1-8 Compaq DAT AutoLoader Reference Guide
■Computer performance — The lower the performance of the computer, the more likely that streaming cannot be maintained and that an increase in the number of passes over given areas of a cassette
will occur.
■Backup Software — The backup software may frequently access certain areas of a cassette, or there may be a high system overhead that can cause streaming to stop. Both of these factors increase the number of cassette passes in a given area.
Because these parameters vary from system to system, it is difficult to give a definitive statement of the number of backup operations achievable using a particular cassette.
As a guideline, Compaq recommends using a cassette for approximately 75 backup operations in