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How would I go about duplicating a truecrypt hard drive for redundancy purposes?

I have lots of original video content, which I store on encrypted drives. And wanted to know the best way to create truecrypt backups

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Just dd the partition or copy the Truecrypt container. They don't depend on any weird drive-related stuff, but you'll want to have the keyfiles around. – hexafraction Dec 31 '12 at 20:43
What is ` dd `? – oshirowanen Dec 31 '12 at 21:00
dd is used to make direct copies of hard disks or partitions. – hexafraction Dec 31 '12 at 21:02
up vote 0 down vote accepted

If you know what disk they are:
dd if=/dev/input partition of=/dev/output partition

Find the disk names in Disk Utility.

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