Quantum lto 4 Betriebsanweisung

Chapter 5  Specifications

Drive Performance Specifications

LTO-4 Half-Height Tape Drive User’s Guide

36

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

Maximum rewind time  

(650-m tape)

< 115 seconds

Recording density

6,760 RLL-encoded ONEs per mm

Recording format

Ultrium 16-channel (U-416)

Recording method

0, 13/11 RLL

Recording undetectable errors

Less than 1 in 10

27

 data bits

Recording unrecoverable errors

Less than 1 in 10

17

 data bits

Synchronous transfer rate 

(burst)

160 Mbytes per sec max

Tape drive type

LTO (Ultrium)

Tape speed

Up to 6.07 meters per second

Track density

70 tracks per mm

Transfer rate (sustained)

120 Mbytes/second (max, native)