How to find and decrease File System space for Linux RAC servers

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http://www.linuxquestions.org – Hi, We have recently built some RAC (OS:RHEL55) servers and after the Oracle guys have installed their application, somehow the directory / is using the maximum space. I contacted the Oracle team & they say that their RAC installation doesn't create any files in the / directory. This is the o/p of '/' directory file system: Filesystem Size Used Avail Use% Mounted on /dev/mapper/datavg-vol2 498M 382M 62M 88% / Also, when I checked the file sizes, I found that the following files were taking more space: /etc/selinux/targeted/modules/active/ -rw------ 1 root root 17M Nov1 base. (HowTos)