Re: [Xen-users] Xen and SAN : snapshot XOR live-migration ?

[Franck ELIE <Franck.Elie@xxxxxxxxxxxxxxx>]

Siim Vahtre wrote :
> On Thu, 22 Mar 2007, Franck ELIE wrote:
>
> > Please tell me if I am wrong :
> >
> > Xen needs LVM to perform domU snapshots and snapshots must be 
> > performed by dom0.
> I'm confused. Why Xen would need LVM to perform any snapshots at all?
OK, I forgot to say that for me, LVM snapshot seems to be a good 
solution in order to perform a pseudo transparent backup (without to 
shutdown or to perform a "pause" of the domU).
But if we do not need to keep domU up 24h/24h, it is possible to use 
other way to perform snapshots ; for example with a basic "xm pause" ; 
copy of domU ;  "xm unpause" (if you do not have databases, etc.)
 Franck


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