Assistance finding out what process is writing to the disk drive

[John Nissley]

I have a Fedora 11 server running 2.6.30.9-96.fc11.x86_64.  I recently 
noticed that my hard drive light is on constantly and was wondering how 
I can determine what is accessing the hard disk so much.  After boot the 
hard disk is acting normally for a few minutes to a few hours and then 
the hard drive light is lit up constantly.

I have tried ps -ef to see if there was anything running that I do not 
know about and there is not.  Is there any way for me to determine which 
process is consistently using the hard disk?

Thanks


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