From mboxrd@z Thu Jan 1 00:00:00 1970 From: Florian Effenberger Subject: Re: libata interface fatal error Date: Mon, 18 Jun 2007 13:28:49 +0200 Message-ID: <46766C71.6030607@effenberger.org> References: <46580134.7010107@effenberger.org> <465BEF50.8050207@gmail.com> <466725E5.9030405@effenberger.org> <4667D4F5.1060302@gmail.com> <4673BA28.2020106@effenberger.org> <4675F84D.3060207@gmail.com> <46766208.1080305@effenberger.org> <467664F6.4060607@gmail.com> Mime-Version: 1.0 Content-Type: text/plain; charset=ISO-8859-15; format=flowed Content-Transfer-Encoding: 7bit Return-path: Received: from garfield.effenberger.org ([85.214.43.221]:41206 "EHLO garfield.effenberger.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1760118AbXFRL2u (ORCPT ); Mon, 18 Jun 2007 07:28:50 -0400 In-Reply-To: <467664F6.4060607@gmail.com> Sender: linux-ide-owner@vger.kernel.org List-Id: linux-ide@vger.kernel.org To: Tejun Heo Cc: linux-ide@vger.kernel.org, jeff@garzik.org Hi Tejun, > Hmmm... Can you use a separate PSU to power two of the four drives and > see what happens? Just power up a PSU as directed in the following > webpage and connect two of the harddrives to the PSU. > > http://modtown.co.uk/mt/article2.php?id=psumod thanks for that link, we will try that and keep you updated what happens! > I don't know. Till now all the problem cases have been isolated to a > specific controller / drive combination (sata_promise and newer seagate > drives) or hardware configuration problem (most of them being PSU > issues), so I don't think we need such option yet. If you have a > problematic hardware which pukes on 3.0Gbps, libata should do the right > thing after complaining a bit which IMHO isn't too bad. So, loss of data or data corruption can't occur, even when we have to wait until the speed is limited? Florian