Solaris Common Messages and Troubleshooting Guide


To correct this condition the system must be booted into single user mode. Then clear (do not delete) these files: /var/adm/utmp and /var/adm/utmpx. This can be done by typing:

#cat /dev/null > /var/adm/utmp
#cat /dev/null > /var/adm/utmpx
These commands zero-out the files but keep them with the correct permissions.

In some cases, after clearing these files, the /var file system might still be full. In this case type:

du -askd /var |sort -nr |more
This command gives you a listing of the files from largest to smallest in the /var file system. To create space you can zero these files: /var/cron/log, /var/spool/lp/logs, and /var/adm/messages. You can also check /.wastebasket for large files to delete.