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Date: Tue, 25 May 2010 14:25:21 +0300
From: Boaz Harrosh <bharrosh@panasas.com>
To: redshield88888 <redshield88888@gmail.com>
CC: linux-nfs@vger.kernel.org
Subject: Re: Can the pNFS be able to construct high-available about the data
 ?
References: <loom.20100525T092804-609@post.gmane.org>
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On 05/25/2010 10:41 AM, redshield88888 wrote:
> Hi
> 
> I wonder that about the pNFS's high availability.
> The pNFS will stripe a file on each DSs, so this file will be currupted when one
> DS has crushed, will not ?
> 

pNFS over objects can do that, and striping over mirrors, and more.

You need to use: pnfs-client with objlayoutdriver on client, exofs on MDS, and osd-targets
on disk-servers.

Cheers Boaz