Date: Fri, 18 Jun 2010 15:17:11 -0700 From: Chuck Swiger <cswiger@mac.com> To: oizs <oizs@freemail.hu> Cc: freebsd-current@freebsd.org Subject: Re: Dell Perc 5/i Performance issues Message-ID: <8CA16EA2-9B00-4A09-AD71-5E3E9A4E469D@mac.com> In-Reply-To: <4C1B3792.9000007@freemail.hu> References: <4C1AB4C0.4020604@freemail.hu> <A594C946-32C0-4C4A-AA37-0E81D270162A@mac.com> <4C1B3792.9000007@freemail.hu>
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On Jun 18, 2010, at 2:08 AM, oizs wrote: > I've seen people with the same configuration doing 160MB/s writes and 250MB/s+ reads with raid5 so I still think something isn't right. How is that being measured? > And using raid10 with 4 disks is a rather large waste of capacity. If you value performance and reliability more than cost, RAID-10 is a better choice. If you value cost more than performance, RAID-5 is what you use. See: http://lists.freebsd.org/pipermail/freebsd-questions/2006-March/116122.html Regards, -- -Chuck
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