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Cloning an entire RAID1 disk pair onto another RAID1 disk pair

We have two identical HP Proliant ML310 G4 server. Each server has two SAS disks configured as a RAID1 array. We need to clone one server onto the other one. What is the best procedure ? We would like to take advantage of the RAID controller re-sync capability, and we would like to know how to proceed. Our operating system system is CentOS (alhtough I don't think this actually matters).
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Why not just use one of the many ghost alternatives.

Free Drive imaging Free ghost alternatives
also some free alternatives

http://ghost.radified.com/ghost_alternatives.htm
http://www.911cd.net/forums//index.php?showtopic=16534
 
http://www.osalt.com/ghost


I hope this helps !
I use DriveSnapShot for my imaging. It's geared toward Windows, but will work with some linux file systems. You'd need a BartPE boot CD to use it to image different OS. So it's probably not a good solution in this case, but it's great for windows based systems.

http://drivesnapshot.de/en/index.htm
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