[PVE-User] backup archive size
Lutz Markus Willek
l.willek at science-computing.de
Sat Sep 27 18:47:52 CEST 2014
and then backup the vm again
regards lutz willek
Von: Eneko Lacunza <elacunza at binovo.es>
Gesendet: Do 18.09.2014 10:09
Betreff: Re: [PVE-User] backup archive size
An: pve-user at pve.proxmox.com;
> Backup compression is done on a block level (there is no filesystem
> knowledge), so you can have "dirty" blocks in the virtual device that don't
> compress well, although you guest filesystem knows they're free.
> On 18/09/14 09:52, Tonči Stipičević wrote:
> Hello to all
> I have one VM win2012r2 with two virtio qcow2 disks .
> 1st one is 100G big with 20G data on it.
> I'm backing only this partition up , 2nd one has "no-backup" flag,
> and backup archive turnes out to be 72G big .
> How is that possible since I have "only" 20G of data ?
> Thank you very much in advance and
> Tonci Stipicevic
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