linux-kernel - Re: Integration of SCST in the mainstream Linux kernel

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Date:	Mon, 04 Feb 2008 12:00:01 -0500
From:	David Dillow <dillowda@...l.gov>
To:	Bart Van Assche <bart.vanassche@...il.com>
Cc:	Vladislav Bolkhovitin <vst@...b.net>,
	James Bottomley <James.Bottomley@...senpartnership.com>,
	Linus Torvalds <torvalds@...ux-foundation.org>,
	Andrew Morton <akpm@...ux-foundation.org>,
	FUJITA Tomonori <fujita.tomonori@....ntt.co.jp>,
	linux-scsi@...r.kernel.org, scst-devel@...ts.sourceforge.net,
	linux-kernel@...r.kernel.org,
	"Nicholas A. Bellinger" <nab@...ux-iscsi.org>
Subject: Re: Integration of SCST in the mainstream Linux kernel


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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