From owner-freebsd-questions@FreeBSD.ORG Wed Feb 14 08:20:38 2007 Return-Path: X-Original-To: freebsd-questions@freebsd.org Delivered-To: freebsd-questions@freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [69.147.83.52]) by hub.freebsd.org (Postfix) with ESMTP id D785316A407 for ; Wed, 14 Feb 2007 08:20:38 +0000 (UTC) (envelope-from dr2867@pacbell.net) Received: from smtp113.sbc.mail.mud.yahoo.com (smtp113.sbc.mail.mud.yahoo.com [68.142.198.212]) by mx1.freebsd.org (Postfix) with SMTP id 83B9B13C4B5 for ; Wed, 14 Feb 2007 08:20:38 +0000 (UTC) (envelope-from dr2867@pacbell.net) Received: (qmail 27022 invoked from network); 14 Feb 2007 07:53:58 -0000 DomainKey-Signature: a=rsa-sha1; q=dns; c=nofws; s=s1024; d=pacbell.net; h=Received:X-YMail-OSG:Message-ID:Date:From:User-Agent:MIME-Version:To:CC:Subject:References:In-Reply-To:Content-Type:Content-Transfer-Encoding; b=0MZu5Ba4LgkZBeyrfH0dkYjsZgBKxzEWNNfacnlrvEA6rRbcwd+Wcn6pK0QS42SWf39/1ttDrjoLCyWDuLbuOhd4n+QG2BoJ0OVGDJPwC6UOk3xztlwITzQFbdqPOGE5Iz84WT9Avq+lq8BxY7F/uTx4Dztor/B1nLmjynh5SUM= ; Received: from unknown (HELO ?192.168.0.190?) (dr2867.business@pacbell.net@71.146.10.137 with plain) by smtp113.sbc.mail.mud.yahoo.com with SMTP; 14 Feb 2007 07:53:57 -0000 X-YMail-OSG: HCRMReIVM1nI17c1w.jBI996Q3ctjw96eDjv_C.3pN7aiw3J7.0ttSV7x1c0sjAtoobpD7JiIta69kOinfWt3xNWUOucPbboCArMGG1mLxNbRbNWfbV2fJlEiV_dtuE1JNYijlW6EgHLmpo- Message-ID: <45D2C107.80307@pacbell.net> Date: Tue, 13 Feb 2007 23:57:59 -0800 From: Daniel Rudy User-Agent: Mozilla/5.0 (X11R6; UNIX; FreeBSD/i386 6.1-RELEASE-p7; en-US; ja-JP; rv:1.8.0.7) Gecko/20060910 SeaMonkey/1.0.5 MIME-Version: 1.0 To: Chuck Swiger References: <45D1DDA5.90207@gmail.com> In-Reply-To: Content-Type: text/plain; charset=ISO-8859-1 Content-Transfer-Encoding: 7bit Cc: freebsd-questions@freebsd.org Subject: Re: How can I manually turn off the HDD? X-BeenThere: freebsd-questions@freebsd.org X-Mailman-Version: 2.1.5 Precedence: list List-Id: User questions List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Wed, 14 Feb 2007 08:20:38 -0000 At about the time of 2/13/2007 10:58 AM, Chuck Swiger stated the following: > On Feb 13, 2007, at 7:47 AM, deeptech71@gmail.com wrote: >> How can I turn off the HDD? .. and leave the buffers in the memory, >> until the RAM is full .. then spin up the drive, write out the >> data, then it turn off again. > > ENOTSUPPORTED, at least with FreeBSD. Note that Apple has done a lot > of work to facilitate drive spindown for power-saving reasons for > their laptops, so MacOS X will make a reasonable attempt to spindown > the drives until really needed.... > There is a port called ataidle that you may want to look at. It programs the HDD to spin down after a specified timeout. -- Daniel Rudy