Incorrect diskspace availability shown on database server

From: Abhijit Das (adas@Yodlee.com)
Date: Thu Aug 23 2007 - 04:57:07 EDT


Hi

I am seeing incorrect disk space usage on my database servers. The
oracle installation and binary directory is creating the issue here.

/dev/vx/dsk/oracle 22503424 20179202 2181510 91% /oracle
...... du -sk on /oracle returns only 6G.
That being said, I cannot find the process which is holding up the
diskspace because there are 900+ oracle swapned processes and it is
taking me ages to run truss and analyze the i/o calls. Has anyone seen
any oracle process which can potentially hold up the space ? Please
provide me any directions/pointer to resolve this issue.

A snapshot from my system

bash-2.03$ top -n 1
last pid: 19882; load averages: 4.74, 4.23, 3.59 01:56:19
896 processes: 892 sleeping, 4 on cpu

Memory: 48G real, 33G free, 8576M swap in use, 62G swap free

   PID USERNAME THR PRI NICE SIZE RES STATE TIME CPU COMMAND
 16300 oracle 4 10 0 3161M 3079M cpu/18 292:08 8.21% oracle

Thanks
Abhijit Das
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