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Installation
Mean time between failures
Mean time to repair
LTO cartridge specifications
Environmental considerations
The mean time between failures (MTBF) for the internal drive is specified at 250,000
hours minimum. This specification includes all power-on and operational time but
excludes maintenance periods. Operational time is assumed to be 100 percent of the
power-on time. Operational time is the time the tape is loaded.
The MTBF for the external drive power supply is 50,000 hours with the unit operated
at full load and 25°C.
Note.
The MTBF rating does not represent any particular drive, but is derived from
a large database of test samples. Actual rates may vary from unit to unit.
The mean time to repair (MTTR) is the average time required by a qualified service
technician to diagnose a defective drive and to install a replacement drive. The
MTTR for LTO products is less than 0.5 hour (30 minutes).
The Seagate LTO drives are field-replaceable units. If a problem occurs with a
subassembly or component in the drive, you should replace the entire unit. Return
the drive to the factory in its original packaging. Contact your distributor, dealer, your
computer system company or your Seagate sales representative to arrange the
return.
Specification
Operating temperature
Relative Humidity
Wet Bulb Temperature
Max Localized Temperature-permanent tape damage
If during storage and/or transportation a cartridge has been exposed to conditions
outside the above values, it must be conditioned before use in the operating
environment. The conditioning shall be exposure to the operating environment for a
time equal to, or greater than, the time away from the operating environment, up to a
maximum of 24 hours. There shall be no deposit of moisture anywhere on or in the
cartridge.
The stray magnetic field at any point on the tape shall not exceed 4000 A/m.
11
Value
10°C to 45°C
10% to 80%
26° C max
> 52°C
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