From owner-freebsd-stable@FreeBSD.ORG Mon Jun 3 22:45:50 2013 Return-Path: Delivered-To: freebsd-stable@freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:1900:2254:206a::19:1]) by hub.freebsd.org (Postfix) with ESMTP id 20811DE for ; Mon, 3 Jun 2013 22:45:50 +0000 (UTC) (envelope-from jdc@koitsu.org) Received: from relay5-d.mail.gandi.net (relay5-d.mail.gandi.net [217.70.183.197]) by mx1.freebsd.org (Postfix) with ESMTP id D0AC51C8E for ; Mon, 3 Jun 2013 22:45:49 +0000 (UTC) Received: from mfilter27-d.gandi.net (mfilter27-d.gandi.net [217.70.178.155]) by relay5-d.mail.gandi.net (Postfix) with ESMTP id ED88441C064; Tue, 4 Jun 2013 00:45:37 +0200 (CEST) X-Virus-Scanned: Debian amavisd-new at mfilter27-d.gandi.net Received: from relay5-d.mail.gandi.net ([217.70.183.197]) by mfilter27-d.gandi.net (mfilter27-d.gandi.net [10.0.15.180]) (amavisd-new, port 10024) with ESMTP id mn8QIyvBdXcR; Tue, 4 Jun 2013 00:45:36 +0200 (CEST) X-Originating-IP: 67.180.84.87 Received: from jdc.koitsu.org (c-67-180-84-87.hsd1.ca.comcast.net [67.180.84.87]) (Authenticated sender: jdc@koitsu.org) by relay5-d.mail.gandi.net (Postfix) with ESMTPSA id 0E24741C062; Tue, 4 Jun 2013 00:45:35 +0200 (CEST) Received: by icarus.home.lan (Postfix, from userid 1000) id 1813373A1C; Mon, 3 Jun 2013 15:45:34 -0700 (PDT) Date: Mon, 3 Jun 2013 15:45:34 -0700 From: Jeremy Chadwick To: Ross Alexander Subject: Re: 9.1-current disk throughput stalls ? Message-ID: <20130603224534.GA52022@icarus.home.lan> References: <20130603203146.GB49602@icarus.home.lan> <20130603223425.GA51402@icarus.home.lan> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20130603223425.GA51402@icarus.home.lan> User-Agent: Mutt/1.5.21 (2010-09-15) Cc: freebsd-stable@freebsd.org 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: Mon, 03 Jun 2013 22:45:50 -0000 On Mon, Jun 03, 2013 at 03:34:26PM -0700, Jeremy Chadwick wrote: > 7. ZFS setup is a mirror (RAID-1-like), Should have referenced [2]. > 12. Rolling back to 8.4-STABLE (date/build unknown) apparently fixes > your issue (I would appreciate you running the system for 72 hours > before making this statement, and doing the *exact same things* on it > that cause the problem with 9.1-STABLE) [2] I should have used the word "exacerbate" instead of "cause". > v) I really wish you would not have rolled this system back to > 8.4-STABLE. For anyone to debug this, we need the system in a > consistent state. Changing kernels/etc. User error while using vim (I have an awful tendency to nuke entire lines when switching between input mode vs. navigation mode); last line should read "Changing kernels/etc. in the middle of troubleshooting a problem you ask for assistance with makes things very difficult". (And I say that knowing that rolling back as a form of testing is good, since it can help narrow things down to a specific version or release, i.e. a software problem). -- | Jeremy Chadwick jdc@koitsu.org | | UNIX Systems Administrator http://jdc.koitsu.org/ | | Making life hard for others since 1977. PGP 4BD6C0CB |