A conspiracy of cartographers, v4.0
Software RAID in Linux with mdadm
I run a RAID 1 (mirroring) with 2 disks. Cheap and simple. (And I don't have to fuck around with RAID card support under Linux.)
I just had 1 disk fail, so I'm about to replace it:
Cheat sheet on mdadm:
HOWTO on replacing a failed drive:
Hold on to your asses everyone. Reminder to self: pull the right disk.