Re: WD_QUIRK_FORCE_LBA48

[Michael van Elst <mlelstv%serpens.de@localhost>]

On Wed, Dec 16, 2009 at 08:07:27PM +0100, Manuel Bouyer wrote:
> On Wed, Dec 16, 2009 at 07:50:04PM +0100, Michael van Elst wrote:
> > On Wed, Dec 16, 2009 at 06:38:35PM +0100, Manuel Bouyer wrote:
> > > On Wed, Dec 16, 2009 at 06:31:34PM +0100, Christoph Egger wrote:
> > > > 
> > > > Western Digital brings new disks to the market which
> > > > use 4KByte sectors instead of 512 byte.
> > > 
> > > This problem has also been raised a long time ago, with magneto-optical
> > > devices with 1k sectors. I think we still don't handle this
> > > (and it's not a problem limited to the ata drivers, the upper levels
> > > are affected too)
> > 
> > Those drives still present 512 byte 'logical sectors' to the host.
> 
> No, not all of them I think. We got PRs in the GNATS database about
> this for a long time.


We are talking about the new drives from Western Digital. See

http://www.wdc.com/en/products/products.asp?driveid=773
http://www.wdc.com/wdproducts/library/whitepapers/en/2579-771430.pdf


Greetings,
-- 
                                Michael van Elst
Internet: mlelstv%serpens.de@localhost
                                "A potential Snark may lurk in every tree."