Raid 1

Robert Hartung* rwhart at netexpress.net
Mon Feb 16 17:03:12 UTC 2004


So to sum it up:

  3ware is safe.  Belkin and even the Promise FastTrak TX2000 probably won't 
work as a true hardware only solution. So 3ware it is.  At least the Belkin 
card was a hand-me-down at $0 cost.

Thanks,

Bob


Quoting Sam Barnett-Cormack <s.barnett-cormack at lancaster.ac.uk>:

> On Mon, 16 Feb 2004, WA9ALS - John wrote:
> 
> >
> > ----- Original Message -----
> > From: "Sam Barnett-Cormack" <s.barnett-cormack at lancaster.ac.uk>
> > To: <fedora-list at redhat.com>
> > Sent: Monday, February 16, 2004 6:21 AM
> > Subject: RE: Raid 1
> >
> >
> > > 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.
> >
> > So if I get a new Dell server with hardware RAID, it that going to work
> > EASILY as a single drive with FC1??
> 
> Depends on what hardware RAID the system uses.
> 
> -- 
> 
> Sam Barnett-Cormack
> Software Developer                           |  Student of Physics & Maths
> UK Mirror Service (http://www.mirror.ac.uk)  |  Lancaster University
> 
> 
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