From owner-freebsd-fs@FreeBSD.ORG Thu Mar 29 09:59:34 2012 Return-Path: Delivered-To: freebsd-fs@freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:4f8:fff6::34]) by hub.freebsd.org (Postfix) with ESMTP id 7A967106564A for ; Thu, 29 Mar 2012 09:59:34 +0000 (UTC) (envelope-from tdb@carrick.bishnet.net) Received: from carrick.bishnet.net (carrick.bishnet.net [IPv6:2a01:348:132:1::1]) by mx1.freebsd.org (Postfix) with ESMTP id 3481A8FC18 for ; Thu, 29 Mar 2012 09:59:34 +0000 (UTC) Received: from carrick-users.bishnet.net ([2a01:348:132:51::10]) by carrick.bishnet.net with esmtps (TLSv1:AES256-SHA:256) (Exim 4.76 (FreeBSD)) (envelope-from ) id 1SDC8k-000Pv6-Eb; Thu, 29 Mar 2012 10:59:34 +0100 Received: (from tdb@localhost) by carrick-users.bishnet.net (8.14.4/8.14.4/Submit) id q2T9xYCh099639; Thu, 29 Mar 2012 10:59:34 +0100 (BST) (envelope-from tdb) Date: Thu, 29 Mar 2012 10:59:34 +0100 From: Tim Bishop To: Johan Hendriks Message-ID: <20120329095934.GJ24787@carrick-users.bishnet.net> References: <20120327181457.GC24787@carrick-users.bishnet.net> <4F72ECFC.4040902@gmail.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <4F72ECFC.4040902@gmail.com> X-PGP-Key: 0x5AE7D984, http://www.bishnet.net/tim/tim-bishnet-net.asc X-PGP-Fingerprint: 1453 086E 9376 1A50 ECF6 AE05 7DCE D659 5AE7 D984 User-Agent: Mutt/1.5.21 (2010-09-15) Cc: freebsd-fs@freebsd.org Subject: Re: ZFS: processes hanging when trying to access filesystems X-BeenThere: freebsd-fs@freebsd.org X-Mailman-Version: 2.1.5 Precedence: list List-Id: Filesystems List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Thu, 29 Mar 2012 09:59:34 -0000 On Wed, Mar 28, 2012 at 12:50:36PM +0200, Johan Hendriks wrote: > At the topic starter, how do you get the graphs for the arc data? I'm using munin. Master is on another machine so it doesn't get directly affected by the zfs problems. Munin has a plugin that collects zfs stats using the zfs-stats script. I find it useful to correlate the behaviour I'm seeing with the status of the ARC and other system bits. Tim -- Tim Bishop http://www.bishnet.net/tim/ PGP Key: 0x5AE7D984