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Cannot unmount /home

I've installed UPS (APC) on SUN Fire 280 R. I switch off the power to do a testing to ensure that UPS can take over if blackout happen someday. After a while the server is starting to power off.CDE is gone and white screen appeared. But at the white screen display a message

umount : /home busy , it's make UPS failed to power off the server. What should i do and how to fix it.

[401 byte] By [eijjan] at [2007-11-25 23:18:31]
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# 1

You got a process or processes still using /home when the OS tries to unmount /home.

The fuser command can be used to possibly let you know what process is still attached to /home. If you create a K script before the K script that unmounts everything and then run fuser against /home, you could then do a ps -ef and grep for the PID that gets returned by fuser and hopefully figure out what process it is that doesn't have a kill script.

swoneill at 2007-7-5 18:06:52 > top of Java-index,General,Talk to the Sysop...
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