7.5.1 Answers

7.6 Exercises

  1. Determine the status of an error logging daemon on the system.

  2. Display the error log on the system. Delete all the software enteries from the error log.

  3. Determine the size of error log file on the system.

  4. Display only the errors with resource name hdisk0 from the error log.

  5. Copy the error log on to a tape device (/dev/rmtx).

  6. You have applied a new APAR. Log an entry into the error log to record this activity. With what resource name is the entry listed when you display the error log with errpt command?

  7. Estimate the dump size for the system. Display your current dump device configuration. If the size of a dump device is less than the estimated dump size, increase the size of the dump device and initiate a dump on the system.

  8. Verify the system dump taken in the preceding step using crash command.

  9. Copy the dump on to a tape using snap command.

Chapter 8. System Backup and Restore