[Users] virtualized engine / port to self-hosted engine

[Itamar Heim]

On 01/08/2014 02:49 PM, Doron Fediuck wrote:
>
>
> ----- Original Message -----
>> From: "Doron Fediuck" <dfediuck at redhat.com>
>> To: "Andrew Lau" <andrew at andrewklau.com>
>> Cc: "users" <users at ovirt.org>
>> Sent: Wednesday, January 8, 2014 2:48:20 PM
>> Subject: Re: [Users] virtualized engine / port to self-hosted engine
>>
>>
>>
>> ----- Original Message -----
>>> From: "Andrew Lau" <andrew at andrewklau.com>
>>> To: "Yedidyah Bar David" <didi at redhat.com>
>>> Cc: "users" <users at ovirt.org>
>>> Sent: Wednesday, January 8, 2014 11:15:21 AM
>>> Subject: Re: [Users] virtualized engine / port to self-hosted engine
>>>
>>> On Tue, Jan 7, 2014 at 2:43 AM, Yedidyah Bar David < didi at redhat.com >
>>> wrote:
>>>
>>>
>>>
>>> ----- Original Message -----
>>>> From: "Blaster" < Blaster at 556nato.com >
>>>> To: "Yedidyah Bar David" < didi at redhat.com >
>>>> Cc: users at ovirt.org
>>>> Sent: Monday, January 6, 2014 5:20:00 PM
>>>> Subject: Re: [Users] virtualized engine / port to self-hosted engine
>>>>
>>>> On 1/6/2014 7:12 AM, Yedidyah Bar David wrote:
>>>>> Did you have problems with engine-backup? Or had other reasons to not
>>>>> use it? Thanks!
>>>>
>>>> Can engine-backup be used to move an AIO configuration from one host to
>>>> another?
>>>
>>> I didn't try that. In principle it can. Note that it will only
>>> backup/restore
>>> the engine - not local storage domains (ISO or data), VM images, etc.
>>>
>>> If you try that, please report back. Thanks!
>>>
>>>>
>>>> I currently need to move an AIO configuration from AMD hardware to Intel
>>>> I7 hardware. The engine-backup WIKI discusses backups, but not
>>>> restores. I am a bit concerned about using engine-backup to restore an
>>>> AIO configuration to a different system as another WIKI page with
>>>> step-by-step instructions to do what engine-backup does for you,
>>>> mentions you have to do some extra steps if you are changing hostnames
>>>> as the hostname of the ovirt-engine is embedded in the database.
>>>
>>> Changing the hostname is specifically not in the scope of engine-backup.
>>>
>>> Note that you do not need to have the hostname equal to the "fqdn" input
>>> during engine-setup - this last one just needs to be dns-resolvable and
>>> point to the machine intended.
>>>
>>> Also, there is another utility to do that, called ovirt-engine-rename -
>>> see this for details and implications:
>>>
>>> http://www.ovirt.org/Changing_Engine_Hostname
>>>
>>>>
>>>> There really needs to be some work done in Ovirt on making it easier to
>>>> import existing disk images and just generally moving things around
>>>> without having to bounce off an NFS server.
>>>>
>>>> Should I do a BZ on that?
>>>
>>> Not sure what you mean exactly, but you are always welcome to open BZs on
>>> bugs/RFEs...
>>>
>>> Best regards,
>>> --
>>> Didi
>>>
>>> Sorry for going slightly off topic, but how is everyone's hosted engine
>>> deployment going? Are you restricted to NFS?
>>>
>> Andrew, in general I get positive feedbacks from RHEL users. For Fedora
>> and other distros, this should be in a better situation in the following
>> 1-2 weeks when we'll have 3.4 beta available.
>> I'd love to get your feedback on it.
>>
> I missed your NFS question, sorry;
> Yes. Currently we have NFS limitation and we will do our best to see
> if SAN can be added. Note that time is not on our side for 3.4.

worth mentioning you can use hosted engine on an iscsi/FC cluster - just 
the hosted engine VM needs to be on NFS

>
>>> I tried the migration procedure last month and it worked.. but had quite a
>>> lot of issues so I ended up reverting back. I didn't open any bugs in the
>>> assumption it was in super alpha stage.
>>>
>> Next time please open bugs... That's the best way to improve the project,
>> regardless of the version state. If unsure, you can always try irc / this
>> list
>> first to see if this is a known issue and if there are workarounds.
>>
>>>
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