From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from pigeon.gentoo.org ([208.92.234.80] helo=lists.gentoo.org) by finch.gentoo.org with esmtp (Exim 4.60) (envelope-from ) id 1RBtnS-0001f2-6B for garchives@archives.gentoo.org; Thu, 06 Oct 2011 19:39:58 +0000 Received: from pigeon.gentoo.org (localhost [127.0.0.1]) by pigeon.gentoo.org (Postfix) with SMTP id 6688421C13D; Thu, 6 Oct 2011 19:39:49 +0000 (UTC) Received: from mail-wy0-f181.google.com (mail-wy0-f181.google.com [74.125.82.181]) by pigeon.gentoo.org (Postfix) with ESMTP id 0953821C256 for ; Thu, 6 Oct 2011 19:38:40 +0000 (UTC) Received: by wyf19 with SMTP id 19so4014782wyf.40 for ; Thu, 06 Oct 2011 12:38:40 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=gamma; h=mime-version:sender:in-reply-to:references:from:date :x-google-sender-auth:message-id:subject:to:content-type; bh=RjOTXFZBUA+1VfOXvnsCPFBA1W+e0woTbTPzdyYWygs=; b=V3z+5oBVWaovb9GM3VpReXWCvy5I8vv4Qa0vjXlRwhHadIh7KSsrs3vUJ0rbIPLN81 U8HCzr5O11/ko/yUQ0eeUsRmTc0FO+V3J+ZmW54BdK+a0MBCKXfBCqiMXtt8Z0cPeOPL d+5ta7LF5QiwMEqFsvAdjgWwPkkNj94hzLXSE= Received: by 10.227.29.85 with SMTP id p21mr1469706wbc.84.1317929920207; Thu, 06 Oct 2011 12:38:40 -0700 (PDT) Precedence: bulk List-Post: List-Help: List-Unsubscribe: List-Subscribe: List-Id: Gentoo Linux mail X-BeenThere: gentoo-user@lists.gentoo.org Reply-to: gentoo-user@lists.gentoo.org MIME-Version: 1.0 Sender: paul.hartman@gmail.com Received: by 10.227.59.193 with HTTP; Thu, 6 Oct 2011 12:38:20 -0700 (PDT) In-Reply-To: <4E8DFE1B.6060403@gmail.com> References: <4E8DFE1B.6060403@gmail.com> From: Paul Hartman Date: Thu, 6 Oct 2011 14:38:20 -0500 X-Google-Sender-Auth: 26gi_lEjgtWmJ1VW_1nXesRy9rI Message-ID: Subject: Re: [gentoo-user] How can I power disk off? To: gentoo-user@lists.gentoo.org Content-Type: text/plain; charset=ISO-8859-1 X-Archives-Salt: X-Archives-Hash: 919941843cb5cb09f170e5af92cb829b On Thu, Oct 6, 2011 at 2:14 PM, Jarry wrote: > Hi, > > In my server I have a few disks which must be running 24/7, > but I also have a single big hard-drive, which is used only > for a few minutes every day, just for backups. How could I > power disk off when not needed (and "on" again when needed) > in order to save a little power and prolong its life? Use hdparm to set the power-saving level. Also look into general power-saving tips for linux laptop users which may help reduce unnecessary accesses to that drive. Maybe even use laptop-mode-tools.