linux-kernel - Re: ATA 4 KiB sector issues.

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Date:	Tue, 09 Mar 2010 11:22:30 +0900
From:	Tejun Heo <tj@...nel.org>
To:	"H. Peter Anvin" <hpa@...or.com>
CC:	"Martin K. Petersen" <martin.petersen@...cle.com>,
	"linux-ide@...r.kernel.org" <linux-ide@...r.kernel.org>,
	lkml <linux-kernel@...r.kernel.org>,
	Daniel Taylor <Daniel.Taylor@....com>,
	Jeff Garzik <jeff@...zik.org>, Mark Lord <kernel@...savvy.com>,
	tytso@....edu, hirofumi@...l.parknet.co.jp,
	Andrew Morton <akpm@...ux-foundation.org>,
	Alan Cox <alan@...rguk.ukuu.org.uk>, irtiger@...il.com,
	Matthew Wilcox <matthew@....cx>, aschnell@...e.de,
	knikanth@...e.de, jdelvare@...e.de, Karel Zak <kzak@...hat.com>,
	Jim Meyering <jim@...ering.net>
Subject: Re: ATA 4 KiB sector issues.

Hello,

On 03/09/2010 05:12 AM, H. Peter Anvin wrote:
> Please correct the following bit in C-3:
> 
> "A different partition format - GPT[6] - should be used beyond 2^32
> sectors, which could harm compatibility with older BIOSs or other
> operating systems which don't recognize the new format."
> 
> BIOS does not care about the partition table format.  There might be
> issues with > 2^32 sectors for BIOSes (e.g. truncating sector counts),
> but that would be unrelated.

Updated to,

  This might also be beneficial for operating systems which don't
  suffer from this limitation.  A different partition format - GPT[6]
  - should be used beyond 2^32 sectors, which could harm compatibility
  with other operating systems which don't recognize the new format.

Thanks.

-- 
tejun
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