Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1756180AbYJMVfc (ORCPT ); Mon, 13 Oct 2008 17:35:32 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1751877AbYJMVfV (ORCPT ); Mon, 13 Oct 2008 17:35:21 -0400 Received: from smtp-out.google.com ([216.239.33.17]:59824 "EHLO smtp-out.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751052AbYJMVfU (ORCPT ); Mon, 13 Oct 2008 17:35:20 -0400 DomainKey-Signature: a=rsa-sha1; s=beta; d=google.com; c=nofws; q=dns; h=message-id:date:from:to:subject:cc:in-reply-to: mime-version:content-type:content-transfer-encoding: content-disposition:references; b=DN79zUDyU7WBeuF9Gu26YuFQNX2M/Ptqgu6f7pESGfjvL34vVhnjsGFdh3emuq2UC ecRtsx5nWUFLBff7yGCcQ== Message-ID: Date: Mon, 13 Oct 2008 14:35:11 -0700 From: "Grant Grundler" To: "kenneth johansson" Subject: Re: weird throughput on write to SATA disk Cc: linux-ide@vger.kernel.org, linux-kernel@vger.kernel.org In-Reply-To: MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 7bit Content-Disposition: inline References: <1223925629.3947.7.camel@duo> <1223932956.3947.22.camel@duo> Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 486 Lines: 13 On Mon, Oct 13, 2008 at 2:34 PM, Grant Grundler wrote: ... > Can you try "dd oflag=direct if=/dev/null of=/dev/sdb bs=64k"? sorry...meant to type "if=/dev/zero"...I don't recall if /dev/null will work the same. grant -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/