For example, if it happens that you use 3 cartridges each day, then cleaning is required every three weeks. In
that case, if you are using backup model 3, you should store a cleaning cartridge with one particular set of
weekly full backup cartridges, so the heads are cleaned every time that set is used.
Success with DDS media
Because of the crucial importance of data integrity in computer environments, Hewlett-Packard strongly
recommends that you only use Hewlett-Packard DDS cartridges labeled "DDS Media Recognition System."
Hewlett-Packard's DDS tape drives are designed for optimum performance using these tape cartridges.
Please pay particular attention to the media handling and drive cleaning instructions set out earlier in this
chapter.
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A3542A DDS-3 Tape Drive User's Guide