Please follow the below procedure with commands specified to free some resources on /tmp partition.
First stop the following services on the server.
service chkservd stop
service httpd stop
service mysql stop
service postgresql stop
After all the services are stopped, Immediately try to unmount the tmp partition.
umount /tmp
If it’s still coming up busy and unable to mount, you need to find out what processes have files open on it. Run the given command to see the process list.
lsof | grep /tmp
You’ll need to kill off any processes listed with kill command. When you’re done, restart the services you killed and:
umount /var/tmp
umount /tmp
replace “256000” “512000” inside /scripts/securetmp file.
rm /usr/tmpDSK
/scripts/securetmp
cd /tmp
ln -s /var/lib/mysql/mysql.sock
service postgresql start
service mysql start
service httpd start
service chkservd start


