Quantum Scalar 218 Especificaciones descargar pdf (Pagina 63)

Operation and Maintenance 53

Causes of the Use Cleaning Tape Warning

The most common reasons that the Use Cleaning Tape LED gets turned on for, in order of

highest rate of occurrence, are listed below:

• Dirty ("Stained") heads.

A cleaning cycle must be executed to clear this indication.

• Worn tape.

DLT tapes are rated at 500,000 passes. Applications that overwrite small blocks of data

cause "shoe shining" of the tape against the head and will reach the 500,000 passes sooner

than might be expected.

• Bad environment.

Data errors result from a number of factors, each of which subtract from the margin

between good data recovery and an error. High levels of dust contamination, high

humidity, and heat can be significant factors.

• Worn heads.

The tape heads will eventually wear out causing the time between cleanings to get shorter

and shorter. The DLT2000XT, DLT4000, and DLT7000 drives have an MTBF rating of

30,000 hours.

Cleaning the Enclosure

The outside of the enclosure can be cleaned with a damp towel. If you use a liquid all-purpose

cleaner, apply it to the towel. Do not directly spray the enclosure.

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Quantum Scalar 218 Especificaciones Pagina 63