Layout Of A Partitioned Tape; Figure 29. Layout Of A Partitioned Tape - Seagate STD124000N Product Manual

Chapter 6
Pos. Tol.
Reference
Device
Band
Area Area
No. 1
Reference
Device
PBOT LBOT
350 mm
35
±10 mm
frames
Partition No. 1
Last
Amble
Recorded
Frames
Data Group
Data
Min. 12
frames
Vendor
Vendor
Group
Group
Preamble
System

Figure 29. Layout of a Partitioned Tape

Page 58

Layout of a Partitioned Tape

A partitioned tape provides the end-user with two independent partitions, or
effectively two single data space tapes on one tape cartridge. Each of the two
partitions have the similar structure and properties to those of a single data space
tape.
System System
Preamble Log
30
25
frames
frames
EOD Post-EOD 450 EOD
Area Frames
Area
EOD Post-EOD
Min. 450
VEOT
frames
Partition No. 0
Recorded
Recorded
Data Group
Data Group
No. 2
No. 1
Each partitioned tape's layout consists of a device area, Partition 1 and Partition 0,
located in order from PBOT to PEOT.
The device area is identical to that of a single data space tape.
Partition No. 1
Pos. Tol. Vendor
System
Band Group
Postamble
No. 2
Preamble
System
10
frames
Pos. Tol.
Reference System
Band
Area
No. 1
Reference
LBOT
Last
Recorded
Data Group
Data
Tape Formats
Recorded
Vendor
Data Group
Group
No. 1
Data
Partition No. 0
System
System
Preamble Postamble
Log
System
30 25
10
frames frames
frames
EOD
Amble
Area
Frames
EOD
Min. 450
Min. 12
frames
frames
Recorded
Data Group
No. 2
Pos. Tol.
Band
No. 2
Post-EOD
Area
Post-
EOD
DAT Drives