RE: [Xen-users] Cloning a Windows VM

["Artur Linhart - Linux communication" <AL.LINUX@xxxxxxxxxxx>]

Hello,

        Is it impossible just to create new logical volume of the same size
with lvcreate and simply copy with dd all bytes from the old LV to the new
one and only modify the configuration file to read from the new physical
device? (or to create the modifiable snapshot logical volume) I think this
could work - the partition itself should know nothing about the physical
location where and how it really runs... Or am I wrong?

        With regards,

                Archie

-----Original Message-----
From: xen-users-bounces@xxxxxxxxxxxxxxxxxxx
[mailto:xen-users-bounces@xxxxxxxxxxxxxxxxxxx] On Behalf Of Ligesh
Sent: Wednesday, June 20, 2007 1:13 AM
To: Xen Users
Subject: [Xen-users] Cloning a Windows VM

 Hi folks,

 I am trying to manually clone a windows HVM. Here are the steps I followed.

 I am trying to clone a windows HVM running on /dev/VolGroup00/windows to
another LV /dev/VolGroup00/swindows

 1) losetup -o (63 * 512) /dev/loop6 /dev/VolGroup00/windows

 2) ntfsclone --save-image -O myfile.img /dev/loop6

 3) losetup -d /dev/loop6

 4) parted /dev/VolGroup00/swindows mklabel msdos
 
 5) parted /dev/VolGroup00/swindows unit s  mkpart primary ntfs 0 6666666
set 1 boot on

 6) losetup -o (63 * 512) /dev/loop7 /dev/VolGroup00/swindows

 7) ntfsclone --restore-image -O /dev/loop7 myfile.img

 8) losetup -d /dev/loop7


 Then I tried to start the VM out of the new LV (swindows). I got an error:
A disk read error occurred at the beginning. Basically the problem seems to
be with the disk image I created with parted. ntfsclone is working fine, if
I write it back on the same LV. 

 Does anyone here know how to create a bootable disk image for windows.
Using ntfs-utils you can cleanly copy the file system alone into a
partition, otherwise you end up losing the ability to manipulate the disk
size easily.

 Thanks.





 

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