[ovirt-users] migrate hosted engine on NFS to FC on oVirt 3.6

[Simone Tiraboschi]

On Tue, Nov 10, 2015 at 9:14 AM, Paul Groeneweg | Pazion <paul at pazion.nl>
wrote:

> I did not mean the migration of a storage domain.
> My whole oVirt environment is running on a shared FC, only the hosted
> engine is on NFS.
> I would like to run the hosted engine on the same shared FC.
> Problem is, the hosted storage disks are not shown in the management
> webinterface, so I can't migrate them this way.
>
> Do I need (temporarily) a second FC SAN to setup the hosted engine?
>

Hosted engine VM should rely on a dedicated storage domain so a dedicated
LUN if you are using FC.
It's not a direct upgrade and it requires some manual actions; probably it
cannot work keeping everything online.

Probably the simplest way is to disconnect one of your host from the
current setup and completely clean it.
Than redeploy hosted-engine (on a fresh FC LUN) following this guide
http://www.ovirt.org/Migrate_to_Hosted_Engine

At the end you should detach all of your storage domains from your current
engine and reimport into the new one.
The same for the hosts.


> Will it be possible to migrate the hosted engine to another FC SAN when
> all done?
> This way I could setup hosted engine on a second FC and migrate it to our
> main FC SAN.
>
> Maybe I am thinking too difficult and it is just as simple as migrating a
> disk to another storage domain?
>
> Best Regards,
> Paul Groeneweg
>
>
>
> Op di 10 nov. 2015 om 08:02 schreef Sandro Bonazzola <sbonazzo at redhat.com
> >:
>
>> On Sat, Nov 7, 2015 at 1:53 PM, Paul Groeneweg | Pazion <paul at pazion.nl>
>> wrote:
>>
>>> Is there a way to migrate an hosted engine running on NFS to our FC SAN
>>> Datastorage.
>>>
>>>
>> Allon, Nir, regardless the hosted engine specific question, do we have a
>> guide for migrating a domain from a storage type to another (like NFS to FC
>> but may be whatever combination here)
>>
>>
>>
>>
>>
>>> The Datastorage is now already used with the VMS, so we would like to
>>> move the hosted engine along the other VMs.
>>>
>>> If migration is not possible, is there an option to create a new hosted
>>> engine on our FC SAN with preserving the current VMs?
>>>
>>> Best Regards,
>>> Paul Groeneweg
>>>
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>>
>> --
>> Sandro Bonazzola
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>>
> --
> Met vriendelijke groeten,
>
> Paul Groeneweg
> Pazion
> Webdevelopment  -  Hosting  -  Apps
>
> T +31 26 3020038
> M +31 614 277 577
> E  paul at pazion.nl
>
>  ***disclaimer***
> "This e-mail and any attachments thereto may contain information which is
> confidential and/or protected by intellectual property rights and are
> intended for the sole use of the recipient(s) named above. Any use of the
> information contained herein (including, but not limited to, total or
> partial reproduction, communication or distribution in any form) by persons
> other than the designated recipient(s) is prohibited. If you have received
> this e-mail in error, please notify the sender either by telephone or by
> e-mail and delete the material from any computer. Thank you for your
> cooperation."
>
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