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SubjectRe: ATA support for 4k sector size
On 12/10/2009 11:05 PM, James Andrewartha wrote:
> Martin K. Petersen wrote:
>>>>>>> "Matthew" == Matthew Wilcox <> writes:
>> Matthew> Lowest aligned logical block address=0
>> Matthew> This disagrees with Martin's assertion.
>> The original roadmap was to transition to 4KB sectors in 2006,
>> coinciding with the Vista release.
>> Given how long this has taken (we're now talking ~2011 for GA) it may
>> very well be that the alignment knobs will be unused because everybody
>> will be using Vista or 7 by then.
> The plan does seem to have changed - WD's shipping 4k sector drives that
> are sane and require a drive jumper or tool for WinXP and old cloning
> utilities.

Even more important, the alignment can be changed as opposed to being
fixed for the manufacture of the disk.


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

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