[pve-devel] [PATCH 06/20] lvm : add volume_protect && volume_unprotect

[Alexandre DERUMIER]

response to myself:
http://sysopers.wordpress.com/2012/05/20/lvm-snapshot-based-kvm-virtual-machines-deploying-automation-part-i/

So it seem easy to implement with lvm snapshot as clone.

I'll test it tomorrow

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

De: "Alexandre DERUMIER" <aderumier at odiso.com> 
À: "Dietmar Maurer" <dietmar at proxmox.com> 
Cc: pve-devel at pve.proxmox.com 
Envoyé: Lundi 3 Décembre 2012 19:19:34 
Objet: Re: [pve-devel] [PATCH 06/20] lvm : add volume_protect && volume_unprotect 

I check on citrix xenserver, it seem to be possible to do linked clone from a lvm template. 

I don't know how it's works. maybe the clone is simply a snapshot ? does it work across cluster? (If the parent lvm volume is readonly and activate on each host ?) 


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

De: "Dietmar Maurer" <dietmar at proxmox.com> 
À: "Alexandre Derumier" <aderumier at odiso.com>, pve-devel at pve.proxmox.com 
Envoyé: Lundi 3 Décembre 2012 16:54:33 
Objet: RE: [pve-devel] [PATCH 06/20] lvm : add volume_protect && volume_unprotect 

> Subject: [pve-devel] [PATCH 06/20] lvm : add volume_protect && 
> volume_unprotect 
> 
> we can't protect a lvm volume. 

Can't we use 'lvchange -p r ...'? 
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