>> I have a 500GB Sata drive about 15% used I would like to make an exact >> copy of too another Sata 500GB drive as a spare. That way if >> something happens to the one in service I can plug in the spare >> quickly and restore one of the weekly backups without reinstalling the >> entire OS and all the little tweaks of setup on this mail/web server. >> >> How do I do this? That is make an exact bootable copy of a linux >> drive. Its running Centos 4.6 if that matters. >> > > stupid question ... why not just put it in the machine and make it a raid1 > mirror > > then, if the first one dies, you just use the second one :D How do you do that? Matt