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display errors
Issue 4 May 2002 8-77 555-233-123
display errors
This command creates an Alarm Report from a user-option screen to select the
report parameters. The system creates the reports from the logs of the
maintenance subsystem, which monitors the system hardware and logs problems
as errors or alarms.
Errors can result from in-line firmware errors, periodic tests, failures detected
while executing a test command, software inconsistency, or a data audit
discrepancy.
System Reboots and the Error Logs
The system saves the alarm and error logs to the active SPE memory card if any
of the following events occur:
— The save translation command is executed.
— Translations are saved as part of scheduled maintenance.
— A reboot
— The PPN is about to lose all power after having been on battery backup.
The attempt to save the alarm and error logs may be unsuccessful if the MSS is
not available.
Whenever the system reboots, the logs are restored from the SPE disk that
becomes active with the reboot. Since the logs are saved to the disk on the SPE
that was active before the reboot, the versions restored at reboot time may not be
current. This condition occurs if:
— The attempt to save at reboot did not succeed.
— The SPE disk that is rebooted is not the same disk to which the logs were
last saved.
In such a case, the logs do not contain the most recent errors and alarms. To
determine if the restored logs are complete, look for indications that would have
preceded the reboot.
System resets, less severe than a reboot, rarely affect the error and alarm logs.
NOTE:
If the error and alarm logs contain SYSTEM errors, then use the display
initcauses command to search for information that system could not log
during reset operation.