From: Henrique de Moraes Holschuh <hmh@hmh.eng.br>
To: Greg Freemyer <greg.freemyer@gmail.com>
Cc: Yuhong Bao <yuhongbao_386@hotmail.com>,
tj@kernel.org, jeff@garzik.org, ben.collins@ubuntu.com,
linux-ide@vger.kernel.org, linux-kernel@vger.kernel.org
Subject: Re: support for drives larger than 2TiB
Date: Sat, 24 Jul 2010 20:22:47 -0300 [thread overview]
Message-ID: <20100724232247.GA2129@khazad-dum.debian.net> (raw)
In-Reply-To: <AANLkTi=-0Hdp2dfK_RB=w-W8Qm8O42dDM0ybEcRtEMdn@mail.gmail.com>
On Sat, 24 Jul 2010, Greg Freemyer wrote:
> Secondly, if you look at the table on the right of
> http://en.wikipedia.org/wiki/Master_boot_record#Disk_partitioning you
> see that the starting sector of a partition is defined with a 32-bit
> value.
>
> ie. 2TB with 512 byte sectors.
>
> The normal solution is to move to a GPT which requires EFI if you want
> to boot from it.
Can't one have a GPT with a guard boot sector which can read the real
partition table?
I think Tejun must mean some big problem at the BIOS APIs required for the
bootloader. Tejun, what exactly croaks at the 2TB boundary (with 512KiB
sectors)?
--
"One disk to rule them all, One disk to find them. One disk to bring
them all and in the darkness grind them. In the Land of Redmond
where the shadows lie." -- The Silicon Valley Tarot
Henrique Holschuh
next prev parent reply other threads:[~2010-07-24 23:22 UTC|newest]
Thread overview: 20+ messages / expand[flat|nested] mbox.gz Atom feed top
2010-07-24 9:58 support for drives larger than 2TiB Tejun Heo
2010-07-24 12:21 ` Henrique de Moraes Holschuh
2010-07-24 12:36 ` Alex Buell
2010-07-24 13:49 ` Valdis.Kletnieks
2010-07-24 21:15 ` Alex Buell
2010-07-24 18:40 ` Yuhong Bao
2010-07-24 21:38 ` Greg Freemyer
2010-07-24 23:22 ` Henrique de Moraes Holschuh [this message]
2010-07-25 7:49 ` Tejun Heo
2010-07-25 2:25 ` Yuhong Bao
2010-07-25 8:01 ` Tejun Heo
2010-07-25 8:07 ` H. Peter Anvin
2010-07-25 8:20 ` Tejun Heo
2010-07-25 18:52 ` H. Peter Anvin
2010-07-27 8:41 ` Tejun Heo
2010-07-25 8:26 ` Alex Buell
2010-07-25 18:53 ` H. Peter Anvin
2010-07-24 18:48 ` Yuhong Bao
2010-08-19 13:12 ` Mark Lord
2010-08-23 7:40 ` Yuhong Bao
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