Subject: Re: overfull disk
To: Jaromir Dolecek <email@example.com>
From: Frederick Bruckman <firstname.lastname@example.org>
Date: 01/31/1999 12:51:58
On Sun, 31 Jan 1999, Jaromir Dolecek wrote:
> I run out of disk space the other day and df output looked a bit wierd:
> dolecek~ > df
> Filesystem 1K-blocks Used Avail Capacity Mounted on
> /dev/wd0a 990582 961902 -20850 102% /
> /dev/wd0e 708411 556513 115303 82% /usr/emul/linux
> kernfs 1 1 0 100% /kern
> procfs 4 4 0 100% /proc
> This shouldn't happen, should it ?
It's OK. Your evidently have 5% reserved on /; 961902-20850 = 990582x5%.
That minfree threshold (binding for ordinary users) is adjustable
using "tunefs". The root user is allowed to exceed the threshold, and
when that happens, you'll see a negative space avail, as you did.