Keeping a backup log book
We recommend that you maintain a written log book for each
computer at your site.
Record all the information about the hardware and software configuration
for each computer, as well as all maintenance information
(such as when a breakdown occurs and what was done to correct the problem).
In addition, use this log book to keep track of the backup history for each computer. If your system is damaged such that the online backup history information is unavailable, you can use this information to construct a backup set from which to restore your system.
For each backup of the system: