[5376] in linux-scsi channel archive
Re: Dumb question: Which is "better" SCSI or IDE disks?
daemon@ATHENA.MIT.EDU (Gregory Maxwell)
Wed Dec 9 21:09:52 1998
Date: Wed, 9 Dec 1998 10:24:28 -0500 (EST)
From: Gregory Maxwell <linker@z.ml.org>
To: C S Hendrix <shendrix@escape.widomaker.com>
cc: linux-kernel@vger.rutgers.edu, linux-scsi@vger.rutgers.edu
In-Reply-To: <199812081904.OAA32370@escape.widomaker.com>
On Tue, 8 Dec 1998, C S Hendrix wrote:
> > RAID-1 is disk mirror. DPT is cache with RAID. RAID will increase the
> > disk performance.
>
> Not when doing RAID1 it won't. You are doing a mirror. You'll be
> lucky if it's even as fast as non-RAID.
All okay raid-1 implimentations stripe reads, thus doubling your read
performance.
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