Maximum Usage of DDS Cassettes

 

Under optimal environmental conditions (50% relativ e humidity, 22￿ C),

 

Hewlett-Packard DDS cassettes are curren tly speci￿ed to 2000 passes o ver

 

any part of the tape. In operational terms, this can be translated in to

 

approximately 200 to 300 bac kup operations. This tak es into account that,

 

during a backup, an area of tape ma y have several passes because streaming

 

cannot be maintained, or because the bac kup softw are requires that certain

 

areas of the tape are accessed frequen tly.

 

Under certain conditions, the recommended n umber of backup operations needs

 

to be reduced. These conditions are as follows:

4

 

 

 

Sustained use at lo w humidity.

 

 

 

 

 

 

Backup software requiring certain areas of the tape being accessed frequen tly.

 

 

 

 

 

As a guideline, HP recommends that the n umber of backup operations should

 

be limited to 100 per cassette in extreme cases of the abo ve conditions.

 

In Case of Difficulty

 

If you experience any problems with the operation of the new driv e, contact

 

your HP service represen tative for assistance.

 

Configuring HP-UX for Printers and Drives 4-29

FINAL TRIM SIZE : 7.0 in x 8.5 in