Date: Mon, 12 Feb 2007 09:40:18 +1030 From: "Daniel O'Connor" <doconnor@gsoft.com.au> To: freebsd-stable@freebsd.org Cc: Artem Kuchin <matrix@itlegion.ru> Subject: Re: What is a good choice of sata-ii raid controller for freebsd? Message-ID: <200702120940.42167.doconnor@gsoft.com.au> In-Reply-To: <20070211140444.GB40782@hugo10.ka.punkt.de> References: <00ad01c74b65$79db1710$0c00a8c0@Artem> <01e601c74c5d$31be19c0$0c00a8c0@Artem> <20070211140444.GB40782@hugo10.ka.punkt.de>
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--nextPart1577926.I2ARgh5ztK Content-Type: text/plain; charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable Content-Disposition: inline On Monday 12 February 2007 00:34, Patrick M. Hausen wrote: > One guy that I happen to know, who was responsible for the database > backend servers of Germany's biggest web mail provider at the time, > ran extensive benchmarks. Result: for RAID 1, RAID 0 and RAID 1+0 > there is no difference in "hardware RAID" vs. OS mirroring and > striping. He used Linux, but I'd bet a huge amount that his > findings can be transferred to arbitrary current operating systems. Software RAID won't help you if your primary disk gets an error in, say, th= e=20 second stage loader. =2D-=20 Daniel O'Connor software and network engineer for Genesis Software - http://www.gsoft.com.au "The nice thing about standards is that there are so many of them to choose from." -- Andrew Tanenbaum GPG Fingerprint - 5596 B766 97C0 0E94 4347 295E E593 DC20 7B3F CE8C --nextPart1577926.I2ARgh5ztK Content-Type: application/pgp-signature -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.4.5 (FreeBSD) iD8DBQBFz6Jy5ZPcIHs/zowRAlbIAJ9A/gGege0jB6sepPlpz3CRXX+yAQCeJ2sH RnA3rPfsu+Wp5cW9l4rKN7U= =W79B -----END PGP SIGNATURE----- --nextPart1577926.I2ARgh5ztK--
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