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?
Date: Sun, 6 Feb 2011 17:44:45 +0100 [thread overview]
Message-ID: <20110206174445.19419b0f@galadriel2.home> (raw)
In-Reply-To: <alpine.DEB.2.00.1102060817590.28109@p34.internal.lan>
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
--
------------------------------------------------------------------------
Emmanuel Florac | Direction technique
| Intellique
| <eflorac@intellique.com>
| +33 1 78 94 84 02
------------------------------------------------------------------------
next prev parent reply other threads:[~2011-02-06 16:44 UTC|newest]
Thread overview: 20+ messages / expand[flat|nested] mbox.gz Atom feed top
2011-02-05 19:35 Supermicro X8DTH-6: Only ~250MiB/s from RAID<->RAID over 10GbE? Justin Piszcz
2011-02-05 19:42 ` Jean Gobin
2011-02-05 19:54 ` Justin Piszcz
2011-02-05 20:18 ` Justin Piszcz
2011-02-05 20:39 ` Stan Hoeppner
2011-02-05 20:45 ` Emmanuel Florac
2011-02-05 21:05 ` Justin Piszcz
2011-02-05 22:06 ` Dr. David Alan Gilbert
2011-02-05 22:30 ` Justin Piszcz
2011-02-05 22:56 ` Justin Piszcz
2011-02-05 23:54 ` Stan Hoeppner
2011-02-06 1:08 ` Justin Piszcz
2011-02-06 3:16 ` Stan Hoeppner
2011-02-06 10:16 ` Justin Piszcz
2011-02-06 13:46 ` Justin Piszcz
2011-02-06 16:44 ` Emmanuel Florac [this message]
2011-02-06 16:55 ` Zdenek Kaspar
2011-02-06 17:52 ` Justin Piszcz
2011-02-06 22:01 ` Stan Hoeppner
2011-02-07 3:59 ` Julian Calaby
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=20110206174445.19419b0f@galadriel2.home \
--to=eflorac@intellique.com \
--cc=ap@solarrain.com \
--cc=jpiszcz@lucidpixels.com \
--cc=linux-kernel@vger.kernel.org \
--cc=linux-net@vger.kernel.org \
--cc=linux-scsi@vger.kernel.org \
--cc=linux@treblig.org \
--cc=stan@hardwarefreak.com \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox