beautypg.com

Tape usage log page, Tape capacity log page – HP C737990900 User Manual

Page 69

background image

Commands

69

Co

m

m

an

ds

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