[ovirt-users] Decommission Master Storage Domain

[Neil]

Good day Nicolas,

Thank you very much for your reply.

I have followed your instructions and it's worked perfectly.

Much appreciated.

Regards.

Neil Wilson.

On Thu, Jun 16, 2016 at 8:43 AM, Nicolas Ecarnot <nicolas at ecarnot.net>
wrote:

> Le 15/06/2016 14:07, Neil a écrit :
>
>> Hi guys,
>>
>> I've searched around a little but don't see much on how to do this.
>>
>> I'm running ovirt-engine-3.5.6.2-1.el6.noarch on Centos 6.x
>>
>> I have 4 x Centos 6.x hosts connected to an FC SAN with two different
>> RAID arrays configured on it, one new RAID and one old RAID.
>> The new RAID is shared as a new FC storage domain, the old RAID as my
>> old Master storage domain.
>>
>> I have moved all VM's using LSM to the new storage domain and I would
>> like to remove my old storage domain now, so that the old physical hard
>> disks can be removed out of my SAN.
>>
>> If I go to "Disks" on the old storage domain I only see two named
>> OVF_store etc, so it looks like it's ready to be decommissioned.
>>
>> How can I promote my new domain to the master and remove/destroy my old
>> master domain and can it all be done without any VM downtime?
>>
>
> Hi Neil,
>
> - When you're sure no VM disk remains on the old SD :
> - Select the old storage domain
> - in the 'Data center' tab at the bottom of the GUI, use the 'Maintenance'
> button
> - the Master role will automagically switch to the remaining storage
> domain (it can take some seconds)
> - once there, you're free to detach then destroy the old storage domain.
>
> HTH
>
> --
> Nicolas Ecarnot
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>
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