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[Xen-users] How to force xm create to allow same disk mounted to more th

To: xen-users@xxxxxxxxxxxxxxxxxxx
Subject: [Xen-users] How to force xm create to allow same disk mounted to more than one quest
From: mghofran@xxxxxxxxxxxxxxxxxxxxx
Date: Wed, 30 Sep 2009 08:17:49 -0400
Delivery-date: Wed, 30 Sep 2009 05:18:43 -0700
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Thread-topic: How to force xm create to allow same disk mounted to more than one quest

In my system I'd like to be able to share one disk among multiple xen quests and boot them up using this shared disk. Is it possible to set a flag somewhere to avoid the following error.

# xm create guest2 kernel="/TMP/vmlinuz" ramdisk=/TMP/initrd.img bootloader="" extra=rescue
Using config file "./guest2".
Error: The uname "/dev/sdz" is already used by another domain

What I am trying to do is to have one disk which it's boot partition would show a menu to choose different OS from it while the logical volumes in that one disk would point to different OS.

Any help is appreciated.

# uname -r
2.6.18-164.el5xen

Matthew


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