Compaq AlphaServer GS60 Operation Manual page 173

In Example 6-20:
Testing begins on each disk.
A hard error, error #1, is reported on FRU duc4.0.0.12.0, a disk associated with
the kzmsa adapter. The three types of errors reported are hard, soft, and fatal.
The error number, in this case error #1, corresponds to the location of the actual
error report call within the source code for the failing diagnostic. The FRU, or
field-replaceable unit, is duc4.0.0.12.0.
The process identification number (ID) is 481. This is the process ID of the
failing diagnostic.
The program running when the error occurred is dsk_ex, or, the disk exerciser.
The target device selected for testing at the time of the error. The device name in
this field may or may not match the device mnemonic displayed in the FRU field
( ).
The current pass count, 18, is the number of passes executed when the error was
detected.
The current hard error count is 1. The hard and soft ( ) error counts are the
number of errors detected and reported by the failing diagnostic since the testing
started.
In this example, the failing test number is 1.
The time stamp shows when the error occurred.
System Troubleshooting 6-51