Sony SDX-900V Series, Технические характеристики

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6.Command Specification LOG SENSE
6-30 SONY AIT-4 drive SDX-900V series Ver.2.1
6.6.12. AIT Log Page (Sony Unique)
This page is for the AIT original Tape Log. The AIT Tape Log of each fields are larger than legacy Tape Log Page.
The legacy Tape Log Page returns the part of AIT original. This page indicated the Partition Information at the
current Partition.
Table 6-33: AIT Log Page
Bit
Byte
7 6 5 4 3 2 1 0
0 Page Code (3Ch)
1 Reserved
2 (MSB) Page Length (n+1)
3 (LSB)
Bit
Byte
7 6 5 4 3 2 1 0
0 (MSB) Parameter Code (0001h - 0012h and 0101h - 0112h)
1 (LSB)
2 DU (0) DS (1) TSD (0) ET (0) TMC (00) LBIN (0) LP (0)
3 Parameter Length (n-3)
4 (MSB) Parameter Value
N (LSB)
Parameter Code:
Code Description Length
0001h
0002h
0003h
0004h
0005h
0006h
0007h
0008h
0009h
000Ah
000Bh
000Ch
000Dh
000Eh
000Fh
0010h
0011h
0012h
Current Groups Written
Current Rewritten Tracks
Current Groups Read
Current C3 ECC Count
Previous Groups Written
Previous Rewritten Tracks
Previous Groups Read
Previous C3 ECC Count
Total Groups Written
Total Rewritten Tracks
Total Groups Read
Total C3 ECC Count
Load Count
Access Count
Update Replace Count
Last Valid Absolute Frame Number
Partition Attribute
Maximum Absolute Frame Number 8
8
8
8
8
8
8
8
8
8
8
8
4
4
8
8
8
8
Previous Groups Written: This is the number of groups physically written to the tape or partition since the last
update of the System area. Where Repeat Writing is in force, this count increments for each instance.
Total Groups Written: This is the total number of groups physically written to the tape or partition since the first time
the tape or partition was written. The number accumulates over the life of the tape but is ZEROed by a format pass.
Where Repeat Writing is in force, this count increments for each instance.
Previous Groups Read: This is the number of groups physically read from the tape or partition since the last update
of the System area.
Total Groups Read: This is the total number of groups physically read from the tape or partition since the first time
the tape or partition was written. This does not include any reading as part of a Read-After-Write check. The number
accumulates over the life of the tape but is ZEROed by a format pass.