Re: IDE disk information changed from 2.4 to 2.6

From: Andries Brouwer
Date: Tue Nov 11 2003 - 06:53:50 EST


On Wed, Nov 05, 2003 at 03:23:10PM -0200, Flavio Bruno Leitner wrote:

> Upgrading from kernel 2.4 to 2.6 the CHS information for the same hardware
> changed. This behaviour is correct?
>
> Using 2.4:
> hda: 12594960 sectors (6449 MB) w/2048KiB Cache, CHS=784/255/63, UDMA (33)
>
> Using 2.6:
> hda: 12594960 sectors (6449 MB) w/2048KiB Cache, CHS=13328/15/63, UDMA (33)

Yes, correct in the sense that it is not wrong.
Probably your disk reports 15 and 2.4 invented 255.

CHS is something that stopped being meaningful a decade ago.
Today it is random garbage, to be ignored whenever possible.
Don't worry about CHS when you don't have problems.

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