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 1RBtdS-0008Qc-PT for garchives@archives.gentoo.org; Thu, 06 Oct 2011 19:29:38 +0000 Received: from pigeon.gentoo.org (localhost [127.0.0.1]) by pigeon.gentoo.org (Postfix) with SMTP id 6F3BD21C106; Thu, 6 Oct 2011 19:29:15 +0000 (UTC) Received: from mail-qw0-f53.google.com (mail-qw0-f53.google.com [209.85.216.53]) by pigeon.gentoo.org (Postfix) with ESMTP id A565921C0FF for ; Thu, 6 Oct 2011 19:27:43 +0000 (UTC) Received: by qafi31 with SMTP id i31so4443556qaf.40 for ; Thu, 06 Oct 2011 12:27:43 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=gamma; h=mime-version:in-reply-to:references:date:message-id:subject:from:to :content-type; bh=csKFmeXZtkJ6pq6StuOmeK6Oe60f+wlI8WI3Zzys1Rs=; b=pxXK9v9uDwVk5NGloLrUcYF0LbaYS9Mu1kcXd+IRIpoj/xoisX/j356Ek7mXJoW3sq e6q23KunixmaLGw8jn3t7MthiS1MZlGc1uVmdFp8BsaR9G6eRcJ3L7tvMObToV86njK0 I8MOXWPJpHvHRUwwRoFLPXp380QkAlkHxRw+c= 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 Received: by 10.224.200.69 with SMTP id ev5mr876776qab.135.1317929263145; Thu, 06 Oct 2011 12:27:43 -0700 (PDT) Received: by 10.224.80.209 with HTTP; Thu, 6 Oct 2011 12:27:42 -0700 (PDT) In-Reply-To: <4E8DFE1B.6060403@gmail.com> References: <4E8DFE1B.6060403@gmail.com> Date: Thu, 6 Oct 2011 12:27:42 -0700 Message-ID: Subject: Re: [gentoo-user] How can I power disk off? From: Mark Knecht To: gentoo-user@lists.gentoo.org Content-Type: text/plain; charset=UTF-8 X-Archives-Salt: X-Archives-Hash: be89d62e1ddc4d777f57e6a0d870cdd4 On Thu, Oct 6, 2011 at 12:14 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? > > Jarry > -- > _______________________________________________________________ > This mailbox accepts e-mails only from selected mailing-lists! > Everything else is considered to be spam and therefore deleted. > > Look into keywords such as 'Linux disk spin down' in Google. It doesn't completely remove power but if your disks support it then it does significantly reduce power consumed by the drive. I have no idea what's actually in portage to make this easy. HTH, Mark http://www.cs.cmu.edu/~mukesh/hacks/spindown/t1.html