From owner-freebsd-stable@FreeBSD.ORG Wed Jan 27 02:38:09 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 63634106566B for ; Wed, 27 Jan 2010 02:38:09 +0000 (UTC) (envelope-from aw1@swelter.hanley.stade.co.uk) Received: from v-smtp-auth-relay-3.gradwell.net (v-smtp-auth-relay-3.gradwell.net [79.135.125.42]) by mx1.freebsd.org (Postfix) with ESMTP id C24C38FC15 for ; Wed, 27 Jan 2010 02:38:07 +0000 (UTC) Received: from 93-97-22-18.zone5.bethere.co.uk ([93.97.22.18] helo=swelter.hanley.stade.co.uk country=GB ident=postmaster$pop3*stade#co^uk) by v-smtp-auth-relay-3.gradwell.net with esmtpa (Gradwell gwh-smtpd 1.290) id 4b5fa70e.26ef.14 for freebsd-stable@freebsd.org; Wed, 27 Jan 2010 02:38:06 +0000 (envelope-sender ) Received: from swelter.hanley.stade.co.uk (localhost [127.0.0.1]) by swelter.hanley.stade.co.uk (8.14.3/8.14.3) with ESMTP id o0R2c5rO015018 for ; Wed, 27 Jan 2010 02:38:05 GMT (envelope-from aw1@swelter.hanley.stade.co.uk) Received: (from aw1@localhost) by swelter.hanley.stade.co.uk (8.14.3/8.14.3/Submit) id o0R2c59c015017 for freebsd-stable@freebsd.org; Wed, 27 Jan 2010 02:38:05 GMT (envelope-from aw1) Date: Wed, 27 Jan 2010 02:38:05 +0000 From: Adrian Wontroba To: FreeBSD-STABLE Mailing List Message-ID: <20100127023805.GB13665@swelter.hanley.stade.co.uk> Mail-Followup-To: Adrian Wontroba , FreeBSD-STABLE Mailing List References: <20100127004905.GF9206@plebeian.afflictions.org> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20100127004905.GF9206@plebeian.afflictions.org> User-Agent: Mutt/1.4.2.3i X-Operating-System: FreeBSD 8.0-STABLE Organization: Oh dear, I've joined one again. X-Virus-Scanned: clamav-milter 0.95.3 at swelter.hanley.stade.co.uk X-Virus-Status: Clean 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 Reply-To: aw1@stade.co.uk List-Id: Production branch of FreeBSD source code List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Wed, 27 Jan 2010 02:38:09 -0000 On Tue, Jan 26, 2010 at 07:49:05PM -0500, Damian Gerow wrote: > Specific cases aside, writing to the FS is a workaround to a rather > inconvenient issue. I, too, would like to see if the problem is fixed, not > avoided, by using wdidle -- but I suspect I'll have to contact WD myself to > get that confirmation. A convenient workaround indeed. Much easier than running DOS (I assume) firmware twidding programs or firmware updates. As for wdidle - see the tail end of http://www.readynas.com/forum/viewtopic.php?f=24&t=32179. Sufficient customer complaints might produce a real firmware fix. One thing I'm sure of - the next time I buy a set of disks for my home fileserver, I'll spend some time on research rather than rushing to join the queue (8-( -- Adrian Wontroba I'd rather just believe that it's done by little elves running around.