From owner-freebsd-stable@FreeBSD.ORG Tue Jan 19 14:20:55 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 E0253106566C for ; Tue, 19 Jan 2010 14:20:55 +0000 (UTC) (envelope-from emikulic@gmail.com) Received: from ipmail03.adl6.internode.on.net (ipmail03.adl6.internode.on.net [203.16.214.141]) by mx1.freebsd.org (Postfix) with ESMTP id 66B268FC0A for ; Tue, 19 Jan 2010 14:20:54 +0000 (UTC) X-IronPort-Anti-Spam-Filtered: true X-IronPort-Anti-Spam-Result: ApsEAMtLVUuWZZrw/2dsb2JhbACRZLdqhk6HAIQzBA Received: from ppp154-240.static.internode.on.net ([150.101.154.240]) by ipmail03.adl6.internode.on.net with ESMTP; 20 Jan 2010 00:50:53 +1030 Received: by ppp154-240.static.internode.on.net (Poo-fix, from userid 1001) id 8935B5C45; Wed, 20 Jan 2010 01:20:52 +1100 (EST) Date: Wed, 20 Jan 2010 01:20:52 +1100 From: Emil Mikulic To: freebsd-stable@freebsd.org Message-ID: <20100119142052.GA77230@dmr.ath.cx> References: <4B54C100.9080906@mail.zedat.fu-berlin.de> <4B54C5EE.5070305@pp.dyndns.biz> <201001191250.23625.doconnor@gsoft.com.au> <7346c5c61001181841j3653a7c3m32bc033c8c146a92@mail.gmail.com> <20100119091641.cc59f03f.gerrit@pmp.uni-hannover.de> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20100119091641.cc59f03f.gerrit@pmp.uni-hannover.de> User-Agent: Mutt/1.5.20 (2009-06-14) Subject: Re: immense delayed write to file system (ZFS and UFS2), performance issues 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: Tue, 19 Jan 2010 14:20:56 -0000 On Tue, Jan 19, 2010 at 09:16:41AM +0100, Gerrit K?hn wrote: > Thanks for bringing up this topic here. I have drives showing up close to > 800000 load cycle counts here. Guess it's time for that fix... :-| Device Model: WDC WD10EACS-00ZJB0 Firmware Version: 01.01B01 Serial Number: WD-WCASxxxxxxxx [...] 9 Power_On_Hours 17046 193 Load_Cycle_Count 1045512 The above drive is in a raidz of three. The other two drives from that batch have already failed. :( In another system: Device Model: WDC WD10EACS-00D6B0 Firmware Version: 01.01A01 Serial Number: WD-WCAUxxxxxxxx [...] 9 Power_On_Hours 13111 193 Load_Cycle_Count 7