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12.APPENDIX E: Medium Auxiliary Memory Attribute
The CURRENT AMOUNT OF DATA READ field indicates the amount of data physically read from the medium
during this load of the medium. This value is expressed in increments of 1048576 bytes (e.g., a value of one
means 1048576 bytes, two means 2097152 bytes, etc.).
The CURRENT READ RETRIES COUNT field indicates the number of times a read retry was performed during
this load of the medium. The exact definition of the error counters is not part of this standard. This counter should
not be used to compare products because the products may define errors differently.
The PREVIOUS AMOUNT OF DATA WRITTEN field indicates the amount of data physically written to the medium
during the previous medium load. This value is expressed in increments of 1048576 bytes (e.g., a value of one
means 1048576 bytes, two means 2097152 bytes, etc.).
The PREVIOUS WRITE RETRY COUNT field indicates the total number of write retries during the previous
medium load. The exact definition of the error counters is not part of this standard. This counter should not be
used to compare products because the products may define errors differently.
The PREVIOUS AMOUNT OF DATA READ field indicates the amount of data physically read from the medium
during the previous medium load. This value is expressed in increments of 1048576 bytes (e.g., a value of one
means 1048576 bytes, two means 2097152 bytes, etc.).
The PREVIOUS READ RETRIES COUNT field indicates the number of times a read retry was performed during
the previous medium load. The exact definition of the error counters is not part of this standard.
This counter should not be used to compare products because the products may define errors differently.
The TOTAL AMOUNT OF DATA WRITTEN field indicates the total amount of data physically written to the medium
since the last medium format. This value accumulates over the life of the medium but it is reset to zero after a
medium format. This value is expressed in increments of 1048576 bytes (e.g., a value of one means 1048576
bytes, two means 2097152 bytes, etc.).
The TOTAL WRITE RETRIES COUNT field indicates the total number of write retries since the last medium
format. This count accumulates over the life of the medium but it is reset to zero after a medium format. The exact
definition of the error counters is not part of this standard. This counter should not be used to compare products
because the products may define errors differently.
The TOTAL AMOUNT OF DATA READ field indicates the total amount of data physically read from the medium
since the last medium format. This value accumulates over the life of the medium but it is reset to zero after a
medium format. This value is expressed in increments of 1048576 bytes (e.g., a value of one means 1048576
bytes, two means 2097152 bytes, etc.).
The TOTAL READ RETRIES COUNT field indicates the number of times a read retry was performed since the last
medium format. The exact definition of the error counters is not part of this standard. This counter should not be
used to compare products because the products may define errors differently. This count accumulates over the life
of the medium but it is reset to zero after a medium format.
The LOAD COUNT field indicates the number of loads since the last medium format. This count accumulates over
the life of the medium but it is reset to zero after a medium format.
The TOTAL CHANGE PARTITION COUNT field indicates the number of times that switches between partitions
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. This field is not supported and always will be set to ZERO.
The TOTAL PARTITION INITIALIZE COUNT field indicates the number of times that any of the partitions on the
medium have been erased. This count accumulates over the life of the medium but it is reset to zero after a
medium format. This field is not supported and always will be set to ZERO.
0341h PARTITION USAGE HISTORY: This attribute value provides statistical counters (Table 12-9) for the
partition specified by the PARTITION NUMBER field in the CDB. If a field is not used, it will be set to ZERO.
SONY AIT-5 drive SDX-1100V series Ver.1.0
12-7
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