From mboxrd@z Thu Jan 1 00:00:00 1970 From: =?utf-8?Q?Peter_M=C3=BCnster?= Subject: Re: prevent disk from spinning up at system resume Date: Mon, 23 Mar 2015 15:07:17 +0100 Message-ID: <871tkfiz8q.fsf@free.fr> References: <87iodsht89.fsf@free.fr> Mime-Version: 1.0 Content-Type: text/plain Return-path: Received: from plane.gmane.org ([80.91.229.3]:40746 "EHLO plane.gmane.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752158AbbCWOH3 (ORCPT ); Mon, 23 Mar 2015 10:07:29 -0400 Received: from list by plane.gmane.org with local (Exim 4.69) (envelope-from ) id 1Ya30p-0003OV-7v for linux-pm@vger.kernel.org; Mon, 23 Mar 2015 15:07:27 +0100 Received: from arennes-651-1-273-185.w2-2.abo.wanadoo.fr ([2.2.240.185]) by main.gmane.org with esmtp (Gmexim 0.1 (Debian)) id 1AlnuQ-0007hv-00 for ; Mon, 23 Mar 2015 15:07:27 +0100 Received: from pmlists by arennes-651-1-273-185.w2-2.abo.wanadoo.fr with local (Gmexim 0.1 (Debian)) id 1AlnuQ-0007hv-00 for ; Mon, 23 Mar 2015 15:07:27 +0100 Sender: linux-pm-owner@vger.kernel.org List-Id: linux-pm@vger.kernel.org To: linux-pm@vger.kernel.org On Mon, Mar 23 2015, Alan Stern wrote: >> - when doing "echo scsi remove-single-device 2 0 0 0 >/proc/scsi/scsi" >> before s2ram, sdb keeps sleeping after resume > > It looks like you already have your answer. Sorry, I forgot to mention, that the disk needs to be mounted. I just wanted to point out, that the kernel wakes up the disk, and not the bios or something else. -- Peter