From mboxrd@z Thu Jan 1 00:00:00 1970 From: Tejun Heo Subject: Re: Disk spin down issue on shut down/suspend to disk Date: Tue, 07 Aug 2007 23:37:47 +0900 Message-ID: <46B883BB.10909@gmail.com> References: <46B7AF53.1040307@shaw.ca> <46B8140E.3000509@gmail.com> <46B88173.3020302@shaw.ca> Mime-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 7bit Return-path: Received: from wa-out-1112.google.com ([209.85.146.181]:41541 "EHLO wa-out-1112.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1764148AbXHGOhz (ORCPT ); Tue, 7 Aug 2007 10:37:55 -0400 Received: by wa-out-1112.google.com with SMTP id v27so2150868wah for ; Tue, 07 Aug 2007 07:37:54 -0700 (PDT) In-Reply-To: <46B88173.3020302@shaw.ca> Sender: linux-ide-owner@vger.kernel.org List-Id: linux-ide@vger.kernel.org To: Robert Hancock Cc: Michael Sedkowski , "Rafael J. Wysocki" , Henrique de Moraes Holschuh , linux-kernel@vger.kernel.org, linux-ide@vger.kernel.org, linux-acpi@vger.kernel.org, Thomas Renninger Robert Hancock wrote: > Tejun Heo wrote: >> Yeah, that seems to be what's going on. I don't think we have any other >> choice than blacklisting those notebooks. This is a mess. How does the >> other OS cope with this? > > Quite possible that it gets a double spindown with these laptop/drive > combinations as well. I don't think it's particularly harmful as long as > there's no emergency unload.. I heard that spinning a harddrive back up while the platter is still spinning from the previous spindown can have pretty bad affect on the harddisk. This is from a Samsung HDD service guy and I'm not sure how credible it is at all. Thanks. -- tejun