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Date:      Fri, 13 Sep 2002 20:48:48 -0400
From:      "Brian T. Schellenberger" <bts@babbleon.org>
To:        Daniel Frazier <dfrazier@magpage.com>, freebsd-stable@freebsd.org
Subject:   Re: bug in df?
Message-ID:  <200209132048.48759.bts@babbleon.org>
In-Reply-To: <200209131307.32431.bts@babbleon.org>
References:  <3D820AC3.3020502@magpage.com> <200209131307.32431.bts@babbleon.org>

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Please ignore.  Missing up my M's & G's.

On Friday 13 September 2002 01:07 pm, Brian T. Schellenberger wrote:
| Seems more likely to be a bug in du, don't you think?
|
| The 98% full, remember, just means 98% of the non-reserved space,
| which is usually 92% of the disk, so that 98% basically means 91%,
| which is consistent with the size it reports.
|
| You can find out, though:  Just create a file (as roon) thats around
| 0.2G (200M) and if it succeeds, then you know that du is lying; if it
| fails, then df is lying.
|
| On Friday 13 September 2002 11:56 am, Daniel Frazier wrote:
| | greetz all,
| |
| | we brought our production mail server up to stable the other day
| | and I've noticed something wierd.  df is inaccurately reporting the
| | disk space utilization on the /usr filesystem.
| |
| | trinity:~# uname -a
| | FreeBSD trinity.magpage.com 4.7-PRERELEASE FreeBSD 4.7-PRERELEASE
| | #0: Fri Sep  6 02:10:09 EDT 2002    
| | mike@trinity.magpage.com:/usr/obj/us r/src/sys/IPF2  i386
| |
| | trinity:/usr# df -h
| | Filesystem      Size   Used  Avail Capacity  Mounted on
| | /dev/amrd0s1a   484M    97M   349M    22%    /
| | /dev/amrd0s1f   9.5G   8.6G   155M    98%    /usr
| | /dev/amrd0s1e    24G   8.2G    14G    38%    /usr/local
| | /dev/amrd0s1g    31G    22G   6.2G    78%    /var
| | procfs          4.0K   4.0K     0B   100%    /proc
| | alaska:/home1    27G    18G   7.0G    72%    /home1
| |
| | trinity:/usr# du -h -d 1
| | 8.2G    ./local
| |   11M    ./bin
| | 7.8M    ./include
| |   29M    ./lib
| | 9.7M    ./libdata
| |   17M    ./libexec
| | 6.5M    ./sbin
| |   69M    ./share
| | 296M    ./src
| | 380M    ./ports
| | 1.0K    ./compat
| | 1.5M    ./games
| | 315M    ./obj
| | 2.4M    ./home
| |   21M    ./sup
| |   12M    ./tmp
| | 3.0K    ./X11R6
| |   39K    ./doc
| | 9.4G    .
| |
| | as you can see /usr's usage is reported as being at 8.6G(98%),
| | however du shows 9.4G, 8.2 of which is in the /usr/local
| | filesystem. What gives?  Is this a bug in df?  or a bug in stable
| | maybe?

-- 
Brian, the man from Babble-On . . . .   bts@babbleon.org (personal)

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