Commands 69
Commands
Tape Usage Log Page
The Tape Usage Log Page code is 30h. There are nine parameters. These are
all read directly from the LTO-CM Tape Usage Log.
This data can be neither reset nor written.
Tape Capacity Log Page
The Tape Capacity Log Page code is 31h. The Page Length is 20h. There are
four parameters, 1 through 4. Parameters 2 and 4 are not supported and are
returned as zero. All parameters are 4 bytes long. All parameters are in
megabytes (1,048,576 bytes) and assume no compression. This data can be
neither reset nor written.
The supported parameters are as follows:
Parm. Description Length
1 Thread Count
4
2 Total Data Sets Written
8
3 Total Write Retries
4
4 Total Unrecovered Write Errors
2
5 Total Suspended Writes
2
6 Total Fatal Suspended Writes
2
7 Total Data Sets Read
8
8 Total Read Retries
4
9 Total Unrecovered Read Errors
2
Parm. Description Length
1 Main Partition Remaining Capacity
4
2 Alternate Partition Remaining Capacity
4
3 Main Partition Maximum Capacity
4
4 Alternate Partition Maximum Capacity
4
