From mboxrd@z Thu Jan 1 00:00:00 1970 From: Tejun Heo Subject: Re: sil24 PMP works with ST3500641AS but not HDS721010KLA330 Date: Wed, 03 Oct 2007 12:30:08 +0900 Message-ID: <47030CC0.8040601@gmail.com> References: <20071002170445.GB2902@merlins.org> Mime-Version: 1.0 Content-Type: text/plain; charset=ISO-8859-1 Content-Transfer-Encoding: 7bit Return-path: Received: from an-out-0708.google.com ([209.85.132.242]:9173 "EHLO an-out-0708.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1754639AbXJCDbl (ORCPT ); Tue, 2 Oct 2007 23:31:41 -0400 Received: by an-out-0708.google.com with SMTP id d31so658605and for ; Tue, 02 Oct 2007 20:31:41 -0700 (PDT) In-Reply-To: <20071002170445.GB2902@merlins.org> Sender: linux-ide-owner@vger.kernel.org List-Id: linux-ide@vger.kernel.org To: Marc MERLIN Cc: linux-ide@vger.kernel.org Marc MERLIN wrote: > Howdy, > > I've had a system with 2.6.22.1 for a while, running 10 drives > behind a PMP on a sil24 card with no problems. > > Recently, I swapped 5 250GB drives with 5 TB drives. > The 5 TB drives eventually get detected, but do not work reliably. 1. Does booting with fewer number of drives (say 5) help? 2. Does limiting PHY speed to 1.5Gbps using DIP switch on the harddrive help? -- tejun