Reliability Specifications

Reliability Specifications

Table 22 Reliability Specifications

Mean Time Between Failures

The LTO-3 Half-Height Tape Drive is designed for maximum reliability and data integrity. Table 22 lists the reliability specifications.

Specification

Description

 

 

Cartridge load/

100,000 cartridge load/unload cycles (no

unload

thread)

 

 

Error recovery and

• Error correction code techniques

control

(C1 and C2 ECC)

 

Read-after-write (RAW)

 

• Error monitoring and reporting (error log)

 

• Retry on

 

 

Mean time between

250,000 hours MTBF at 100% duty cycle:

failures (MTBF)

power applied and tape moving continuously

 

(tabletop drive; 50,000 hours at full load and

 

25°C)

 

 

Mean time to replace

Less than 30 minutes

(MTTR)

 

 

 

Nonrecoverable error

Less than 1 in 1017 bits

rate

 

 

 

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% of the power-on time. Operational time is the time the tape is loaded.

Quantum A-Series Tape Drives User’s Guide

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Quantum Audio A-Series manual Reliability Specifications, Mean Time Between Failures, Specification Description

A-Series specifications

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