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

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Message-ID: <4C4C8841.60206@zytor.com>
Date:	Sun, 25 Jul 2010 11:53:53 -0700
From:	"H. Peter Anvin" <hpa@...or.com>
To:	alex.buell@...ted.org.uk
CC:	Tejun Heo <tj@...nel.org>, Yuhong Bao <yuhongbao_386@...mail.com>,
	jeff@...zik.org, ben.collins@...ntu.com, linux-ide@...r.kernel.org,
	linux-kernel@...r.kernel.org, hmh@...ian.org
Subject: Re: support for drives larger than 2TiB

On 07/25/2010 01:26 AM, Alex Buell wrote:
> On Sun, 2010-07-25 at 01:07 -0700, H. Peter Anvin wrote:
>>
>> Syslinux 4 supports it with full 64-bit capabilities.  SeaBIOS (used
>> in
>> Qemu/KVM) supports it, and I know at least some hardware/firmware RAID
>> solutions support it; I recently got access to a 3 TB SATA drive but
>> due to NDA requirements I can't reveal the results of that testing. 
> 
> Yes but is it possible to boot from a complete 4k sector with the new
> standards? 

Yes, but currently there are no 4k *logical* sector products on the
market (and $DEITY knows how many BIOSes would handle them correctly.)
The BIOS interfaces should handle them fine, though.

	-hpa

-- 
H. Peter Anvin, Intel Open Source Technology Center
I work for Intel.  I don't speak on their behalf.
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