Re: Sector sizes in the kernel

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On Monday 26 March 2007 16:27, burns.ethan@xxxxxxxxx wrote:
> On Mon, Mar 26, 2007 at 03:43:56PM +0200, Tzahi Fadida wrote:
> > As far as i know, the sector is not the smallest addressable entity on a
> > disk, in fact it is quite a huge thing. A sector includes all blocks on
> > the radius of a one side of a platter. This is why it is confusing that
> > they claim that a sector is 512 bytes. A block is the smallest entity and
> > it is indeed on most drives 512 bytes.
> > See here for a description of a sector:
> > http://en.wikipedia.org/wiki/Cylinder-head-sector
>
> This article is sort of misleading.
>
> I didn't do more than skim the beginning of the first paragraph, but you
> may find that this is a better explanation:
>
> http://www.dewassoc.com/kbase/hard_drives/hard_disk_sector_structures.htm

I c. 10x!
However, in LDD3 they did not explain how to define a geometry with zone bit 
recording. I.e. a geometry with different zone track groups.

-- 
Regards,
        Tzahi.
--
Tzahi Fadida
Blog: http://tzahi.blogsite.org | Home Site: http://tzahi.webhop.info
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