From: "H. Peter Anvin" <hpa@zytor.com>
To: "Martin K. Petersen" <martin.petersen@oracle.com>
Cc: Matthew Wilcox <matthew@wil.cx>,
linux-ide@vger.kernel.org, linux-kernel@vger.kernel.org,
sandeen@redhat.com
Subject: Re: ATA support for 4k sector size
Date: Wed, 25 Feb 2009 15:33:46 -0800 [thread overview]
Message-ID: <49A5D55A.9080402@zytor.com> (raw)
In-Reply-To: <yq1hc2iumg9.fsf@sermon.lab.mkp.net>
Martin K. Petersen wrote:
>
> I'll defer to people like yourself for how this needs to work wrt. boot
> loaders and creating partition tables. I'm CC:ing Eric Sandeen because
> he's also looking at this...
>
I wish it was left to people like myself. Realistically when it comes
to disks with 4096-byte logical sectors it going to matter how the
firmware chooses to expose it.
Most likely, the universe will explode at this time, since very few
bootloaders can deal with a sector size other than 512 bytes, and
virtually every partition table format contains a sector size
dependency, which also means you'll break any mechanical imaging solution.
It's going to hurt :(
-hpa
next prev parent reply other threads:[~2009-02-25 23:34 UTC|newest]
Thread overview: 40+ messages / expand[flat|nested] mbox.gz Atom feed top
2009-02-25 22:24 ATA support for 4k sector size Matthew Wilcox
2009-02-25 22:24 ` [PATCH 1/2] ata: Define new commands from ATA8 Matthew Wilcox
2009-02-25 22:24 ` [PATCH 2/2] ata: Add support for Long Logical Sectors and Long Physical Sectors Matthew Wilcox
2009-02-25 22:53 ` ATA support for 4k sector size H. Peter Anvin
2009-02-25 23:27 ` Martin K. Petersen
2009-02-25 23:33 ` H. Peter Anvin [this message]
2009-02-25 23:51 ` Martin K. Petersen
2009-02-26 12:43 ` Karel Zak
2009-02-26 15:17 ` H. Peter Anvin
2009-02-25 23:42 ` H. Peter Anvin
2009-02-25 23:55 ` Martin K. Petersen
2009-02-25 23:57 ` H. Peter Anvin
2009-02-26 0:07 ` Martin K. Petersen
2009-02-26 0:10 ` H. Peter Anvin
2009-02-26 0:17 ` Martin K. Petersen
2009-02-25 23:49 ` david
2009-02-26 0:04 ` Martin K. Petersen
2009-02-26 0:13 ` david
2009-02-26 0:20 ` Martin K. Petersen
2009-02-26 2:50 ` Theodore Tso
2009-02-26 3:05 ` Martin K. Petersen
2009-02-26 3:07 ` Matthew Wilcox
2009-02-26 3:23 ` Martin K. Petersen
2009-12-11 7:05 ` James Andrewartha
2009-12-11 7:26 ` H. Peter Anvin
2009-12-11 7:32 ` Martin K. Petersen
2009-02-26 5:16 ` Martin K. Petersen
2009-02-26 12:36 ` Matthew Wilcox
2009-02-26 15:32 ` H. Peter Anvin
2009-02-26 20:35 ` Martin K. Petersen
2009-02-26 21:02 ` H. Peter Anvin
2009-03-16 14:51 ` Greg Freemyer
2009-03-16 16:27 ` H. Peter Anvin
2009-03-16 17:37 ` Greg Freemyer
2009-03-16 17:37 ` Greg Freemyer
2009-03-16 18:11 ` H. Peter Anvin
2009-03-22 1:20 ` Bill Davidsen
2009-03-18 14:33 ` James Bottomley
2009-02-26 18:22 ` hdparm-9.12 released Mark Lord
-- strict thread matches above, loose matches on Subject: below --
2009-03-21 13:47 ATA support for 4k sector size Andries E. Brouwer
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