Backups

There are two kinds of people in the world: people who keep backups, and people who haven't lost all their data yet.

Cloud Storage

 * Providers
 * Caveats

"On site" backups
For information about disk selection, see Hard Drives
 * Caveats

Resilience, and why RAID is not a backup

 * RAID
 * Software RAID
 * Data Rot

Recovering from Failure
Simply having a backup is not enough, you need to plan how you will restore from that backup