From owner-freebsd-stable@FreeBSD.ORG Wed Mar 10 11:35:23 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 3D605106564A for ; Wed, 10 Mar 2010 11:35:23 +0000 (UTC) (envelope-from roberto@keltia.net) Received: from keltia.net (unknown [IPv6:2a01:240:fe5c::41]) by mx1.freebsd.org (Postfix) with ESMTP id E87C18FC1D for ; Wed, 10 Mar 2010 11:35:22 +0000 (UTC) Received: from roberto-al.eurocontrol.fr (aran.keltia.net [88.191.250.24]) (using TLSv1 with cipher DHE-RSA-AES256-SHA (256/256 bits)) (No client certificate requested) (Authenticated sender: roberto) by keltia.net (Postfix/TLS) with ESMTPSA id 524726F3C for ; Wed, 10 Mar 2010 12:35:21 +0100 (CET) Date: Wed, 10 Mar 2010 12:35:16 +0100 From: Ollivier Robert To: freebsd-stable@freebsd.org Message-ID: <20100310113516.GA8848@roberto-al.eurocontrol.fr> References: <864468D4-DCE9-493B-9280-00E5FAB2A05C@lassitu.de> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <864468D4-DCE9-493B-9280-00E5FAB2A05C@lassitu.de> X-Operating-System: MacOS X / Macbook Pro - FreeBSD 7.2 / Dell D820 SMP User-Agent: Mutt/1.5.20 (2009-06-14) X-Greylist: Sender succeeded SMTP AUTH, not delayed by milter-greylist-4.2.3 (keltia.net); Wed, 10 Mar 2010 12:35:21 +0100 (CET) Subject: Re: Many processes stuck in zfs 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: Wed, 10 Mar 2010 11:35:23 -0000 According to Stefan Bethke: > The situation seems to be triggered by zfs receive'ing snapshots from the sister machine (both synchronize their active ZFS filesystems to each other, using zfs send and zfs receive). It appears it's the receiving causing trouble. Have you tuned kern.maxvnodes in /etc/sysctl.conf? When I move to this new machine, I forgot to get it much higher than the default (now I use 200000) and it was locking up pretty soon. Had not a single lockup now. -- Ollivier ROBERT -=- FreeBSD: The Power to Serve! -=- roberto@keltia.freenix.fr In memoriam to Ondine : http://ondine.keltia.net/