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Date:      Wed, 3 Jun 1998 13:22:06 -0700 (PDT)
From:      Doug White <dwhite@gdi.uoregon.edu>
To:        Brett Paden <paden@designstein.com>
Cc:        questions@FreeBSD.ORG
Subject:   Re: Partition at 109%??
Message-ID:  <Pine.BSF.3.96.980603132043.24531E-100000@gdi.uoregon.edu>
In-Reply-To: <3575A0D6.BEE33E82@designstein.com>

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On Wed, 3 Jun 1998, Brett Paden wrote:

> I am running FreeBSD 3.0-980426-SNAP and have encountered some weirdness
> with the file paritions.  df yields
> 
> /dev/sd0s1a     139976   139776   -10998   109%    /
> /dev/sd0s3e    1774928   879576   753358    54%    /home
> /dev/sd1s2e    1728076  1208584   381246    76%    /http
> /dev/sd1s1e    1977182   932052   886956    51%    /usr
> /dev/sd0s2e    1774928   289048  1343886    18%    /var
> mfs:26          127006     2718   114128     2%    /tmp
> procfs               8        8        0   100%    /proc
> 
> I can remove and add to the root partion such that capacity ranges
> anyhere between 100% and 110%.  For exmaple, I can move  the generic
> kernel to /var/tmp (lowering / to 106% capacity) then put it back again.
> 
> Is this merely as safety precaution, or is this a weird bug I am
> witnessing?

Safety precaution.  The filesystem reserves 10% of the space for a buffer
by default.  Root can override that limit and use it, but your filesystem
performance will suffer, and no one else will be able to write to the
filesystem.  

Make sure something in /tmp or /dev hasn't run away.

Doug White                              | University of Oregon  
Internet:  dwhite@resnet.uoregon.edu    | Residence Networking Assistant
http://gladstone.uoregon.edu/~dwhite    | Computer Science Major



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