The backup tapes for the AI lab sun fileservers are stored in the desk which life's console sits on.
Incremental tapes are in the upper drawer, recent full dumps are in the lower drawer.
Full dumps which are more than a few months old are in a bookshelf in Rm. Read the man page on dump for details about dump and dump levels. The basic idea is that if a file has been modified since the last full dump of a partition, it can be retrieved from an incremental backup. Find a tape drive Use the tape drives on mini-wheats or muesli. There are two types of 8mm drives at the AI lab, high density and low density.