[pve-devel] kvm disk template implementation ideas

Alexandre DERUMIER aderumier at odiso.com
Thu Aug 23 14:50:42 CEST 2012


>>So there is no parent/child relationship between snapshots which we need 
>>to consider for qcow2, rados and sheepdog? 
Yes indeed, no parent/child between different snapshots

>>But I guess we still want to track child/parent relationship inside the config file? 
Maybe,do we need to have datetime of the snapshot to know the order of the snapshots.

I need to test the rollback of qcow2 and rbd, I don't know why more recent snapshots are not deleted if we rollback to older snapshots.

----- 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 13:18:21 
Objet: RE: [pve-devel] kvm disk template implementation ideas 

> >>Can we delete such snapshot without problems, or do we need some kind 
> >>of snapshot merging (I guess we want to avoid that if possible)? 
> 
> Yes, I think we can simply delete snapshot without need to merge, as they 
> use copy on write (maybe not lvm?) 

So there is no parent/child relationship between snapshots which we need 
to consider for qcow2, rados and sheepdog? 

But I guess we still want to track child/parent relationship inside the config file? 

I have no real idea for LVM - we need to test that. 



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Alexandre D e rumier 

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