From mboxrd@z Thu Jan 1 00:00:00 1970 From: "Darrick J. Wong" Subject: Re: [PATCH 0/7] Roll-up of libsas and aic94xx patches Date: Mon, 29 Jan 2007 14:56:17 -0800 Message-ID: <45BE7B91.1020103@us.ibm.com> References: <200701262206.l0QM6iCb017066@d01av02.pok.ibm.com> <45BAE434.6090306@torque.net> Reply-To: "Darrick J. Wong" Mime-Version: 1.0 Content-Type: text/plain; charset=ISO-8859-1 Content-Transfer-Encoding: 7bit Return-path: Received: from e35.co.us.ibm.com ([32.97.110.153]:53379 "EHLO e35.co.us.ibm.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S932829AbXA2W4S (ORCPT ); Mon, 29 Jan 2007 17:56:18 -0500 Received: from westrelay02.boulder.ibm.com (westrelay02.boulder.ibm.com [9.17.195.11]) by e35.co.us.ibm.com (8.13.8/8.12.11) with ESMTP id l0TMuIXg031611 for ; Mon, 29 Jan 2007 17:56:18 -0500 Received: from d03av03.boulder.ibm.com (d03av03.boulder.ibm.com [9.17.195.169]) by westrelay02.boulder.ibm.com (8.13.8/8.13.8/NCO v8.2) with ESMTP id l0TMuIf2554188 for ; Mon, 29 Jan 2007 15:56:18 -0700 Received: from d03av03.boulder.ibm.com (loopback [127.0.0.1]) by d03av03.boulder.ibm.com (8.12.11.20060308/8.13.3) with ESMTP id l0TMuHaw014762 for ; Mon, 29 Jan 2007 15:56:18 -0700 In-Reply-To: <45BAE434.6090306@torque.net> Sender: linux-scsi-owner@vger.kernel.org List-Id: linux-scsi@vger.kernel.org To: dougg@torque.net Cc: linux-scsi , Alexis Bruemmer Douglas Gilbert wrote: > Darrick, > The "reset the device" is a bit vague. Would that > be a LU reset (task management function) or a > "hard reset"? If the latter then it will cause > collateral damage if the target contains multiple > logical units (i.e. it will reset all of them, > not just the one failing to spin up). It's a hard reset. After talking to Mike Anderson, it seems that device_reset => LU reset and bus reset => phy reset are more appropriate for SAS. Will post patch shortly. --D