From owner-freebsd-stable@FreeBSD.ORG Thu Jul 18 19:33:22 2013 Return-Path: Delivered-To: freebsd-stable@freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [8.8.178.115]) by hub.freebsd.org (Postfix) with ESMTP id 4619A1AD for ; Thu, 18 Jul 2013 19:33:22 +0000 (UTC) (envelope-from joe@karthauser.co.uk) Received: from babel.karthauser.co.uk (212-13-197-151.karthauser.co.uk [212.13.197.151]) by mx1.freebsd.org (Postfix) with ESMTP id 13747270 for ; Thu, 18 Jul 2013 19:33:21 +0000 (UTC) Received: from phoenix.fritz.box (unknown [81.187.183.70]) (Authenticated sender: joemail@tao.org.uk) by babel.karthauser.co.uk (Postfix) with ESMTPSA id 087C52E82; Thu, 18 Jul 2013 19:33:20 +0000 (UTC) Subject: Re: Drive failures with ada on FreeBSD-9.1, driver bug or wiring issue? Mime-Version: 1.0 (Mac OS X Mail 6.5 \(1508\)) Content-Type: text/plain; charset=us-ascii From: Dr Josef Karthauser In-Reply-To: <8AB7617E-791C-45D8-9FA1-A927057EE048@mac.com> Date: Thu, 18 Jul 2013 20:33:20 +0100 Content-Transfer-Encoding: quoted-printable Message-Id: <46338EA7-6195-478C-9999-17810530A6AC@karthauser.co.uk> References: <20130716225013.1C63B23A@babel.karthauser.co.uk> <60F7BE75-5E2F-471E-A9CE-AF4CD17D96E2@karthauser.co.uk> <281DBD06-81D5-4DDD-9464-B96C80C22C3F@gid.co.uk> <51E7DA7C.8060105@netfence.it> <5B6FB80D-609D-4336-B3F8-C09AA7CACB44@karthauser.co.uk> <8AB7617E-791C-45D8-9FA1-A927057EE048@mac.com> To: Charles Swiger X-Mailer: Apple Mail (2.1508) Cc: freebsd-stable@freebsd.org, Andrea Venturoli X-BeenThere: freebsd-stable@freebsd.org X-Mailman-Version: 2.1.14 Precedence: list List-Id: Production branch of FreeBSD source code List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Thu, 18 Jul 2013 19:33:22 -0000 On 18 Jul 2013, at 20:31, Charles Swiger wrote: > Hi-- >=20 > On Jul 18, 2013, at 12:13 PM, Dr Josef Karthauser = wrote: >> On 18 Jul 2013, at 13:07, Andrea Venturoli wrote: >>=20 >>> Perhaps they are WD Green drives? >>=20 >> They're WD RE2-GP 1 TB drives (model WD1000FYPS) , not sure if that's = green or not. >=20 > Yes, those are WDC's Green drives, although they are also the higher = grade version as compared to standard desktop drives which are supposed = to have firmware which plays nice with RAID (TLER, time-limited error = recovery). >=20 > Updating the firmware and increasing the timeout before these spin = down automagically is likely to help, but as Andrea noted, such drives = do have quite a history of timeout problems due to excessive head = parking and their power conservation attempts. We also wondered whether it was the motherboard, and so we've replaced = it! Hope that that works! But, from what's being said here, it looks like that might not be the = case. :/ Although, we've been up for 5 days now with no recurrences of = the previous issue. Joe=