I know that I've seen this discussed before, but can anyone point to a
concise description of how to take an existing, non-xen machine (in this
case a system running Debian Lenny), and,
1. shut it down
2. package up the state
3. move it into a VM (assume there's a 2nd computer, with Dom0 up and
running, on the same LAN)
4. start the VM and end up with a virtualized version of the original
environment chugging away
A little context: I'm trying to add hot-spare failover to a production
system (email, list services, web server, database) - by moving from a
standard Debian Lenny install to Debian Lenny running as a VM, backed by
DRBD, set for failover. The first step is to get the production
environment into a VM, and then I can set up all the failover stuff.
So... the above is just a little more complicated, in that there are 4
partitions that have to be moved:
/boot - raided volume --> xen setup on new machine
/swap --> drbd device on new machine, mounted in VM
/ --> drbd device on new machine, mounted in VM
/backup (another volume) -> drbd device mounted in VM
I'm currently proceeding down the path of replicating the environment in
a running VM, preparing to manually migrate config. and user data. But
if there's a simpler way, any suggestions would be very much appreciated.
Thanks,
Miles Fidelman
--
In theory, there is no difference between theory and practice.
In<fnord> practice, there is. .... Yogi Berra
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