*BSD News Article 82466


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From: Frederic.Marand@osinet.fr (Frederic MARAND)
Newsgroups: comp.unix.bsd.freebsd.misc
Subject: Re: When df disagrees with du
Date: Thu, 07 Nov 1996 21:00:47 GMT
Organization: Groupe SEDI / Agorus SA / OSI SARL
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"Kenneth Chiu" <chiuk@cs.indiana.edu> wrote:

>In article <E0Ho83.Ex9@news2.new-york.net>, Louis Epstein <le@put.com> wrote:
>>I've had the df on one of my 2.1R servers tell me that /var is 107% full,
>>deleted some large files there,done du and gotten a figure for blocks used
>>in var,done df again(over periods of hours) and still been told(despite
>>checking the directories again,no new growth) that over twice that much
>>space is in use and that it's still 107% full.

>Hmm...is it possible that a process is unlinking a still open temp file?
Usually, du sums up the file sizes in the subtree, whereas df uses the
inode count. This means du represents your data volume and df
represents your used disk space, which is normally larger than the
data volume.

Of course, having 107% occupancy means there is a bug somewhere.

-------------------------
   Frederic G. MARAND
  Agorus SA / OSI SARL
Frederic.Marand@osinet.fr
-------------------------