Chapter 28. Disaster Planning
Smart SCUBA divers dive with a buddy and carry an alternate air source, even though they’ve trained extensively and checked their equipment thoroughly. Schools and businesses have fire drills even though the vast majority of buildings never burn down. System administrators are no different—we do verified backups and write up disaster recovery plans we hope never to use. But we do them because there are only two types of networks: those that have experienced disaster and those that haven’t—yet.
Disaster can take many forms, from the self-inflicted pain of a user or administrator doing something really, really unwise to the uncontrollable, unpreventable results of a natural disaster such as a flood or an earthquake. ...