RE: [Xen-API] Create a Virtual machine with a specific UUID

[Leonelli Mauro <m.leonelli@xxxxxxxx>]

Hi,
a short update on this subject, by calling both Vm.start_on and Vm.pool_migrate 
XenAPI methods I get an MESSAGE_METHOD_UNKNOWN exception.

Is there any way to perform a migration (live or not) using XenAPI?

Thanks

Mauro

-----Original Message-----
From: Jonathan Ludlam [mailto:Jonathan.Ludlam@xxxxxxxxxxxxx]
Sent: mercoledì 6 ottobre 2010 15:37
To: Leonelli Mauro
Cc: Vincent Hanquez; xen-api
Subject: Re: [Xen-API] Create a Virtual machine with a specific UUID

Unfortunately no - XCP has not yet moved to xen-4.0 yet, we're still on 3.4.2. 
The current plan is to upgrade within the next 6 months or so.

Jon

On 6 Oct 2010, at 14:30, Leonelli Mauro wrote:

> Thanks Jon,
> would it be possible to install xe on Xen 4.0 ?
>
> Mauro
>
> -----Original Message-----
> From: Jonathan Ludlam [mailto:Jonathan.Ludlam@xxxxxxxxxxxxx]
> Sent: mercoledì 6 ottobre 2010 13:56
> To: Leonelli Mauro
> Cc: Vincent Hanquez; xen-api
> Subject: Re: [Xen-API] Create a Virtual machine with a specific UUID
>
> xe is for both XenServer and XCP.
>
> I think that using the XenAPI against xend is probably inadvisable - I 
> believe that it's not well maintained at the moment. Your best options are 
> really to use xl on Xen 4.0, or XenAPI against XCP/XenServer.
>
> Jon
>
> On 6 Oct 2010, at 12:00, Leonelli Mauro wrote:
>
>> Is xe only for XenServer? We are using Xen 4.0 at the moment.
>>
>> Mauro
>>
>> -----Original Message-----
>> From: Jonathan Ludlam [mailto:Jonathan.Ludlam@xxxxxxxxxxxxx]
>> Sent: mercoledì 6 ottobre 2010 12:55
>> To: Jonathan Ludlam
>> Cc: Leonelli Mauro; Vincent Hanquez; xen-api
>> Subject: Re: [Xen-API] Create a Virtual machine with a specific UUID
>>
>> Oops, forgot to mention that to preserve the uuid on the import, append 
>> 'preserve=true' to the import CLI command (it adds an extra HTTP parameter 
>> to the URL)
>>
>> Jon
>>
>> On 6 Oct 2010, at 11:51, Jonathan Ludlam wrote:
>>
>>> Hi Mauro,
>>>
>>> Import and export are done via http get/put.
>>>
>>> If you do:
>>>
>>> xe vm-export uuid=... filename=... --debug
>>>
>>> and
>>>
>>> xe vm-import filename=... --debug
>>>
>>> it will output some lines indicating exactly what the URLs are that it's 
>>> using.
>>>
>>> Jon
>>>
>>>
>>> On 6 Oct 2010, at 11:19, Leonelli Mauro wrote:
>>>
>>>> Hi Vincent,
>>>> do you have a python snippet as proof of concept?
>>>>
>>>> By navigating XenApi, I find import/export  only as an enum variable of 
>>>> vm_operations
>>>>
>>>> Mauro
>>>>
>>>> -----Original Message-----
>>>> From: Vincent Hanquez [mailto:vincent.hanquez@xxxxxxxxxxxxx]
>>>> Sent: mercoledì 6 ottobre 2010 12:06
>>>> To: Leonelli Mauro
>>>> Cc: Alberto González Rodríguez; xen-api
>>>> Subject: Re: [Xen-API] Create a Virtual machine with a specific UUID
>>>>
>>>> On 06/10/10 10:52, Leonelli Mauro wrote:
>>>>> Hi,
>>>>> thanks Alberto for the quick answer.
>>>>> There a couple of good benefits by doing it
>>>>>
>>>>>      1) If a VM is creating using the config file on xen, UUID set on the 
>>>>> file overwrites the one autogenerated (i.e. UUID is not autogenerated)
>>>>>      2) If I delete a VM and want to recreate the exact copy of it, I'd 
>>>>> like to use the very same UUID (that is, btw, used by me to store info on 
>>>>> the vm on a local databse)
>>>>
>>>> I believe vm-{import/export} do what you're looking for.
>>>>
>>>> --
>>>> Vincent
>>>>
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>
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