Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1752777AbaKGRmk (ORCPT ); Fri, 7 Nov 2014 12:42:40 -0500 Received: from aserp1040.oracle.com ([141.146.126.69]:49798 "EHLO aserp1040.oracle.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751708AbaKGRmj (ORCPT ); Fri, 7 Nov 2014 12:42:39 -0500 To: "Martin K. Petersen" Cc: Chris Friesen , Jens Axboe , lkml , , Mike Snitzer Subject: Re: absurdly high "optimal_io_size" on Seagate SAS disk From: "Martin K. Petersen" Organization: Oracle Corporation References: <545BA625.40308@windriver.com> <545BAD05.3050800@windriver.com> <545BB3AB.8070409@windriver.com> <545BC88A.7060706@windriver.com> <545C5A1B.9020206@windriver.com> Date: Fri, 07 Nov 2014 12:42:31 -0500 In-Reply-To: (Martin K. Petersen's message of "Fri, 07 Nov 2014 11:25:25 -0500") Message-ID: User-Agent: Gnus/5.13 (Gnus v5.13) Emacs/24.3 (gnu/linux) MIME-Version: 1.0 Content-Type: text/plain X-Source-IP: ucsinet21.oracle.com [156.151.31.93] Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org >>>>> "Martin" == Martin K Petersen writes: Martin> I know there was a bug open with Seagate. I assume it has been Martin> fixed in their latest firmware. Seagate confirms that this issue was fixed about a year ago. Will provide more data when I have it. -- Martin K. Petersen Oracle Linux Engineering -- 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/