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

Tue Nov 10 09:54:40 UTC 2015

On Tue, Nov 10, 2015 at 9:35 AM, Paul Groeneweg | Pazion <paul at pazion.nl>
wrote:

> Thanks for the quick answer. So I have to setup hosted engine on FC and
> then detach + import storage domain.
> What means all VMS should be offline when domain is detached.
>
> With clean everything, you mean remove all hosted engine packages en
> configs? Or would you advise a complete reinstall of the OS?
>

The first option should be enough.

>
> Best Regards,
>
> Paul Groeneweg
>
>
> Op di 10 nov. 2015 om 09:24 schreef Simone Tiraboschi <stirabos at redhat.com
> >:
>
>> 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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>>>>> Pazion
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>>>>
>>>>
>>>> --
>>>> Sandro Bonazzola
>>>> Better technology. Faster innovation. Powered by community
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>>>> See how it works at redhat.com
>>>>
>>> --
>>> Met vriendelijke groeten,
>>>
>>> Paul Groeneweg
>>> Pazion
>>> Webdevelopment  -  Hosting  -  Apps
>>>
>>> T +31 26 3020038
>>> M +31 614 277 577
>>> E  paul at pazion.nl
>>>
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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
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> information contained herein (including, but not limited to, total or
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