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RE: [Xen-users] create a partition on a file disk

  • To: "Nico Kadel-Garcia" <nkadel@xxxxxxxxx>, "trilok nuwal" <tc.nuwal@xxxxxxxxx>
  • From: "Petersson, Mats" <Mats.Petersson@xxxxxxx>
  • Date: Fri, 20 Apr 2007 12:49:22 +0200
  • Cc: Xen list <Xen-users@xxxxxxxxxxxxxxxxxxx>
  • Delivery-date: Fri, 20 Apr 2007 03:49:03 -0700
  • List-id: Xen user discussion <xen-users.lists.xensource.com>
  • Thread-index: AceDOT/031OoMgsVSZ+LM+uhBWr0BAAAB1tg
  • Thread-topic: [Xen-users] create a partition on a file disk


> -----Original Message-----
> From: Nico Kadel-Garcia [mailto:nkadel@xxxxxxxxx] 
> Sent: 20 April 2007 11:49
> To: trilok nuwal
> Cc: Petersson, Mats; Xen list
> Subject: Re: [Xen-users] create a partition on a file disk
> trilok nuwal wrote:
> > Hi,
> >
> > This is beacuse i am not installing the OS in usual way. I want 
> > cloning of OS. Means i want to create a OS from an existing install 
> > os. So i have to make partition on this disk manually.
> Then don't bother with LVM, create a few separate partitions 
> with your 
> Dom0 LVM, and mount those *directly* as /dev/sda1, /dev/sda2, etc. in 
> the DomU. LVM is cool and neat and wonderful, but it's also pretty 
> flipping pointless to put on top of an existing LVM system. Like 
> gzipping a file twice, you don't gain much and it costs you 
> management 
> and computational overhead to deal with.

Except of course that Trilok was talking about a HVM domain, and HVM
domains don't allow partitions to be used directly - only complete disks
are seen by the guest. 


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