User`s guide

LTO-3 Half-Height Tape Drive User’s Guide 44
Chapter 5
5Theory
This chapter describes operational theories used in the LTO-3 Half-
Height Tape Drive.
The topics covered in this chapter are:
• Track Layout
• Recording Method on page 46
• Data Buffer
on page 46
• Data Integrity
on page 46
• Data Compression
on page 48
Track Layout
With the LTO-3 Half-Height Tape Drive, there are 704 data tracks on the
LTO tape, numbered 0 through 703. Data track 703 is the track closest to
the bottom edge of the tape (the reference edge).
The area between adjacent servo bands is a data band. There are 4 data
bands, each of which includes 176 data tracks. The data bands are
numbered 2, 0, 1, 3. Data band 2 is closest to the bottom edge of the tape.