Quantum LTO-4 (Model B), Руководство пользователя

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LTO-4 (Model B) Half-Height Tape Drive User’s Guide 35
Chapter 4
Theory
This chapter describes operational theories used in the LTO-4 (Model B) Half-
Height Tape Drive.
The topics covered in this chapter are:
• Track Layout
• Recording Method on page 37
• Data Buffer on page 37
• Data Integrity on page 37
• Data Compression on page 39
Track Layout
With the LTO-4 (Model B) Half-Height Tape Drive, there are 896 data tracks
on the LTO tape, numbered 0 through 895.
The area between adjacent servo bands is a data band. There are 4 data
bands, each of which includes 224 data tracks. The data bands are
numbered 3, 1, 0, 2. Data band 2 is closest to the bottom edge of the tape.