From mboxrd@z Thu Jan 1 00:00:00 1970 From: Douglas Gilbert Subject: sdparm cannot start or stop SATA disks Date: Fri, 29 Jul 2005 20:47:51 +1000 Message-ID: <42EA0957.9010408@torque.net> Reply-To: dougg@torque.net Mime-Version: 1.0 Content-Type: text/plain; charset=ISO-8859-1; format=flowed Content-Transfer-Encoding: 7bit Return-path: Received: from zorg.st.net.au ([203.16.233.9]:39863 "EHLO borg.st.net.au") by vger.kernel.org with ESMTP id S262568AbVG2Kr1 (ORCPT ); Fri, 29 Jul 2005 06:47:27 -0400 Received: from localhost (localhost [127.0.0.1]) by borg.st.net.au (Postfix) with ESMTP id 02F053947DC for ; Fri, 29 Jul 2005 20:47:50 +1000 (EST) Received: from [192.168.48.80] (dsl-94.28.240.220.dsl.comindico.com.au [220.240.28.94]) by borg.st.net.au (Postfix) with ESMTP id 5F924394984 for ; Fri, 29 Jul 2005 20:47:49 +1000 (EST) Sender: linux-scsi-owner@vger.kernel.org List-Id: linux-scsi@vger.kernel.org To: linux-scsi@vger.kernel.org Putting this post on this list might head off more (private) emails on this subject. sdparm uses the START STOP UNIT SCSI command to start and stop (spin up and spin down) SCSI devices. Currently libata does not implement that SCSI command. [Hopefully Jeff contradicts me.] Has anybody seen a USB or 1394 enclosure that implements START STOP UNIT? [The command is defined in SBC, MMC and RBC.] Doug Gilbert