[pve-devel] kvm disk template implementation ideas

Alexandre DERUMIER aderumier at odiso.com
Thu Aug 23 17:58:35 CEST 2012


for sheepdog, see my question in the sheep mailing

"
I create a base vdi : image1
create a snapshot: snap1
create a snapshot: snap2

now I boot on snap1
qemu sheepdog:image1:snap1

I write datas and make a mistake.
how can I rollback at snap1 point of time before the mistake ?
"

I don't see how it's possible without a rollback command if the only way is to pass the snaptag at vm boot

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

De: "Dietmar Maurer" <dietmar at proxmox.com> 
À: "Alexandre DERUMIER" <aderumier at odiso.com> 
Cc: pve-devel at pve.proxmox.com 
Envoyé: Jeudi 23 Août 2012 17:32:50 
Objet: RE: [pve-devel] kvm disk template implementation ideas 

> >>And this does not modify the snapshot? 
> I really don't know, I think it will update the snapshot or new datas will be 
> lost at vm reboot. 

Ins't loosing data the expected behavior (you want to rollback)? 

You do not want to touch the snapshot (should be read-only), but you 
wand to overwrite current image with snapshot data. 



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Alexandre D e rumier 

Ingénieur Systèmes et Réseaux 


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