Date: Fri, 17 Feb 2006 04:11:20 -0800 From: "Ted Mittelstaedt" <tedm@toybox.placo.com> To: "Foo Ji-Haw" <jhfoo@nexlabs.com>, "bsd" <bsd@todoo.biz>, "Robert Uzzi" <ruzzi@compedgeracing.com> Cc: Liste FreeBSD <freebsd-questions@freebsd.org> Subject: RE: SATA Raid Message-ID: <LOBBIFDAGNMAMLGJJCKNAEGKFDAA.tedm@toybox.placo.com> In-Reply-To: <067101c63216$a7682f10$c801a8c0@nexpc>
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>-----Original Message----- >From: owner-freebsd-questions@freebsd.org >[mailto:owner-freebsd-questions@freebsd.org]On Behalf Of Foo Ji-Haw >Sent: Wednesday, February 15, 2006 2:00 AM >To: bsd; Robert Uzzi >Cc: Liste FreeBSD >Subject: Re: SATA Raid > > >Do note that cheap SATA raid controllers are in fact 'software' >raid cards; >much of the load is on the cpu rather than the asic. > This does not matter when your just doing mirroring or striping, no parity calculations. It only matters with RAID5 which most of the cheap raid controllers don't do. With the size of disks today and cost, if your looking primariarly for reliability, just mirror 2 large disks. Ted
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