[plug] Chroot, UML, Servers

[Timothy White]

I am looking at creating a Linux server that can easily change
boxes/locations easily.
I would like the ability to just 'uproot' the server and 'transplant' it
else where.
For example, the physical server I currently have sitting in the other
room needs to be replaced, But I have so much already on the server and
it is needed so I can't afford more than about 1 min down time (approx
time for a reboot)
So, I want away to uproot the server, run it in a UML or chroot or both
on another box. Take down the old server, build the server up on new
hardware, then move the running server from the temporary hardware to
new hardware. So basically I want the hard disk to be virtual and just
move between boxes, I want the server to be running obviously using
different hardware (it only needs a serial port for modem and ethernet
port for network.
So I was thinking that probably it would be LVM running on an image
file, with a 'dummy' net driver that just takes advantage of the host
system but still allows it to have it's own IP's.
The host system should only need the absolute basics of a Linux system
(something so small that it could be a live CD) with ethernet and
obviously the bare basics required to run the 'guest' server.

Any ideas?

Thanks

Tim

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Tim White - Use the Fox, Luke!
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Linux linmedia 2.6.10linmedia #4 Mon Feb 21 21:19:38 WST 2005 i686 GNU/Linux

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