Tandberg Data SDLT220-320 INTEGRATION, Руководство по эксплуатации продукта

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CHAPTER 3: Drive Specifications
3.1.7 Reliability (MTBF)
Mean time between failures (MTBF) for the overall tape system is projected to be
250,000 hours. Head life is a minimum of 30,000 tape motion hours and an
average of 50,000 tape motion hours. Media durability is 1,000,000 passes.
N
OTE
:
Tandberg Data does not warrant that predicted
MTBF is representative of any particular unit installed for
customer use. Actual figures vary from unit to unit.
3.1.8 Load and Unload Cycles
Load and unload cycles are rated at 15,000 for the cartridge itself. Table 3-5 shows
the number of load and unload cycles and tape insertions an SDLT drive can
perform before it needs to be replaced.
3.2 Functional Specifications
The following subsections contain full functional specifications for the
Tandberg
SDLT 220/320 tape drives.
Table 3-5.
Load and Unload Cycles (Maximum)
SDLT 220 SDLT 320
Load/unload cycles 50,000 100,000
Tape insertions* 50,000 100,000
* An insertion is when a tape is inserted into the receiver, loaded to BOT, and unloaded.