SyncToy v1.4 - not sure if it would be the ticket for operating system - but I use it to copy Docs and such to a external HDD as backup. The External echo the primary. Can be set up several different ways.
you could also mirror them, but you will need a RAID card for that.
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Yea setting up two drives in a RAID array would be the "standard" way to do it, but you need hardware that supports it. I dunno if you can take a drive not configured for RAID and RAID-ify it though. Don't have to mess with raid drives very often...
__________________ "The foolishness of that comment is so deep, I can only ascribe it to higher education. You HAVE to have gone to college to say something that stupid."
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RAID 1. What you describe is exactly what it's for.
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