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Re: [Xen-users] imaging an existing system?

Subject: Re: [Xen-users] imaging an existing system?
From: Miles Fidelman <mfidelman@xxxxxxxxxxxxxxxx>
Date: Mon, 16 Feb 2009 21:22:33 -0500
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Thomas Halinka wrote:
Hi Miles,

Am Montag, den 16.02.2009, 16:47 -0500 schrieb Miles Fidelman:

I have an old server, running Debian Sarge. I'm getting ready to migrate to a new machine - more horsepower, newer version of Debian, etc.

Good plan ;-)
I'm not so sure - it works, and as the saying goes, if it ain't broke, don't fix it . But... :-)

Thanks for the suggestions! I think I still need to work through a few details (like getting the network addresses right, and such), but this looks like a good start.


First boot up your old-system into rescue-mode (use knoppix, grml,
whatever) to get a consitent system....

Steps in dom0:

create an empty image file on dom0

dd if=/dev/zero of=/path/to/images/sarge-disk bs=1M count=5000
---> creates a 5GB-Disk

Format it

mkfs.ext3 /path/to/images/sarge-disk

Mount it

   mount -o loop /path/to/images/sarge-disk /mnt

Copy your data into it

   rsync -avzH --numeric-ids -e ssh root@old-system:/* /mnt/

umount && create domu.cfg

   umount /mnt && cd /etc/xen && cp $extisting-domu.cfg sarge.cfg
   vim sarge.cfg

In theory, there is no difference between theory and practice.
In practice, there is.   .... Yogi Berra

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