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Date:      Thu, 25 Jan 2007 17:48:02 -0800
From:      Milo Hyson <milo@cyberlifelabs.com>
To:        freebsd-questions@freebsd.org
Subject:   Re: [SOLVED] RAID Performance Questions
Message-ID:  <166EDE70-785D-4C33-9852-F84601CCB4A0@cyberlifelabs.com>
In-Reply-To: <epbaqt$jsm$1@sea.gmane.org>
References:  <25E0702D-C3A3-4B6B-BC56-D1BC5C1347F5@cyberlifelabs.com> <epbaqt$jsm$1@sea.gmane.org>

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A quick call to 3ware and they told me to increase vfs.read_max from  
8 to 256. That helped. I'm now seeing 4x performance on a four-drive  
array vs a single drive. Additionally, Ivan was right about the  
database being too small. iostat showed no disk activity after the  
initial run, as everything was cached in memory.

--
Milo Hyson
CyberLife Labs




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