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Date:      Fri, 14 Aug 1998 09:23:09 +0200
From:      Johann Visagie <wjv@cityip.co.za>
To:        Mike Ekholm <ekholm@visi.com>, freebsd-questions@FreeBSD.ORG
Subject:   Re: missing space
Message-ID:  <19980814092309.C5816@cityip.co.za>
In-Reply-To: <Pine.GSO.4.02.9808132305040.26693-100000@isis.visi.com>; from Mike Ekholm on Thu, Aug 13, 1998 at 11:06:19PM -0500
References:  <Pine.GSO.4.02.9808132305040.26693-100000@isis.visi.com>

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On Thu, 13 Aug 1998 at 23:06 SAT, Mike Ekholm wrote:
>
> i have a new hard drive, just disklabeled it and newfsit and stuff.when i
> mounted it,and did a 'df' it said thst the fs is 526087 1-K blocks big,
> thich is corect. it said the fs has 474800 1-k blocks avalable. but none
> are used. where is the other 40MB at?

Most Unix filesystems hold back a small percentage of space from normal
users.  This is important to the way in which Unix filesystems handle
fragmentation (which, BTW, mean something different than fragmentation of a
FAT-type filesystem).

See the man page for tunefs(8), specifically the -m flag.

-- V

Johann Visagie | Email: wjv@CityIP.co.za | Tel: +27 21 419-7878

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