[ovirt-users] LUN Issues

[Maor Lipchuk]

Does it reproduce?
Try to assign those LUNs to a new Storage Domain and then delete it from
the setup. After that, try to do the same operation as you did before,
does it still give you the same alert as before?

regards,
Maor

On 05/14/2014 04:19 PM, Neil wrote:
> Hi Maor,
> 
> Thanks for the details.
> 
> These LUNS were assigned to the engine in the past, the oVirt is the
> only system to use the LUNS
> 
> Also they have never been destroyed or even belonged to an old setup,
> this is the original setup.
> 
> All of the LUNS are part of a single RAID array in the SAN which
> consists of 4x3TB drives = 6TB(12x465MB) and each of the LUNS is
> assigned to the main storage domain.
> 
> Sorry, perhaps i'm misunderstanding.
> 
> Thank you.
> 
> Regards.
> 
> Neil Wilson.
> 
> 
> 
> 
> On Wed, May 14, 2014 at 2:54 PM, Maor Lipchuk <mlipchuk at redhat.com> wrote:
>> 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.
>>
>> regards,
>> Maor
>>
>> 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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>>>
>>