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Re: [Xen-users] Storage Question

To: "Fajar A. Nugraha" <fajar@xxxxxxxxx>
Subject: Re: [Xen-users] Storage Question
From: Pasi Kärkkäinen <pasik@xxxxxx>
Date: Sun, 1 Feb 2009 12:09:11 +0200
Cc: Ramon Moreno <rammor1@xxxxxxxxx>, xen-users@xxxxxxxxxxxxxxxxxxx
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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@xxxxxxxxx> 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

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