Re: [PATCH] clipped disk reports clipped lba size

Andre Hedrick
2002-01-30T17:12:57Z

On Wed, 30 Jan 2002, Eduardo Trápani wrote:

>
> Since my BIOS does not support my disk (WD400) I had to clip to 33.8G. At boot time Linux (2.4.17) uses the lba size reported by the disk, that is 33.8 and does not allow me to access the rest of the disk.
>
> The problem is that even though the whole disk can be used after clipping, Linux uses only the reported lba size even if I force the geometry.
>
> Here is a patch to solve that. I am sure there is a more elegant solution, I guess we could add a "lba_size=" or something like that as a boot parameter.
>
> The patch against 2.4.17 does this: if the geometry has been forced then use it to calculate the lba size and ignore the (possibly clipped) answer from the disk.
>
> Eduardo.

Maybe if 2.4 would ever take a patch ... You would have this option at
compile time.

Regards,

Andre Hedrick
Linux Disk Certification Project Linux ATA Development