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SubjectRe: libata in 2.4.24?
On Mon, Dec 01, 2003 at 09:53:36PM -0800, Mike Fedyk wrote:
> On Tue, Dec 02, 2003 at 12:36:19AM -0500, Greg Stark wrote:
> >
> > Erik Steffl <steffl@bigfoot.com> writes:
> >
> > > not for drives >133GB (I have intel D865PERL mb and 250GB matrox, it doesn't
> > > work without SCSI_ATA (at all), it cannot read/write above 133GB without libata
> > > patches)
> >
> > My ICH5 was happily using my brand new 200GB SATA maxtor drive, at least up
> > until last Friday when it crashed. Grumble, a brand new drive.
> >
> > I guess what I'm looking for is the "FAQ" or "README" file that most projects
> > have. What are the advantages of using the libata patch vs the stock drivers
> > and vice versa? What are the differences between the two?
>
> Libata, uses the scsi system instead of the existing ide layer because many
> new sata controllers are using an interface that is very similair to scsi
> (much like atapi).
>
> The existing ide layer is geared tward pata (old style with 40 or 80 pins),
> and any sata controller that behaves like a pata coltroller. That's why
> ICH5 and VIA's controllers are supported first (and not with all of their
> features like hotplug and some others).
>
> I'd say use the stock ide driver unless libata gives you features you need,
> or a >30% speed boost.
>
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