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Date:      Mon, 30 Jun 2003 11:34:18 -0500
From:      kelley eicher <carde@astro.umn.edu>
To:        Joshua Myles <jamyles@mtu.edu>, freebsd-scsi@freebsd.org
Subject:   Re: Adaptec RAID recommendations
Message-ID:  <20030630163418.GA6774@astro.umn.edu>
In-Reply-To: <Pine.GSO.4.51.0306231955420.15553@cube.ice.mtu.edu>
References:  <Pine.GSO.4.51.0306231955420.15553@cube.ice.mtu.edu>

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> I'm trying to decide on a 64-bit RAID card for a dual-Xeon server running
> FreeBSD 4.8. The system is a Dell 2650, and the RAID controller will be
> connected to a 14-disk U160 array with 73 GB Seagate disks. I intend to u=
se
> the disks in a RAID 5 configuration.
>=20

i'm in this very same boat. currently i have some systems running with myle=
x extremeraid 2000 cards but i have not been overly impressed with their st=
ability in either linux or freebsd.

> Anyway, as I understand it, Adaptec controllers are the most compatible w=
ith
> FreeBSD, so I'm looking at the 3210S and the 2200S. The 3210S can use more
> cache RAM (256 MB) than the 2200S, but the 2200S may be (theoretically)
> faster due to a slightly faster processor (100 MHz 80303 vs. 66 MHz).
>=20

actually, both the 2200S and the 3210S have the same processor in them. the=
 80303 processor is 100Mhz. the specs state 64bit/66Mhz 80303 processor but=
 that is only in reference to the bus rate no thte clock rate. the 80302 is=
 the 66Mhz version and is included on 21xxS boards and below.

you would want the 2200S if you're planning on upgrading to U320 drives tho=
ugh. this brings me to my question: is the adaptec 2200S supported under fr=
eebsd 4.8? has the asr driver been updated for U320 support or no?

> Does anyone have experience with either controller, or have some advice or
> pointers for me?
>=20

yeah, don't use the Mylex cards! ,)

-kelley


--=20

 >> kelley j eicher
<<  UNIX architect
 >> Univ. of MN Astronomy Dept.
<<  ph: (612) 626-2067 or (612) 624-3589
 >> fx: (612) 626-2029
<<  office: 385 physics
 >> carde at astro dot umn dot edu

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