12.APPENDIX E: Medium Auxiliary Memory Attribute
Table 12-9: PARTITION USAGE HISTORY attribute format
Bit | 7 | 6 | 5 | 4 | 3 | 2 | 1 | 0 |
Byte
0(MSB)
| CURRENT AMOUNT OF DATA WRITTEN | |
3 | ||
(LSB) | ||
|
4(MSB)
| CURRENT WRITE RETIES COUNT | |
7 | ||
(LSB) | ||
|
8(MSB)
| CURRENT AMOUNT OF DATA READ | |
11 | ||
(LSB) | ||
|
12(MSB)
| CURRENT READ RETRIES COUNT | |
15 | ||
(LSB) | ||
|
16(MSB)
| PREVIOUS AMOUNT OF DATA WRITTEN | |
19 | ||
(LSB) | ||
|
20(MSB)
| PREVIOUS WRITE RETRIES COUNT | |
23 | ||
(LSB) | ||
|
24(MSB)
| PREVIOUS AMOUNT OF DATA READ | |
27 | ||
(LSB) | ||
|
28(MSB)
| PREVIOUS READ RETRIES COUNT | |
31 | ||
(LSB) | ||
|
32(MSB)
| TOTAL AMOUNT OF DATA WRITTEN | |
35 | ||
(LSB) | ||
|
36(MSB)
| TOTAL WRITE RETRIES COUNT | |
39 | ||
(LSB) | ||
|
40(MSB)
| TOTAL AMOUNT OF DATA READ | |
43 | ||
(LSB) | ||
|
44(MSB)
| TOTAL READ RETRIES COUNT | |
47 | ||
(LSB) | ||
|
48(MSB)
| LOAD COUNT | |
51 | ||
(LSB) | ||
|
52(MSB)
| CHANGE PARTITION COUNT | |
55 | ||
(LSB) | ||
|
56(MSB)
| PARTITION INITIALIZE COUNT | |
59 | ||
(LSB) | ||
|
The CHANGE PARTITION COUNT field indicates the number of times that switches to the partition specified by the PARTITION NUMBER field in the CDB have been performed on the medium. This count accumulates over the life of the medium but it is reset to zero after a medium format.
The PARTITION INITIALIZE COUNT field indicates the number of times that the partition specified by the PARTITION NUMBER field in the CDB has been initialized. This count accumulates over the life of the medium but it is reset to zero after a medium format.
SONY |
