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From: fk@kos.rci.dk (Fleming Kraglund)
Newsgroups: comp.unix
Subject: Re: how to see which files are open?
Summary: process accounting has open file
Keywords: fuser, umount, process accounting
Message-ID: <3568@zorba.Tynan.COM>
Date: 7 Mar 90 23:45:37 GMT
References: <3537@zorba.Tynan.COM> <3550@zorba.Tynan.COM>
Sender: dtynan@zorba.Tynan.COM
Organization: RC International, Copenhagen, Denmark
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Approved: dtynan@zorba.Tynan.COM

C.J.Parkin-Lilley@fulcrum.bt.co.uk (Chris Parkin Lilley [cs12]) writes:

>In article <3537@zorba.Tynan.COM> uunet!unix.sri.com!cole (Susan Cole) writes:
>>I found myself wanting to umount a filesystem which as far as I could
>>see no one was in (nor in another directory under it) but nevertheless,
>>every time I tried to umount it I got "Device busy".  This was

>Does your system have 'fuser'. If so, you should be able to do something like
>	fuser -u /dev/dsk/whatever (a block special file)

>This should give you the pids of the processes which have a partition open,
>and 
>	fuser -k /dev/dsk/whatever

>should try and kill them off.

Please note that if you are using process accounting (assuming sysV 3.x)
then the kernel has an open file on /usr, (yes the kernel, it's the inode
on which to write the account records) and you must do a
	/usr/lib/acct/shutacct.
Hope this helps too.
-- 
                             fk@rci.dk                   (I hate .sig files)