LOG SENSE

6.Command Specification

6.6.8. Tape Capacity Log Page (Sony Unique)

The tape Capacity Log Page is used to indicate the approximate capacity of the tape currently being used. The PC field of the LOG SENSE command is ignored for this field.

When the AIT bit is set to ZERO in Mode Sense Page 31h, the 36 bytes of the log page shall be returned. When the AIT bit is set to ONE, the 1028 bytes of the log page shall be returned.

The 36 bytes of the log page have the following format.

Table 6-23: Tape Capacity Log Page

 

Bit

7

6

5

4

 

3

 

2

1

0

 

Byte

 

 

 

 

 

 

 

 

 

 

 

0

 

 

 

Page Code (31h)

 

 

 

 

1

 

 

 

Reserved (0)

 

 

 

 

2

(MSB)

 

Page Length (00 20h when AIT bit =0

 

 

 

3

 

 

 

 

04 00h when AIT bit =1)

 

(LSB)

 

4

(MSB)

 

 

Parameter Code

 

 

 

 

5

 

 

 

 

 

 

 

 

 

(LSB)

 

6

DU (0)

DS (1)

TSD (1)

ETC (0)

 

TMC (11)

 

LBIN (0)

LP (0)

 

7

 

 

 

Parameter

Length (04h)

 

 

 

 

8

(MSB)

 

 

Parameter Value

 

 

 

 

11

 

 

 

 

 

 

 

 

 

(LSB)

Tape Capacity Log Page Parameters:

 

 

 

 

 

 

 

 

 

Table 6-24: Tape Capacity Log Parameter Codes

Parameter Code

Description

0001

Remaining capacity, partition 0 (kilobytes)

0002

Reserved

0003

Maximum capacity, partition 0 (kilobytes)

0004

Reserved

SONY AIT-3Ex drive SDX-800V series Ver.1.1

6-25

Page 83
Image 83
Sony SDX-800V manual Tape Capacity Log Page Sony Unique, Tape Capacity Log Bit Byte Code 31h, TMC Lbin Parameter Length 04h