A process running on your server might have created a large temporary file which was occupyng space and which got deleted when the server got a reboot.
Regards SSR
From: Herbert Wolverson <[EMAIL PROTECTED]> To: [EMAIL PROTECTED] Subject: Free space wierdness Date: Thu, 5 Feb 2004 15:12:07 -0600
I have a system running FreeBSD 4.9-RELEASE. It primarily functions as a firewall and
router, and is generally pretty lightly loaded (load averages around 0.2). It
is a low end system (P200, 64mb RAM, 2 gig hard drive), and is generally
stable as a rock.
The system has drives setup as follows: / 256M (UFS) /usr 1.2gb (UFS+Softupdates) (/var and /tmp are linked onto /usr/var and /usr/tmp respectively)
This morning I noticed that the "/" partition was at 108% utilization, and "df -h" looked like this (approximately):
Filesystem Size Used Avail Capacity Mounted on /dev/ad0s1a 252M 256M -8M 108% /
Oddly, "du -h -d1 -x" showed only a total of 29Mb used on the partition! The output looked like this:
su-2.05b# du -h -d1 -x 68K ./dev 2.0K ./usr 2.7M ./stand 1.3M ./etc 512B ./proc 4.0M ./bin 542K ./boot 2.0K ./mnt 6.4M ./modules 30K ./root 12M ./sbin 4.0K ./tmp 4.0K ./oldvar 29M .
When I rebooted the system (without deleting any files), "df -h" showed the following:
Filesystem Size Used Avail Capacity Mounted on /dev/ad0s1a 252M 29M 203M 12% /
This is good, since the correct amount of free space now shows, and the
server is back to running perfectly. Can anyone shed any light as to why
this discrepancy happened in the first place? I'd love to know what I can do to avoid ever having to worry
about this again!
Thanks,
Herbert Wolverson,
The Turner Stephenson Group, Inc.
http://www.tsghelp.com/
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