--- Arjan van de Ven <[email protected]> wrote:
> On Thu, 2006-08-24 at 11:19 -0700, Aleksey Gorelov wrote:
> > >From: [email protected]
> > >[mailto:[email protected]] On Behalf Of Jan Engelhardt
> > >>
> > >> I was curious that can we develop a generic disk driver that could
> > >> handle all the kinds of hard drives - IDE, SCSI, RAID et al?
> > >
> > >ide_generic
> > >sd_mod
> > >
> > >All there, what more do you want?
> >
> > Unfortunately, not _all_. DMRAID does not support all fake raids yet.
>
> Hi,
>
> it'll be easier and quicker to rev engineer 5 more formats than it will
> be to get the bios thing working ;) And the performance of the bios
probably true - I'm actually not great fan of originally proposed approach. But,
unfortunately, manufactures and vendors still look more to MS. Until market
situation changes, there is always a gap...
> thing will be really really bad... (hint: real mode can access only 1Mb
> of memory, so you will bounce buffer all IO's)
This is true for non-dma case only. As I already mentioned before, most BIOSes
support dma, and there is no 1Mb limit for that (at least on modern hw).
Aleks.
>
> Greetings,
> Arjan van de Ven
>
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