false results

[usa ims]

Hi,

I just got an alert that my filesystem has exceeded or reached 95%.

But my  localcient.cfg is set to DISK    * 90 95

Here is the output from hobbit/xymon

Mon Aug 25 11:42:]4 EDT 2014 - Filesystems NOT ok

red 9% / (41904088% used) has reached the PANIC level (95%)
red 1% /dev (37183620% used) has reached the PANIC level (95%)
red 0% /dev/shm (37188564% used) has reached the PANIC level (95%)
red 1% /var/run (37187824% used) has reached the PANIC level (95%)
red 0% /var/lock (37188564% used) has reached the PANIC level (95%)
red 0% /lib/init/rw (37188564% used) has reached the PANIC level (95%)
red 2% /tmp (18003492% used) has reached the PANIC level (95%)
red 4% /home (17633764% used) has reached the PANIC level (95%)
red 4% /opt (646908428% used) has reached the PANIC level (95%)

Can somebody point out some troubleshooting steps, tia.

usaims