From mboxrd@z Thu Jan 1 00:00:00 1970 From: Tejun Heo Subject: Re: Drives which perform frequent head unloads under Linux Date: Thu, 12 Feb 2009 10:52:18 +0900 Message-ID: <499380D2.5070306@kernel.org> References: <200902031429.19457.fcartegnie@free.fr> Mime-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 7bit Return-path: Received: from hera.kernel.org ([140.211.167.34]:45384 "EHLO hera.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1755538AbZBLBwK (ORCPT ); Wed, 11 Feb 2009 20:52:10 -0500 In-Reply-To: <200902031429.19457.fcartegnie@free.fr> Sender: linux-ide-owner@vger.kernel.org List-Id: linux-ide@vger.kernel.org To: Francois Cartegnie Cc: linux-ide@vger.kernel.org Francois Cartegnie wrote: > MSI Megabook S425 > MK8025GAS (unload every 8/10sec) > Workaround with APM to 254 (but doesn't disable totally). >>From the smartctl output, 9 Power_On_Hours ... 2791 193 Load_Cycle_Count ... 100209 Which gives us 35.9 load cycles per hour which is kind of okay. Is this because you have been running the system with APM value adjusted? Thanks. -- tejun