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

[Andrew Lau]

Awesome!

Is it worth while trying it now, or should I wait for 3.4 beta?

On Fri, Jan 10, 2014 at 8:47 AM, Itamar Heim <iheim at redhat.com> wrote:

> 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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