[ovirt-users] live migration between datacenters with shared storage

[Charles Kozler]

My only real concern with a detach and attach is "what if" the upgrade of
the storage domain does not go well, I will have to recover my entire
storage from backup

On Thu, Jun 1, 2017 at 2:50 PM, Yaniv Kaul <ykaul at redhat.com> wrote:

>
>
> On Thu, Jun 1, 2017 at 4:55 PM, Adam Litke <alitke at redhat.com> wrote:
>
>> You cannot migrate VMs between Datacenters.  I think an export domain
>> will be your easiest option but there may be a way to upgrade in-place (ie.
>> upgrade engine while vms are running, then upgrade cluster) but I am not an
>> expert in this area.
>>
>
> Why is an export domain better than detach and attach a storage domain?
> Y.
>
>
>>
>> On Wed, May 31, 2017 at 4:08 PM, Charles Kozler <ckozleriii at gmail.com>
>> wrote:
>>
>>> I couldnt find a definitive on this so I would like to inquire here
>>>
>>> I have gluster on my storage backend exporting the volume from a single
>>> node via NFS
>>>
>>> I have a DC of 4.0 and I would like to upgrade to 4.1. I would ideally
>>> like to take one node out of the cluster and build a 4.1 datacenter. Then
>>> live migrate VMs from the 4.0 DC over to the 4.1 DC with zero downtime to
>>> the VMs
>>>
>>> Is this possible? Or would I be safer to export/import VMs?
>>>
>>> Thanks!
>>>
>>> _______________________________________________
>>> Users mailing list
>>> Users at ovirt.org
>>> http://lists.ovirt.org/mailman/listinfo/users
>>>
>>>
>>
>>
>> --
>> Adam Litke
>>
>> _______________________________________________
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>> Users at ovirt.org
>> http://lists.ovirt.org/mailman/listinfo/users
>>
>>
>
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