linux-kernel - Re: Supermicro X8DTH-6: Only ~250MiB/s from RAID<->RAID over 10GbE?

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Message-ID: <alpine.DEB.2.00.1102051753100.8518@p34.internal.lan>
Date:	Sat, 5 Feb 2011 17:56:32 -0500 (EST)
From:	Justin Piszcz <jpiszcz@...idpixels.com>
To:	"Dr. David Alan Gilbert" <linux@...blig.org>
cc:	Emmanuel Florac <eflorac@...ellique.com>,
	linux-kernel@...r.kernel.org, linux-scsi@...r.kernel.org,
	linux-net@...r.kernel.org, Alan Piszcz <ap@...arrain.com>
Subject: Re: Supermicro X8DTH-6: Only ~250MiB/s from RAID<->RAID over
 10GbE?

On Sat, 5 Feb 2011, Justin Piszcz wrote:

>
>
> On Sat, 5 Feb 2011, Dr. David Alan Gilbert wrote:
>
>> * Justin Piszcz (jpiszcz@...idpixels.com) wrote:

Not sure how to copy/paste from an IPMI window, but I made my own
kernel for 2.6.37 in CentOS 5.5 (a pain) and now it is doing ~482-500MiB/s
sustained with a single copy (netcat from A->B).  Poor performance with the
default 2.6.18 kernel.  Seems to also slow down over time, down to 
434MiB/s now, but it started very quick and it remains between 
420-500MiB/s sustained.  Now 435-445MiB/s..

Justin.

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