Date: Thu, 01 Dec 2011 16:56:48 +0100 From: Bastien Semene <bsemene@cyanide-studio.com> To: freebsd-questions@freebsd.org Subject: df command reports wrong value after fd have been released Message-ID: <4ED7A3C0.3090201@cyanide-studio.com>
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Hi,
I removed a file from /var using all my filesystem space, then restarted
the process that handled its file descriptors.
I then, for another reason, had to reboot the system.
During the boot I had a warning saying that the filesystem is full.
I did not checked the fs state with df before, thinking it was resolved.
df now still shows me the fs is full, I stopped the process then checked
the fd with lsof, they were removed.
I changed the log file name then restarted the process.
lsof shows me that the process no longer uses fd on this "ghost" file.
I'm out of ideas to resolve the problem, as I'm out of knowledge to
understand it.
Any explanation/idea to resolve this issue is welcome.
some informations :
# uname -a
FreeBSD vcs.cyanide-studio.com 8.2-RELEASE-p3 FreeBSD 8.2-RELEASE-p3 #0:
Tue Sep 27 18:45:57 UTC 2011
root@amd64-builder.daemonology.net:/usr/obj/usr/src/sys/GENERIC amd64
# df -h
Filesystem Size Used Avail Capacity
Mounted on
/dev/ad4s1a 9.7G 287M 8.6G 3% /
devfs 1.0K 1.0K 0B
100% /dev
/dev/ad4s1e 989M 144K 910M 0%
/home
/dev/ad4s1d 4.8G 384K 4.5G 0%
/tmp
/dev/ad4s1g 108G 25G 74G 26%
/usr
/dev/ad4s1f 19G 19G -1.5G 109%
/var
tank 1.8T 1.1T 718G
61% /var/db/svn
All fs are UFS, except "tank" that is a zfs fs.
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