Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S263041AbUFAPpX (ORCPT ); Tue, 1 Jun 2004 11:45:23 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S265089AbUFAPpX (ORCPT ); Tue, 1 Jun 2004 11:45:23 -0400 Received: from 80-169-17-66.mesanetworks.net ([66.17.169.80]:65472 "EHLO mail.bounceswoosh.org") by vger.kernel.org with ESMTP id S263041AbUFAPpT (ORCPT ); Tue, 1 Jun 2004 11:45:19 -0400 Date: Tue, 1 Jun 2004 09:47:39 -0600 From: "Eric D. Mudama" To: "Tvrtko A. Ur?ulin" Cc: linux-kernel@vger.kernel.org Subject: Re: Question about IDE disk shutdown Message-ID: <20040601154739.GA17208@bounceswoosh.org> Mail-Followup-To: "Tvrtko A. Ur?ulin" , linux-kernel@vger.kernel.org References: <200406011713.59904.tvrtko.ursulin@zg.htnet.hr> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii; format=flowed Content-Disposition: inline In-Reply-To: <200406011713.59904.tvrtko.ursulin@zg.htnet.hr> User-Agent: Mutt/1.5.6i Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 934 Lines: 23 On Tue, Jun 1 at 17:13, Tvrtko A. Ur?ulin wrote: >According to my hard disk manual, it is absolutely recommended to put the >drive in STANDBY or SLEEP mode before power cut-off because in that way heads >are nicely parked. In that way it is guaranteed to have 300000 head >load/unload cycles minimum, while in other case it is just 20000 cycles. All "modern" drives have plenty of back-EMF to park the heads properly when power fails. Remember that even if you are limited to 20,000 power cycles reliably, that's over 5 reboots every day for 10 years, well over the expected lifetime of the drive. (unless you run windows yuk yuk) -- Eric D. Mudama edmudama@mail.bounceswoosh.org - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/