Date: Mon, 04 Feb 2008 12:00:01 -0500
From: David Dillow <dillowda@ornl.gov>
Subject: Re: Integration of SCST in the mainstream Linux kernel
In-reply-to: <e2e108260802040553j2f3bf8c2n9fae132e000990f7@mail.gmail.com>
To: Bart Van Assche <bart.vanassche@gmail.com>
Cc: Vladislav Bolkhovitin <vst@vlnb.net>,
       James Bottomley <James.Bottomley@hansenpartnership.com>,
       Linus Torvalds <torvalds@linux-foundation.org>,
       Andrew Morton <akpm@linux-foundation.org>,
       FUJITA Tomonori <fujita.tomonori@lab.ntt.co.jp>,
       linux-scsi@vger.kernel.org, scst-devel@lists.sourceforge.net,
       linux-kernel@vger.kernel.org,
       "Nicholas A. Bellinger" <nab@linux-iscsi.org>
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On Mon, 2008-02-04 at 14:53 +0100, Bart Van Assche wrote:
> Another issue I have to look further into is that dd and xdd report
> different results for very large block sizes (> 1 MB).

Be aware that xdd reports 1 MB as 1000000, not 1048576. Though, it looks
like dd is the same, so that's probably not helpful. Also, make sure
you're passing {i,o}flag=direct to dd if you're using -dio in xdd to be
sure you are comparing apples to apples.
-- 
Dave Dillow
National Center for Computational Science
Oak Ridge National Laboratory
(865) 241-6602 office


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