[Users] How can I create a snapshot for virtual disks only?

[Rami Vaknin]

On 06/28/2012 04:51 AM, Itamar Heim wrote:
> On 06/27/2012 09:38 PM, Shu Ming wrote:
>> On 2012-6-28 9:20, Itamar Heim wrote:
>>> On 06/27/2012 08:57 PM, Shu Ming wrote:
>>>> On 2012-6-27 23:30, Michal Skrivanek wrote:
>>>>> That would make sense only when you are powered off, wouldn't it?
>>>>> Otherwise what's the point of disk snapshot with open transactions,
>>>>> buffers in mem, etc, without saving the state of the VM too?
>>>>
>>>> I understand syncing virtual disk state with the OS cache is a quite
>>>> challenge to a snapshot tool developers. However, it is a handy 
>>>> feature
>>>> for the users just want to back up their data in the disks without
>>>> stopping VM. As other virtualization solution support this feature, we
>>>> should narrow the gap to attract more users to oVirt.
>>>>
>>>
>>> actually, live snapshot today is only supported for disks, without the
>>> RAM.
>> I can not find the button to create a snapshot for disk only in engine
>> 3.1 beta release. Are you talking about a undergoing project?

The is no option to save a single disk in webadmin.
>
> live snapshot is for disks only, not for RAM.
> so the live snapshot button only snapshots the disks already.
>
>>>
>>>>>
>>>>> Thanks,
>>>>> michal
>>>>>
>>>>> On 27 Jun 2012, at 17:26, Shu Ming <shuming at linux.vnet.ibm.com> 
>>>>> wrote:
>>>>>
>>>>>> On 2012-6-27 23:19, Dafna Ron wrote:
>>>>>>> Hi,
>>>>>>>
>>>>>>> no. the snapshot is for the entire vm and it's disks.
>>>>>>>
>>>>>>>
>>>>>>> On 06/27/2012 05:31 PM, Shu Ming wrote:
>>>>>>>> Hi,
>>>>>>>>
>>>>>>>> I am testing oVirt engine 3.1 beta release 06-07. I tried
>>>>>>>> "snapshots-->create" button for a VM and it looked like that the
>>>>>>>> snapshot to be created was for both the running state of the 
>>>>>>>> system
>>>>>>>> and the virtual disks. I am wondering if there is any way to 
>>>>>>>> create
>>>>>>>> the snapshot only for the virtual disks of the VM in engine?
>>>>>>>>
>>>>>> Do we have future plan to make snapshot for it's disks?
>>>>>>
>>>>>> -- 
>>>>>> Shu Ming <shuming at linux.vnet.ibm.com>
>>>>>> IBM China Systems and Technology Laboratory
>>>>>>
>>>>>>
>>>>>> _______________________________________________
>>>>>> Users mailing list
>>>>>> Users at ovirt.org
>>>>>> http://lists.ovirt.org/mailman/listinfo/users
>>>>
>>>>
>>>
>>
>>
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-- 

Thanks,

Rami Vaknin, QE @ Red Hat, TLV, IL.