN)
> I've also check on the LVM side from one of the hosts and they are
> definitely assigned already, but the question is, why are they showing
> as "select-able" from the oVirt admin side?
> I'm running ovirt-engine-3.3.3-2.el6 on Centos 6.5 and I'm using an FC
> SAN for storage.
> Thanks!
> Regards.
> Neil Wilson.
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