[pve-devel] snapshot improvements

Stefan Priebe s.priebe at profihost.ag
Fri Sep 28 23:42:34 CEST 2012


Am 27.09.2012 09:30, schrieb Stefan Priebe - Profihost AG:
> Am 27.09.2012 09:26, schrieb Dietmar Maurer:
>>>> The idea is that we do not backup any snapshot data. The vzdump would
>>>> only include the data of from the running instance. I guess that is OK?
>>>
>>> But isn't the correct way to make a snapshot and then compress the
>>> snapshot? How can vzdump verify that the data integrity is fine?
>>
>> I guess I found the source of confusion ;-)
>>
>> There are different types of snapshots
>>
>> 1.) vzdump snapshots: vzdump uses LVM to make snapshots of VM data
>>
>> 2.) VM (live) snapshots
>>
>> Those things are currently totally different topics.

I thought of something like:
ssh cloud1-1200.de-nserver.de zfs send JBOD01Pool/vm-105-disk-1 at testsnap 
| zfs recv tank/abc

or

ssh cloud1-1200.de-nserver.de zfs send 
JBOD01Pool/vm-105-disk-1 at spriebetest | gzip 
 >/mnt/pve/nfstor/vm-105-2012-09-25.gz

Greets Stefan


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