8.7.1 Answers

8.8 Exercises

1. Perform a back up of your system using mksysb. Make sure that you exclude the /tmp file system from your backup. In addition to this you must backup all your user file system in your rootvg.

2. Check out your smit.log for any errors during your backup operation.

3. With the mksysb tape you have just made, perform the following tasks:
   • Create a listing of the contents of the tape.

   • Verify that your backup contains all the files.

   • Find out the block size of the tape when you took your backup.

   • Using your mksysb tape, find out the date when it was saved.

   • Verify that you can boot off this mksysb tape.

   • Restore /etc/hosts and /etc/filesystems file from your mksysb tape.

4. Save your rootvg using the savevg command and use a separate tape for backup.

5. Try restoring your rootvg from your mksysb tape using the restvg command.

6. Create a raw logical volume and save your raw logical volume using the dd command.

7. Use backup, restore, and tar commands to backup your user file systems.

Chapter 9. System Performance