/usr/sap/psu file systems full.

Hi
Ive been facing a prob today in SAP which is been installed in solaris .the prob is one of my file systems tat is /usr/sap/psu is gettin full.i chkd the file named core which gets generated so i was asked to delete that file after doing tat my file systems space was 90%,but the prob is that the same file is gettin dumped for every 2 minutes after deleting.plz do give a solution.