Chapter 5. Error messages, troubleshooting, and problem
solving
This chapter includes information on types of and codes for error messages,
troubleshooting techniques, and solutions for problems you might encounter.
Understanding error states
This section describes the differences between the following types of errors:
v Soft (recovered) errors
v Errors that result in partial availability
v Hard (unrecoverable) errors
v Host software and media errors
Soft (recovered) errors
Soft errors are hardware errors that the autoloader recovered from by retrying the
operation. Although soft errors are often transparent to a user, they are logged in
the soft-error log. To access the error log, select Main menu-->Information--
>Loader Information-->Soft (recovered) errors.
Periodically review the soft error log to monitor and track errors before they
become serious. If you see that a component has many soft errors, it might indicate
an autoloader component that is likely to fail. If the autoloader has a hard error
(see “Hard (unrecoverable) errors” on page 33) and you are unsure what caused it,
you can review the soft error log to help identify problem areas.
You can also use soft errors to identify the reason for backup software timeouts.
The backup software on the host computer allows for only a designated time for
each operation. If the autoloader takes longer than the backup software allows, it
might be due to the autoloader retrying a failed operation.
© Copyright IBM Corp. 2000 31
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