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Date: Sun, 6 Feb 2011 17:44:45 +0100
From: Emmanuel Florac <eflorac@intellique.com>
To: Justin Piszcz <jpiszcz@lucidpixels.com>
Cc: Stan Hoeppner <stan@hardwarefreak.com>,
        "Dr. David Alan Gilbert" <linux@treblig.org>,
        linux-kernel@vger.kernel.org, linux-scsi@vger.kernel.org,
        linux-net@vger.kernel.org, Alan Piszcz <ap@solarrain.com>
Subject: Re: Supermicro X8DTH-6: Only ~250MiB/s from RAID<->RAID over 10GbE?
Message-ID: <20110206174445.19419b0f@galadriel2.home>
In-Reply-To: <alpine.DEB.2.00.1102060817590.28109@p34.internal.lan>
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Le Sun, 6 Feb 2011 08:46:08 -0500 (EST) vous écriviez:

> # for 3ware raid, use 16384 readahead, > 16384 readahead, no
> improvement blockdev --setra 16384 /dev/sda

Also try this :

echo 512 > /sys/block/sda/queue/nr_requests

-- 
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Emmanuel Florac     |   Direction technique
                    |   Intellique
                    |	<eflorac@intellique.com>
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