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Re: [Qemu-devel] Default cache mode

From: Christoph Hellwig
Subject: Re: [Qemu-devel] Default cache mode
Date: Wed, 29 Jun 2011 15:49:12 +0200
User-agent: Mutt/1.5.17 (2007-11-01) 
On Wed, Jun 29, 2011 at 07:06:03AM -0500, Anthony Liguori wrote:
> But for the most part, we track bare metal fairly well in terms of block 
> performance, no?

only if using cache=none and fmt=raw on either a blockdevice or a fully
preallocated (not fallocated) file on a modern filesystem.
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