Write Error Counters log page

The Write Error Counters log is page 02h. The Page Length is 38h. There are seven parameters, 0 through 6. All fields are four bytes long.

All these counters are updated when the data set is physically written. They relate to the current tape and are cleared when the tape is unloaded.

Parm. Definition

Description

 

 

0Errors corrected without substantial delay Total number of errors corrected without delay

1

Errors corrected with possible delays

Total number of errors corrected using retries

 

 

 

2

Total

Sum of parameters 3 and 6

 

 

 

3

Total errors corrected

The number of data sets that needed to be rewritten

 

 

 

4

Total times error correction processed

Number of CCQ sets rewritten

 

 

 

5

Total data sets processed

The total number of data sets written

 

 

 

6

Total uncorrected errors

The number of data sets that could not be written

 

 

 

This data can be reset to zero, but not written.

Read Error Counters log page

The Read Error Counters log is page 03h. The Page Length is 38h. There are seven parameters, 0 through 6. All fields are four bytes long.

All these counters are updated when the data set is physically read. They relate to the current tape and are cleared when the tape is unloaded.

Parm. Definition

Description

 

 

0Errors corrected without substantial delay Total number of errors corrected without delay

1

Errors corrected with possible delays

Total number of errors corrected using retries

 

 

 

2

Total

Sum of parameters 3 and 6

 

 

 

3

Total errors corrected

The number of data sets that were corrected after a

 

 

read retry

 

 

 

4

Total times error correction processed

Number of times C2 correction is invoked

 

 

 

5

Total bytes processed

The total number of data sets read

 

 

 

6

Total uncorrected errors

The number of data sets that could not be read after

 

 

retries

 

 

 

This data can be reset to zero, but not written.

60 Commands