Differences between "df -m" and summarized "du -sm *" in FC4

[Tony Nelson]

At 9:05 AM +0100 6/13/06, Paul Howarth wrote:
>On Tue, 2006-06-13 at 08:13 +0200, Joachim Backes wrote:
>> Hi,
>>
>> having an FC4 server and problems with /tmp:
>>
>> df -m says, that /tmp 100% full. But if going to /tmp, calling "du -sm
>>*" and summarizing all sizes
>> gives a huge difference against the df command (the sum is about 10% of
>>the df-value).
>>
>> Remark: there are no .-files in /tmp so "du -sm *" fits all files in /tmp.
>>
>> Can somebody explain this behaviour?
>
>You probably have a process running that has a a large open file in /tmp
>that has been deleted. The disk space is not recovered for use by other
>processes until the file is closed.
>
>Deleting an open temp file is a fairly common technique - it prevents
>other processes getting any access to the file.

Could 10% be the root reservation?
____________________________________________________________________
TonyN.:'                       <mailto:tonynelson at georgeanelson.com>
      '                              <http://www.georgeanelson.com/>