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Date:      Tue, 6 Feb 2001 18:48:59 -0600
From:      Andrew Hesford <ajh3@hecubus.bsdonline.org>
To:        freebsd-stable@freebsd.org
Subject:   Re: df output incosistency
Message-ID:  <20010206184859.A13041@cec.wustl.edu>
In-Reply-To: <20010206201042.A7995@netmode.ece.ntua.gr>; from past@netmode.ntua.gr on Tue, Feb 06, 2001 at 08:10:42PM %2B0200
References:  <20010206192656.B6939@netmode.ece.ntua.gr> <20010206193532.A7821@sunbay.com> <20010206194115.C7821@sunbay.com> <20010206201042.A7995@netmode.ece.ntua.gr>

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While it is technically free, you won't be able to use it in day-to-day
operations. It is reserved for the superuser. I believe it is  so that if 
something should flood the filesystem, the superuser still has space to 
operate on the partition.

This can result in ridiculous amounts of reserved space for large
partitions, so the larger the filsystem, the lower the percentage that
should be reserved.

> I was aware of that, but how come it wasn't marked as used before 
> my operational error? Anyway, you basically say that everything is ok,
> and the space is free indeed, although not promptly visible from df?
> 
> Thanks a lot for the info.
> 
> -past
> 
> 
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-- 
Andrew Hesford - ajh3@chmod.ath.cx
"355/113 -- Not the famous irrational number PI,
 but an incredible simulation!"


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