[pve-devel] snapshot improvements

Alexandre DERUMIER aderumier at odiso.com
Thu Sep 27 18:22:25 CEST 2012


do you mean :
backup the main image
then 
backup each snasphot increment ?

zfs send can do incremental backup with "zfs send -I"

http://docs.oracle.com/cd/E19082-01/817-2271/gfwqb/index.html

----- Mail original ----- 

De: "Dietmar Maurer" <dietmar at proxmox.com> 
À: "Alexandre DERUMIER" <aderumier at odiso.com> 
Cc: pve-devel at pve.proxmox.com, "Stefan Priebe" <s.priebe at profihost.ag> 
Envoyé: Jeudi 27 Septembre 2012 13:37:59 
Objet: RE: [pve-devel] snapshot improvements 

And if one would consider to backup snapshots, I am quite 
sure he only wants to backup shared data once. A simple 
data export would duplicate large amounts of data. 

> Subject: Re: [pve-devel] snapshot improvements 
> 
> I think I have already respond to that ;) 
> 
> 2 ways : 
> 
> - clone the snapshot and export image through iscsi and backup it 
> 
> - use zfs send through ssh (zfs send image1 at snap1 > /imagefile) 
> 
> 
> 
> ----- Mail original ----- 
> 
> De: "Dietmar Maurer" <dietmar at proxmox.com> 
> À: "Alexandre DERUMIER" <aderumier at odiso.com> 
> Cc: pve-devel at pve.proxmox.com, "Stefan Priebe" <s.priebe at profihost.ag> 
> Envoyé: Jeudi 27 Septembre 2012 09:04:31 
> Objet: RE: [pve-devel] snapshot improvements 
> 
> > I also don't think that all storage can export datas with snapshots inside. 
> > 
> > rbd can export an image from a snapshot, nexenta and sheepdog too. 
> 
> How can you access snapshot data with nexenta? 


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