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Date:      Thu, 22 Dec 2005 12:05:24 -0600
From:      Greg Barniskis <nalists@scls.lib.wi.us>
To:        Tim Lastine <tim.lastine@hi.umn.edu>
Cc:        freebsd-questions@freebsd.org
Subject:   Re: Inconsistencies in df
Message-ID:  <43AAEAE4.1010408@scls.lib.wi.us>
In-Reply-To: <7.0.0.16.0.20051222100521.01ed28d8@smig.net>
References:  <7.0.0.16.0.20051222100521.01ed28d8@smig.net>

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Tim Lastine wrote:
> Hi,
> 
> We are wondering why df gives such peculiar outputs on large disk 
> drives?  

If I'm not mistaken, it's because "Available" is a relative term. 
Some space is reserved by the OS for itself. See part 9.25 of

http://www.freebsd.org/doc/en_US.ISO8859-1/books/faq/disks.html

I haven't done the math against your example, but I'd wager it adds 
up correctly if you revise your assumptions accordingly.

-- 
Greg Barniskis, Computer Systems Integrator
South Central Library System (SCLS)
Library Interchange Network (LINK)
<gregb at scls.lib.wi.us>, (608) 266-6348



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