Subject: Re: "Interesting" df output
To: Armen Babikyan <armenb@moof.ai.mit.edu>
From: Frederick Bruckman <fb@enteract.com>
List: port-mac68k
Date: 09/04/1998 12:54:46
On Thu, 3 Sep 1998, Armen Babikyan wrote:

> >Both /usr and /var are full. ffs filesystems need to have a certain amount
> >of free space to operate correctly, so the "100%" capacity size is less
> >than the size of the drive in blocks.
> >
> >As root, you can fill the disk above the "100%" capacity. Other users,
> >though, can't.
> 
> >From personal experience, I've seen that the diskspace goes up to 110%. I
> guess the extra 10% is for emergency things like continuation of logfiles,
> and perhaps some cleaning room as well.

Exactly. BTW, you can view or change that threshold with "tunefs". You can
even take it all the way to zero. I've done that at times (on /usr), but I
mostly go with the defaults, now that I have the disk space.