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Date: Thu, 26 Mar 2009 03:36:52 -0700
From: malahal@us.ibm.com
Subject: Re: [linux-lvm] lvm mirror read performance, no load balance with PV ?
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To: linux-lvm@redhat.com

Sascha Thomas Spreitzer [sascha@spreitzer.name] wrote:
> Can you give me a reference to this patch first? URL?

See the following link. If you read the responses, then you know why it
is not in upstream yet. 

http://permalink.gmane.org/gmane.linux.kernel.device-mapper.devel/2415

Thanks, Malahal.