This chapter includes the following information:
- Determining Available Disk Space 
- Recovery from "Out of Disk Space"
during Update 
- Using the ShowUSAGE Command 
- Using the ALTERVOL Command 
- Using Alternative Disk Space Allocation 
If you are on release 5.0 or later and do not have sufficient
contiguous disk space on LDEV 1, follow the instructions in this
Appendix. If you are on a release earlier than 5.0, first upgrade
to release 5.0 or 5.5 using the instructions in the appropriate
manual for that release to check disk space.