On Sun, 2005-10-30 at 13:50 -0200, Rodrigo Barbosa wrote:
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> On Sat, Oct 29, 2005 at 06:07:35PM -0500, Erick Perez wrote:
> > But having a "fake" bios doing raid1 isnt' more stable/better than to
> > emulate raid1 in software?
>
> Actually, no.
> First, it is not really an emulation, but a full directly implementation.
> The second reason is that the raid implemented by the controler is also
> software based, and Linux raid1 implementation is supperior.
>
> > However the main question remains, Why the adaptec 79xx driver does
> > not "see" that I created a raid1 in the bios? why keeps showing me two
> > "drives" instead of one?
> >
> > Cause that will mean that the linux 79xx is not "fully" compatible
> > (ok, it is 99.999999% compatible) with the AIC-7901 Adaptec 320 with
> > HostRAID (fake BIOS or not).
>
> Again, no.
> It is not that Linux is not complatible with HostRAID. It is most of
> a fact that HostRAID does not exist by itself.
>
> Think of it this way. When you implement Raid1 using Linux on those
> drives, and then boot the same machine on Windows, Windows won't
> recognize the md device either. It is exactly the same thing.
> HostRAID is as much of a software raid as Linux softraid.
>
> Of course this is a simplification, but it is what HostRAID really
> boils down to in the end.
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if not a marketing tactic attempting to imbue extra value.
Craig
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