[ovirt-users] Backup and Restore of VMs

Mon Dec 29 06:12:53 EST 2014

Le 29/12/2014 12:10, Nathanaël Blanchet a écrit :
> Hello,
>
> Thank you for the script, yes, it is clearer now.
> However, there is a something I misunderstand, my raisoning may be 
> stupid, just tell me.
> It is closely about the backup process, precisely when the disk is 
> attached to the vm... At this moment, an extern process should do this 
> step. If we consider using the dd command to have a byte-to-byte copy 
> from the snapshot disk, why not directly attaching this cloned raw 
> virtual disk to the new OVF cloned VM instead of creating a new 
> provisonned disk?
> But you just might consider doing file copy during the backup process 
> (rsnyc like) which implies to format the new created disk and many 
> additionnal steps as creating Logical Volumes if needed, etc...
> Can anybody help me with understanding this step?
> Thank you.
>
> Le 28/12/2014 10:02, Liron Aravot a écrit :
>> Hi All,
>> I've uploaded an example script (oVirt python-sdk) that contains 
>> examples to the steps
>> described on 
>> http://www.ovirt.org/Features/Backup-Restore_API_Integration
>>
>> let me know how it works out for you -
>> https://github.com/laravot/backuprestoreapi
>>
>>
>> ----- Original Message -----
>>> From: "Liron Aravot" <laravot at redhat.com>
>>> To: "Soeren Malchow" <soeren.malchow at mcon.net>
>>> Cc: "Vered Volansky" <vered at redhat.com>, Users at ovirt.org
>>> Sent: Wednesday, December 24, 2014 12:20:36 PM
>>> Subject: Re: [ovirt-users] Backup and Restore of VMs
>>>
>>> Hi guys,
>>> I'm currently working on complete example of the steps appear in -
>>> http://www.ovirt.org/Features/Backup-Restore_API_Integration
>>>
>>> will share with you as soon as i'm done with it.
>>>
>>> thanks,
>>> Liron
>>>
>>> ----- Original Message -----
>>>> From: "Soeren Malchow" <soeren.malchow at mcon.net>
>>>> To: "Vered Volansky" <vered at redhat.com>
>>>> Cc: Users at ovirt.org
>>>> Sent: Wednesday, December 24, 2014 11:58:01 AM
>>>> Subject: Re: [ovirt-users] Backup and Restore of VMs
>>>>
>>>> Dear Vered,
>>>>
>>>> at some point we have to start, and right now we are getting 
>>>> closer, even
>>>> with the documentation it is sometime hard to find the correct 
>>>> place to
>>>> start, especially without specific examples (and I have decades of
>>>> experience now)
>>>>
>>>> with the backup plugin that came from Lucas Vandroux we have a 
>>>> starting
>>>> point
>>>> right now, and we will continue form here and try to work with him 
>>>> on this.
>>>>
>>>> Regards
>>>> Soeren
>>>>
>>>>
>>>> -----Original Message-----
>>>> From: users-bounces at ovirt.org [mailto:users-bounces at ovirt.org] On 
>>>> Behalf Of
>>>> Blaster
>>>> Sent: Tuesday, December 23, 2014 5:49 PM
>>>> To: Vered Volansky
>>>> Cc: Users at ovirt.org
>>>> Subject: Re: [ovirt-users] Backup and Restore of VMs
>>>>
>>>> Sounds like a Chicken/Egg problem.
>>>>
>>>>
>>>>
>>>> On 12/23/2014 12:03 AM, Vered Volansky wrote:
>>>>> Well, real world is community...
>>>>> Maybe change the name of the thread in order to make this more 
>>>>> clear for
>>>>> someone from the community that might be able to could help.
>>>>> Maybe something like:
>>>>> Request for sharing real world example of VM backups.
>>>>>
>>>>> We obviously use it as part as developing, but I don't have what 
>>>>> you're
>>>>> asking for.
>>>>> If you try it yourself and stumble onto questions in the process, 
>>>>> please
>>>>> ask the list and we'll do our best to help.
>>>>>
>>>>> Best Regards,
>>>>> Vered
>>>>>
>>>>> ----- Original Message -----
>>>>>> From: "Blaster" <blaster at 556nato.com>
>>>>>> To: "Vered Volansky" <vered at redhat.com>
>>>>>> Cc: Users at ovirt.org
>>>>>> Sent: Tuesday, December 23, 2014 5:56:13 AM
>>>>>> Subject: Re: [ovirt-users] Backup and Restore of VMs
>>>>>>
>>>>>>
>>>>>> Vered,
>>>>>>
>>>>>> It sounds like Soeren already knows about that page. His issue seems
>>>>>> to be, as well as the issue of others judging by comments on 
>>>>>> here, is
>>>>>> that there aren’t any real world examples of how the API is used.
>>>>>>
>>>>>>
>>>>>>
>>>>>> On Dec 22, 2014, at 9:26 AM, Vered Volansky <vered at redhat.com> 
>>>>>> wrote:
>>>>>>
>>>>>>> Please take a look at:
>>>>>>> http://www.ovirt.org/Features/Backup-Restore_API_Integration
>>>>>>>
>>>>>>> Specifically:
>>>>>>> http://www.ovirt.org/Features/Backup-Restore_API_Integration#Full_VM 
>>>>>>>
>>>>>>> _Backups
>>>>>>>
>>>>>>> Regards,
>>>>>>> Vered
>>>>>>>
>>>>>>> ----- Original Message -----
>>>>>>>> From: "Soeren Malchow" <soeren.malchow at mcon.net>
>>>>>>>> To: Users at ovirt.org
>>>>>>>> Sent: Friday, December 19, 2014 1:44:38 PM
>>>>>>>> Subject: [ovirt-users] Backup and Restore of VMs
>>>>>>>>
>>>>>>>>
>>>>>>>>
>>>>>>>> Dear all,
>>>>>>>>
>>>>>>>>
>>>>>>>>
>>>>>>>> ovirt: 3.5
>>>>>>>>
>>>>>>>> gluster: 3.6.1
>>>>>>>>
>>>>>>>> OS: CentOS 7 (except ovirt hosted engine = centos 6.6)
>>>>>>>>
>>>>>>>>
>>>>>>>>
>>>>>>>> i spent quite a while researching backup and restore for VMs right
>>>>>>>> now, so far I have come up with this as a start for us
>>>>>>>>
>>>>>>>>
>>>>>>>>
>>>>>>>> - API calls to create schedule snapshots of virtual machines This
>>>>>>>> is or short term storage and to guard against accidential deletion
>>>>>>>> within the VM but not for storage corruption
>>>>>>>>
>>>>>>>>
>>>>>>>>
>>>>>>>> - Since we are using a gluster backend, gluster snapshots I wasn’t
>>>>>>>> able so far to really test it since the LV needs to be thin
>>>>>>>> provisioned and we did not do that in the setup
>>>>>>>>
>>>>>>>>
>>>>>>>>
>>>>>>>> For the API calls we have the problem that we can not find any
>>>>>>>> existing scripts or something like that to do those snapshots (and
>>>>>>>> i/we are not developers enough to do that).
>>>>>>>>
>>>>>>>>
>>>>>>>>
>>>>>>>> As an additional information, we have a ZFS based storage with
>>>>>>>> deduplication that we use for other backup purposes which does a
>>>>>>>> great job especially because of the deduplication (we can storage
>>>>>>>> generations of backups without problems), this storage can be NFS
>>>>>>>> exported and used as backup repository.
>>>>>>>>
>>>>>>>>
>>>>>>>>
>>>>>>>> Are there any backup and restore procedure you guys are using for
>>>>>>>> backup and restore that works for you and can you point me into 
>>>>>>>> the
>>>>>>>> right direction ?
>>>>>>>>
>>>>>>>> I am a little bit list right now and would appreciate any help.
>>>>>>>>
>>>>>>>>
>>>>>>>>
>>>>>>>> Regards
>>>>>>>>
>>>>>>>> Soeren
>>>>>>>>
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