At first you have to check that now what is present in the in the /tmp partition. You can clean the session files on the server from the /tmp partition. The ones starting with sess_ OR session.
Is there any way you can let us know as to what is currently present in the /tmp partition ?
You can also find what is so big which is utilizing disk space and delete that files
Quote:
#cd /tmp
# ls -lhS
Also, if you have eAccelerator software installed on your server then you require to clear the cache. You can do that by simply removing the eaccelerator files in "/tmp/eaccelerator".