Quantum Tape Drive A-Series, Руководство пользователя

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Drive Performance Specifications
Quantum A-Series Tape Drives User’s Guide 47
Drive Performance Specifications
Table 21 lists the performance specifications of the LTO-3 Half-Height
Tape Drive.
Table 21 Drive Performance
Specifications
Specification Value
Average data access time
(650-m tape) from BOW
(beginning of wrap)
60 seconds
Average rewind time
(650-m tape)
> 51 seconds
Max rewind time
(650-m tape)
< 120 seconds
Capacity
LTO Ultrium 3 (680 m) 400 Gbytes (native)
Cartridge unload time (if Table
of Contents does not require
updating)
25 seconds
Read Table of Contents 30 – 90 seconds (depending on size)
Error recovery Read-after-write Reed Solomon
ECC (2 levels)
Flux density 10249 cells per mm
Head configuration 2 bumps
16 thin-film write heads per bump
16 MR read heads per bump
2 MR servo heads per bump
Maximum data access time
(650-m tape) from BOW
120 seconds