From owner-freebsd-stable@FreeBSD.ORG Fri Aug 13 11:54:23 2010 Return-Path: Delivered-To: freebsd-stable@freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:4f8:fff6::34]) by hub.freebsd.org (Postfix) with ESMTP id 4B4BD1065673 for ; Fri, 13 Aug 2010 11:54:23 +0000 (UTC) (envelope-from bsam@ipt.ru) Received: from services.ipt.ru (services.ipt.ru [194.62.233.110]) by mx1.freebsd.org (Postfix) with ESMTP id 074548FC1E for ; Fri, 13 Aug 2010 11:54:22 +0000 (UTC) Received: from bb.ipt.ru ([194.62.233.89]) by services.ipt.ru with esmtp (Exim 4.54 (FreeBSD)) id 1Ojsq6-00047a-3b; Fri, 13 Aug 2010 15:54:22 +0400 From: Boris Samorodov To: "Alex V. Petrov" References: <201008042008.25679.alexvpetrov@gmail.com> <201008051409.57751.alexvpetrov@gmail.com> <20100805061959.GA92106@icarus.home.lan> <201008051849.15250.alexvpetrov@gmail.com> Date: Fri, 13 Aug 2010 15:54:21 +0400 In-Reply-To: <201008051849.15250.alexvpetrov@gmail.com> (Alex V. Petrov's message of "Thu, 5 Aug 2010 18:49:14 +0800") Message-ID: <61549586@bb.ipt.ru> User-Agent: Gnus/5.13 (Gnus v5.13) Emacs/23.1 (berkeley-unix) MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Cc: freebsd-stable@freebsd.org Subject: Re: zpool - low speed write X-BeenThere: freebsd-stable@freebsd.org X-Mailman-Version: 2.1.5 Precedence: list List-Id: Production branch of FreeBSD source code List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Fri, 13 Aug 2010 11:54:23 -0000 Hi! I'm not sure if the problem was solved, so... On Thu, 5 Aug 2010 18:49:14 +0800 Alex V. Petrov wrote: > smartctl -a /dev/ad8 > Device Model: WDC WD10EADS-00M2B0 > Firmware Version: 01.00A01 > 193 Load_Cycle_Count 0x0032 184 184 000 Old_age Always > - 49237 > smartctl -a /dev/ad10 > Device Model: WDC WD10EADS-00L5B1 > Firmware Version: 01.01A01 > 193 Load_Cycle_Count 0x0032 200 200 000 Old_age Always > - 24 > smartctl -a /dev/ad12 > Device Model: WDC WD10EADS-00M2B0 > Firmware Version: 01.00A01 > 193 Load_Cycle_Count 0x0032 200 200 000 Old_age Always > - 91 >From the above info I'd say that you may try to play with load cycles (set a bigger delay, etc.) with /dev/ad8. -- WBR, Boris Samorodov (bsam) Research Engineer, http://www.ipt.ru Telephone & Internet SP FreeBSD Committer, http://www.FreeBSD.org The Power To Serve