linux-kernel - Re: support for drives larger than 2TiB

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Message-ID: <4C4BEF61.5010203@kernel.org>
Date:	Sun, 25 Jul 2010 10:01:37 +0200
From:	Tejun Heo <tj@...nel.org>
To:	Yuhong Bao <yuhongbao_386@...mail.com>
CC:	jeff@...zik.org, ben.collins@...ntu.com, linux-ide@...r.kernel.org,
	linux-kernel@...r.kernel.org, hmh@...ian.org,
	"H. Peter Anvin" <hpa@...or.com>
Subject: Re: support for drives larger than 2TiB

(cc'ing hpa, hi!)
Hello,

On 07/24/2010 08:40 PM, Yuhong Bao wrote:
>> However, 2TiB limit is
>> inherent in the BIOS programming interface and currently the only way
>> to overcome it is using a completely different BIOS interface (EFI,
>> that is).
>
> Nope, look at the Int13 extensions, it already support 64-bit LBA.

Ah, yeah, that sounds much more logical than requiring transition to
EFI.  Does anyone know how wide spread the support for this extension
is in BIOSes?  Do the bootloaders support this?

Thanks.

-- 
tejun
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