Date: Fri, 18 Jun 2010 01:50:24 +0200 From: oizs <oizs@freemail.hu> To: freebsd-current@freebsd.org Subject: Dell Perc 5/i Performance issues Message-ID: <4C1AB4C0.4020604@freemail.hu>
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Hi, I've bought a Dell Perc 5/i because I couldn't make the onboard marvell 88sx7042 work with 8.0/8.1 or current, but as lucky as I am, the best I can do with 4x1.5tb samsung in raid5 is 60MB/s writes and 90MB/s reads, with bbu/write-back/adaptive-read-ahead. I was expecting at least twice of that, and I'm not sure what can I do to get that speed. (I've read man 7 tuning with no success) As far as I know this controller should be as fast as on other systems. (Freebsd.org mx1 has one of these cards.) I'm hoping somebody on the list reads this and helps because I can't afford to buy another card. Thanks in advance, -zsozso
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