The Tape Library Error Code Summary Report provides a summary of error codes logged and is listed by control unit address. Figure 1 shows an example of this report.
The error codes can provide an entry into the maintenance information
manual for both drive and control unit failures.
Figure 1. Tape
Library Error Code Summary Example
- 1
- Report Date, Period From, Period To
- REPORT DATE is the Julian date the report ran.
- PERIOD FROM is the Julian date of the earliest record.
- PERIOD TO is the Julian date of the latest record.
- 2
- The sequence number obtained from sense bytes 21–23 of the OBR 23 log record.
- 3
- The device number or the control unit address obtained from the
offset (decimal) OBR format 23 log record.
Because of the way unsolicited unit checks are handled, this field may contain the address of devices that are not physically present.
- 4
- The central processing unit obtained from bytes 20–21 of the OBR 23 log record.
- 5
- Identifies the associated channel adapter to which command the error was reported.
- 6
- Identifies the control unit reporting the error and refers to sense byte 2, bit 3 of the OBR 23 log record.
- 7
- Identifies the control-unit-detected error and refers to sense byte 2, bit 4 of the OBR 23 log record.
- 8
- The library manager error code obtained from sense bytes 9–10 of the OBR 23 log record.
- 9
- Contains zeros or contains additional information obtained from sense bytes 11–12 of the OBR 23 log record.
- 10
- Obtained by adding each of the same values from the error codes.
- 11
- Obtained from bytes 8–11 and 12–15 of the OBR log record.