>Networked backups a good idea, off-site backups even better! I've never
>heard of this happening before, but I'm paranoid now.

A reasonable scheme is to have several hard drives in those removable
carriers. If it is possible to mirror the drive in the machine, or even do a
file copy of the important directories, and then remove the drive in the
carrier to take home overnight. Next day bring in a different carrier and do
the same again, so you rotate the carrier drives through the machine.

In my days doing computer servicing it was recommended that the tape backup
system had a rotation of minimum three tapes in what was known as
"grandfather-father-son" rotation, and the backup software had flags to
enforce this, although it could be overwritten if you had to. Any sort of
backup system needs to do something like this so you have a fallback
position if the most recent backup does fail.

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