See "Managing File Systems" in the AIX Version 4.3 System Management Guide: Operating System and Devices for information on extending file systems.
Run the mkszfile command and then run the mksysb command again.
This message is displayed with one of the following:
bosboot -d /dev/device -a failed with return code Number
mkinsttape /dev/device failed with return code Number
This may be caused by an incorrect density setting for the tape-drive/tape-type/device-name combination, dirty tape drive heads, or a tape drive hardware problem.
The / directory must have at least 500 1KB blocks. The /tmp directory must have at least 7400 1KB blocks, and the /usr directory must have at least 4000 1KB blocks. See "Managing File Systems" in the AIX Version 4.3 System Management Guide: Operating System and Devices for information on extending file systems.
If cleaning the tape drive heads does not correct the problem, contact your system administrator.