Raid 1

Sam Barnett-Cormack s.barnett-cormack at lancaster.ac.uk
Mon Feb 16 11:21:58 UTC 2004


On Mon, 16 Feb 2004, Alexander Dalloz wrote:

> Am Mo, den 16.02.2004 schrieb Sam Barnett-Cormack um 12:08:
> > On Mon, 16 Feb 2004, Alexander Dalloz wrote:
> >
> > > Am Mo, den 16.02.2004 schrieb kaze um 04:57:
> > > > I might be totally wrong, but if you set up the RAID as hardware RAID, from
> > > > the OS's point of view there is only one hard drive - so there is _no_ OS /
> > > > software stuff to do.
> > >
> > > You are wrong, in the case you are speaking of those "fake" RAID
> > > adapters like the Belkin IDE the OP asked about or the low budget
> > > Promise or HighPoint controllers. they are just BIOS supported pure
> > > software (with special, often closed source driver) controllers.
> > > Speaking of IDE RAID controllers only the 3ware controllers are real
> > > hardware RAID controllers. They have an own logic chip doing the job.
> >
> > Actually, a lot of these cheap IDE RAID controllers really do do
> > something, and don't require any drivers. They do require a braindead OS
> > which trusts the BIOS completely. Of course, they generally do only do
> > RIAD0 and or RAID1, which are very light on the computation.
>
> Hi!
>
> Do you have specific examples about controllers (chips) working as
> RAID0/1 without any additional driver and on which OS? At least you are
> not speaking about Linux, aren't you?

Not linux, no - as it's not braindead enough to let the BIOS tell it
what's going on. Windows is - the card in my desktop at work works with
no extra drivers under windows 2k, at least. Windows doesn't even say it
knows it's RAID. The setup is done entirely through the card's BIOS.

-- 

Sam Barnett-Cormack
Software Developer                           |  Student of Physics & Maths
UK Mirror Service (http://www.mirror.ac.uk)  |  Lancaster University





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