From: Ric Wheeler <ric@emc.com>
To: Jan Engelhardt <jengelh@linux01.gwdg.de>
Cc: linux-scsi <linux-scsi@vger.kernel.org>,
linux-fsdevel@vger.kernel.org,
Linux-ide <linux-ide@vger.kernel.org>
Subject: Re: impact of 4k sector size on the IO & FS stack
Date: Sun, 11 Mar 2007 22:45:24 -0400 [thread overview]
Message-ID: <45F4BEC4.5090402@emc.com> (raw)
In-Reply-To: <Pine.LNX.4.61.0703120013340.18623@yvahk01.tjqt.qr>
Jan Engelhardt wrote:
> On Mar 11 2007 18:51, Ric Wheeler wrote:
>
>> During the recent IO/FS workshop, we spoke briefly about the
>> coming change to a 4k sector size for disks on linux. If I
>> recall correctly, the general feeling was that the impact was
>> not significant since we already do most file system IO in 4k
>> page sizes and should be fine as long as we partition drives
>> correctly and avoid non-4k aligned partitions.
>>
>
> Sorry about jumping right in, but what about an 'old-style'
> partition table that relies on 512 as a unit?
>
>
I think that the normal case would involve new drives which would need
to be partitioned in 4k aligned partitions. Shouldn't that work
regardless of the unit used in the partition table?
ric
next prev parent reply other threads:[~2007-03-12 2:45 UTC|newest]
Thread overview: 29+ messages / expand[flat|nested] mbox.gz Atom feed top
2007-03-11 22:51 impact of 4k sector size on the IO & FS stack Ric Wheeler
2007-03-11 23:14 ` Jan Engelhardt
2007-03-12 2:45 ` Ric Wheeler [this message]
2007-03-12 3:27 ` Jan Engelhardt
2007-03-12 3:46 ` Andreas Dilger
2007-03-12 12:17 ` Alan Cox
2007-03-12 14:41 ` Jeff Garzik
2007-03-12 14:36 ` Jeff Garzik
2007-03-12 15:45 ` Alan Cox
2007-03-12 18:31 ` Bryan Henderson
2007-03-12 18:37 ` Sergei Shtylyov
2007-03-12 20:52 ` Bryan Henderson
2007-03-12 19:16 ` Douglas Gilbert
2007-03-12 19:28 ` Jeff Garzik
2007-03-12 0:02 ` Alan Cox
2007-03-12 0:44 ` Jeff Garzik
2007-03-12 2:37 ` Ric Wheeler
2007-03-12 12:24 ` Alan Cox
2007-03-12 13:32 ` Ric Wheeler
2007-03-12 15:21 ` Douglas Gilbert
2007-03-12 16:08 ` Martin K. Petersen
2007-03-12 14:26 ` Jeff Garzik
2007-03-13 5:11 ` Andreas Dilger
2007-03-13 6:34 ` Chris Wedgwood
2007-03-12 2:41 ` Ric Wheeler
2007-03-12 8:18 ` Christoph Hellwig
2007-03-12 14:40 ` James Bottomley
2007-03-12 14:45 ` Jeff Garzik
2007-03-12 14:57 ` Christoph Hellwig
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