Re: Problems with Promise IDE controller under 2.4.1

[Andre Hedrick]

On 31 Jan 2001, Rupa Schomaker wrote:

> Andre Hedrick <[e-mail]> writes:
> 
> 
> > > But there is no indication of what the problems could be,
> > > or what he thinks the geometry should be (and why).
> > > I see nothing very wrong in the posted data.
> > 
> > We agree Andries, but the enduser wants to see stuff the same.
> 
> In my case, I have two identical Maxtor drives, but they reported
> different geometry.  How could that be?  Move the "virgin" drive to
> the motherboard IDE controller and suddenly the geometry is the same.
> Use fdisk and partition the disk, write it, and then move to the
> promise controller and the "correct" geometry was used (that is, it is
> now the same as when hooked up to the motherboard ide controller).
> 
> Why was it important to me?  I'm doing RAID1 and it is really nice to
> have the same geometry so that the partition info is the same between
> the two drives.   Makes life easier.

Please read the above and pass the geometry to the kernel.
Mother boards have to do a translation to use the drive completely.

Cheers,

Andre Hedrick
Linux ATA Development