From mboxrd@z Thu Jan 1 00:00:00 1970 From: Nicola Fankhauser Subject: Re: strangre drive behaviour. Date: Sun, 06 Mar 2005 10:41:31 +0100 Message-ID: <1110102091.2033.8.camel@zwerg.variant.ch> References: <422AAAA7.6080106@fastmail.co.uk> Mime-Version: 1.0 Content-Type: text/plain Content-Transfer-Encoding: 7bit In-Reply-To: <422AAAA7.6080106@fastmail.co.uk> Sender: linux-raid-owner@vger.kernel.org To: linux-raid@vger.kernel.org List-Id: linux-raid.ids hi max On Sun, 2005-03-06 at 08:00, Max Waterman wrote: > It seems to work as a slave device, but not as a master. I have tried > many combinations of interfaces/cables/power/etc. just to check basic things: what are your drives' jumper settings? if all your drives are set to "cable select", and the "strange" drive explicitely to "slave", then this could explain the behavior. see [1] for jumper settings on the WD series. > Can I just make it a slave device? How will that effect performance? AFAIK there should be only a problem if you have two drives on the same bus - they block each other. so it should be fine if you just leave it that way... though somebody might have a better explanation for the phenomenon... regards nicola [1]: http://wdc.custhelp.com/cgi-bin/wdc.cfg/php/enduser/std_adp.php?p_faqid=84&p_created=1005005461