From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mailman by lists.gnu.org with archive (Exim 4.43) id 1NNjz8-0004mi-Vx for mharc-grub-devel@gnu.org; Thu, 24 Dec 2009 04:27:55 -0500 Received: from mailman by lists.gnu.org with tmda-scanned (Exim 4.43) id 1NNjz4-0004iy-Vd for grub-devel@gnu.org; Thu, 24 Dec 2009 04:27:51 -0500 Received: from exim by lists.gnu.org with spam-scanned (Exim 4.43) id 1NNjyz-0004ao-7g for grub-devel@gnu.org; Thu, 24 Dec 2009 04:27:50 -0500 Received: from [199.232.76.173] (port=55169 helo=monty-python.gnu.org) by lists.gnu.org with esmtp (Exim 4.43) id 1NNjyz-0004aa-14 for grub-devel@gnu.org; Thu, 24 Dec 2009 04:27:45 -0500 Received: from mail-bw0-f215.google.com ([209.85.218.215]:51976) by monty-python.gnu.org with esmtp (Exim 4.60) (envelope-from ) id 1NNjyy-0002kp-IS for grub-devel@gnu.org; Thu, 24 Dec 2009 04:27:44 -0500 Received: by bwz7 with SMTP id 7so5709491bwz.26 for ; Thu, 24 Dec 2009 01:27:43 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=gamma; h=domainkey-signature:received:received:message-id:date:from :user-agent:mime-version:to:subject:references:in-reply-to :x-enigmail-version:content-type; bh=VmmFzOUcfKuMaytNJbj7Kcb7HVvOAyKRTtSMMIo5W6Q=; b=O6B8IVwH7B5bS6hu30yzTIeCBXboS1GWVDIc08A/9F+/gR3JhBnDbam8jvRedTizIe VgcTZ6s72F/4mvpBl2/R28bOBLhfsiB48X28XIPQyQxEMpR0STMInRnLYJRO8reTWYEV yJxpdv2GdK5ifG8jxuEgFhLJpBX0wboQh1AOQ= DomainKey-Signature: a=rsa-sha1; c=nofws; d=gmail.com; s=gamma; h=message-id:date:from:user-agent:mime-version:to:subject:references :in-reply-to:x-enigmail-version:content-type; b=jO2WrpKhV9cqLyTRsPG8/1cJTqHn4gdjb40ZjM1nXC18ocrD0Wk0kggR4My18hjRuk qmWUPPU4lL921XaRugtDVn8IF6LJgMn6ny3zJFSwhUbzjQ2qI0QwWLjuafKG5on0nXEh eGwPKZ+8mrSosRg0AcNaw8LquVCS9wGaYX96k= Received: by 10.204.48.144 with SMTP id r16mr3234434bkf.170.1261646862067; Thu, 24 Dec 2009 01:27:42 -0800 (PST) Received: from debian.bg45.phnet (85-45.77-83.cust.bluewin.ch [83.77.45.85]) by mx.google.com with ESMTPS id 14sm2405188bwz.5.2009.12.24.01.27.40 (version=TLSv1/SSLv3 cipher=RC4-MD5); Thu, 24 Dec 2009 01:27:41 -0800 (PST) Message-ID: <4B3333F3.4000506@gmail.com> Date: Thu, 24 Dec 2009 10:27:15 +0100 From: =?UTF-8?B?VmxhZGltaXIgJ8+GLWNvZGVyL3BoY29kZXInIFNlcmJpbmVua28=?= User-Agent: Mozilla-Thunderbird 2.0.0.22 (X11/20091109) MIME-Version: 1.0 To: The development of GNU GRUB References: <20091222170208.19290@gmx.net> <4B31095D.1030409@gmail.com> <20091223230542.287510@gmx.net> <4B32BC89.6090501@gmail.com> <4B32FE07.6040208@gmail.com> <929CBB02-290A-4657-9E4D-9C8AEF1217A1@sun.com> <4B330C8B.6000205@gmail.com> In-Reply-To: X-Enigmail-Version: 0.95.0 Content-Type: multipart/signed; micalg=pgp-sha512; protocol="application/pgp-signature"; boundary="------------enig65EFE10E0FC64D211459B0C0" X-detected-operating-system: by monty-python.gnu.org: GNU/Linux 2.6 (newer, 2) Subject: Re: How to install grub on fakeraid (raid 0) which spans 2 TB? X-BeenThere: grub-devel@gnu.org X-Mailman-Version: 2.1.5 Precedence: list Reply-To: The development of GNU GRUB List-Id: The development of GNU GRUB List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Thu, 24 Dec 2009 09:27:51 -0000 This is an OpenPGP/MIME signed message (RFC 2440 and 3156) --------------enig65EFE10E0FC64D211459B0C0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: quoted-printable Seth Goldberg wrote: > > > Quoting Bruce Dubbs, who wrote the following on Thu, 24 Dec 2009: > >> Seth Goldberg wrote: >>> >>> >>> On Dec 23, 2009, at 9:37 PM, Bruce Dubbs wrot= e: >>> >>>> Seth Goldberg wrote: >>>> >>>>> While the BIOS call supports 48-bit LBA, the MBR partition table >>>>> is limited to 32-bit LBA addresses for partition dimensions. If >>>>> you partition the disk with a GPT partition table, those >>>>> limitations are removed, but GPT-partitioned disks aren't >>>>> supported by XP (at least). >>>> >>>> Excellent point, but doesn't that mean a BIOS that supports LBA >>>> (which as been around for many years) will support 2^18 TB? I >>>> think my arithmetic is correct, but please correct me if I >>>> misunderstand. >>>> >>> >>> Assuming a 512-byte sector size, the total number of bytes is 2^9 >>> * 2^48 =3D 2^57 =3D 2^27 TB. >> >> Hi Seth, >> >> I thought you just said the usual partition table only supported 32 >> bits: >> >> 2^9 * 2^32 =3D 2^41 bytes or 2 TiB, give or take a byte. :) >> >> 1K =3D 2^10 >> 1M =3D 2^20 >> 1G =3D 2^30 >> 1T =3D 2^40 >> >> I think 48 bits gives 2^17 TiB or 128 Pib (Petabytes). > > Woops :). I was calculating the total possible addressable, not the > total for the DOS partition table :). Yes, your calculation looks > right to me. > You assume that BIOS has no limitations other than ones defined by interfaces. It's a strong assumption and in practice BIOS may have other problems. GRUB2 supports direct ATA(PI) access but no AHCI yet > --S > > > _______________________________________________ > Grub-devel mailing list > Grub-devel@gnu.org > http://lists.gnu.org/mailman/listinfo/grub-devel > --=20 Regards Vladimir '=CF=86-coder/phcoder' Serbinenko --------------enig65EFE10E0FC64D211459B0C0 Content-Type: application/pgp-signature; name="signature.asc" Content-Description: OpenPGP digital signature Content-Disposition: attachment; filename="signature.asc" -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.4.10 (GNU/Linux) Comment: Using GnuPG with Mozilla - http://enigmail.mozdev.org iF4EAREKAAYFAkszM/wACgkQNak7dOguQglZSAEAvE+IIk08WXypODI2WsdD7IIe ugbqjLV/NQdq4DbzsWEBAJjdrwJUacpEuQOWR2ZrUB6mC54iT7QZ9QGLUKbNEE+V =w8v8 -----END PGP SIGNATURE----- --------------enig65EFE10E0FC64D211459B0C0--