Surviving serious events.
WHAT FACILITIES PROTECT AGAINST
Component failure Power loss Cooling failure
WHAT THEY CANNOT PROTECT AGAINST
Loss of the facility itself Regional events Your own mistakes
WHAT THAT MEANS
A single facility, however good, is a single point of failure.
WHAT TO ESTABLISH
How long you could operate without it How much data you could lose
WHAT THOSE TWO FIGURES DRIVE
Backup frequency and recovery arrangements.
WHAT ARRANGEMENTS EXIST
Backups held elsewhere A secondary location, ready to varying degrees Replication between locations
WHAT MOST SMALL BUSINESSES NEED
Backups held in a different location, and a tested restore.
WHAT TO TEST
Restoring, on a schedule.
WHY
An untested backup is an assumption.
WHAT TO MEASURE
How long a full restore actually takes.
WHAT TO DOCUMENT
The recovery procedure, stored outside the systems it recovers.
WHAT TO REVIEW
Annually, and after any significant change.
