Re: [Xen-users] Storage Question

Pasi Kärkkäinen
Sun, 01 Feb 2009 10:09:11 -0000

On Sun, Feb 01, 2009 at 08:12:23AM +0700, Fajar A. Nugraha
wrote:
> On Sun, Feb 1, 2009 at 5:08 AM, Ramon Moreno <rammor1@gmail.com>
wrote:
> > Option 1:
> > I present a single iscsi lun to my systems in the cluster. I then
> > carve it up using lvm for the vms. The problem with this solution is
> > that if I clone a vm, it takes mass network bandwidth.
>
> True. But for most iscsi servers cloning will take mass amount of
> resources anyway (whether it''s network, disk I/O, or both). Using
> ionice during cloning process might help by giving cloning process
> lowest priority.
>

And in some storage arrays is just takes 1 or 2 seconds, no matter if
it''s
huge or small volume :)

For example Equallogic does that.. data is not really copied, since
everything is virtualized.

-- Pasi