[pve-devel] Fw: Storage migration

[Stefan Priebe - Profihost AG]

Yes that's right. We use ocfs2 and right now we need a 3rd vm exporting via iscsi.

Stefan

Am 19.11.2012 um 08:24 schrieb Alexandre DERUMIER <aderumier at odiso.com>:

>>> What about just renaming disks if you want to move disk from vm A to vm 
>>> B? Not sure if all storage backends support this but at least some do. 
> 
> AFAIK, it's possible with sheepdog,rbd,nexenta and files of course. (I Think that lvm is possible too)
> 
> 
> Maybe One thing not possible  with current disk naming it's sharing a disk between 2 guests. (with ocfs2 fs cluster in guests by example)
> 
> 
> 
> ----- Mail original ----- 
> 
> De: "Stefan Priebe" <s.priebe at profihost.ag> 
> À: "Dietmar Maurer" <dietmar at proxmox.com> 
> Cc: "Alexandre DERUMIER" <aderumier at odiso.com>, pve-devel at pve.proxmox.com 
> Envoyé: Dimanche 18 Novembre 2012 21:09:14 
> Objet: Re: [pve-devel] Fw: Storage migration 
> 
> Am 18.11.2012 16:00, schrieb Dietmar Maurer: 
>>> Wouldn't it be useful to be able to move disks from VM X to VM Y. I don't like 
>>> that disks are fixed to vms. 
>> 
>> We assigns disks to VMs. So there is a Disk -> VM (owner) relation. 
>> 
>> This relation is the basic concept we use for cluster wide locking, and makes many things 
>> easier because we know that. 
>> 
>> I guess you need to re-implement the whole framework if you want to change that. 
>> 
> What about just renaming disks if you want to move disk from vm A to vm 
> B? Not sure if all storage backends support this but at least some do. 
> 
> Stefan