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Date:      Wed, 18 Jun 2008 13:25:48 -0400
From:      "Mark B." <mkbucc@gmail.com>
To:        freebsd-questions@freebsd.org
Subject:   df: negative "Used" and "Capacity" -- file system corruption?
Message-ID:  <59f4cb420806181025q4d54d384tce854212f04e3e1b@mail.gmail.com>

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Hi,

FreeBSD 7, AMD64.

$ df -h
Filesystem     Size    Used   Avail Capacity  Mounted on
/dev/da0s1d    2.9G    -67M    2.7G    -2%    /var/www

$ mount
/dev/da0s1d on /var/www (ufs, local, soft-updates)
$

I found an email thread from 2006 where Suleiman Souhlal says the
culprit was a stale cylinder group [1].

Any ideas on what's going on?  I'm concerned there is a hardware problem.

The only hardware messages I've ever seen are:  ciss0: *** SCSI bus
speed downshifted, SCSI port 2, and I got that message only twice
twice in over six months.

There was a bug report [2], but it was closed after telling user to
"fsck -f".  (Which I will do tomorrow morning.)

Thanks,

m

[1] http://marc.info/?l=freebsd-stable&m=111837454806848&w=2
[2] http://www.freebsd.org/cgi/query-pr.cgi?pr=92432&cat=



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