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Date:      Tue, 8 Jan 2002 16:01:36 -0800
From:      Kris Kennaway <kris@obsecurity.org>
To:        aaron <aaron@lo-res.org>
Cc:        dooleyr@missouri.edu, freebsd-stable@FreeBSD.ORG
Subject:   Re: This is probably a FAQ question...
Message-ID:  <20020108160136.A75254@xor.obsecurity.org>
In-Reply-To: <200201082329.g08NT9v70337@meta.lo-res.org>; from aaron@lo-res.org on Wed, Jan 09, 2002 at 12:29:07AM %2B0100
References:  <Pine.LNX.4.33.0201081708580.28507-100000@radon.bengal.missouri.edu> <200201082329.g08NT9v70337@meta.lo-res.org>

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On Wed, Jan 09, 2002 at 12:29:07AM +0100, aaron wrote:

> Hm, ok the FAQ, but....
> recently - as seen on the well known mailing lists - there was a post
> that 48bit addressing is now available. If I understood it correctly this
> should give you (at least!) 2^48 =3D 256 TBytes.
>=20
> But I myself would like to know if this calculation is correct.
> (or is it 2^48 blocks?)

Device size !=3D Partition size !=3D Filesystem size !=3D File size

48-bit addressing is for addressing raw disk blocks on the device.

Kris

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