[ale] Weird filesystem behavior

[jonathan.glass at ibb.gatech.edu (Jonathan Glass)]

My server is reporting the following from df:
Filesystem            Size  Used Avail Use% Mounted on
/dev/sda5             9.8G  9.6G     0 100% /
/dev/sda2             152M   22M  122M  16% /boot
none                  1.7G     0  1.7G   0% /dev/shm
/dev/sda3             9.7G   36M  9.1G   1% /tmp
/dev/sda7             9.8G  2.2G  7.2G  23% /usr
/dev/sda6             9.8G  158M  9.1G   2% /var
/dev/sda9             497G  211M  471G   1% /mnt/backup
/dev/sdb3             941G  175G  718G  20% /bio1

But this from du -sh * at /:
/]# du -sh *
4.0k    InstallSummary.htm
5.7M    bin
175G   bio1
5.8M    boot
4.0k    common
356k    dev
9.4M    etc
0       home
4.0k    initrd
12k     ks.cfg
111M    lib
16k     lost+found
4.0k    misc
179M    mnt
129M    opt
du: `proc/4335/fd/3': No such file or directory
0       proc
2.9M    root
9.5M    sbin
3.2M    tmp
2.2G    usr
126M    var

I don't see 9.6 GB being used.  I cannot find any hidden files, and this
server's twin doesn't have this problem.  Any thoughts?  The next step
I'm going to take is to boot off CD and to an 'ls', 'du', and 'df'.

TIA!
-- 
Jonathan Glass <jonathan.glass at ibb.gatech.edu>

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