From owner-freebsd-fs@FreeBSD.ORG Tue Jul 31 13:41:32 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 9BF8F106566B for ; Tue, 31 Jul 2012 13:41:32 +0000 (UTC) (envelope-from bfriesen@simple.dallas.tx.us) Received: from blade.simplesystems.org (blade.simplesystems.org [65.66.246.74]) by mx1.freebsd.org (Postfix) with ESMTP id 5A3738FC16 for ; Tue, 31 Jul 2012 13:41:32 +0000 (UTC) Received: from freddy.simplesystems.org (freddy.simplesystems.org [65.66.246.65]) by blade.simplesystems.org (8.14.4+Sun/8.14.4) with ESMTP id q6VDXxMZ009170; Tue, 31 Jul 2012 08:33:59 -0500 (CDT) Date: Tue, 31 Jul 2012 08:33:59 -0500 (CDT) From: Bob Friesenhahn X-X-Sender: bfriesen@freddy.simplesystems.org To: =?ISO-8859-15?Q?Karli_Sj=F6berg?= In-Reply-To: Message-ID: References: User-Agent: Alpine 2.01 (GSO 1266 2009-07-14) MIME-Version: 1.0 Content-Type: MULTIPART/MIXED; BOUNDARY="-559023410-424528793-1343741639=:27589" X-Greylist: Sender IP whitelisted, not delayed by milter-greylist-4.2.2 (blade.simplesystems.org [65.66.246.90]); Tue, 31 Jul 2012 08:33:59 -0500 (CDT) Cc: "freebsd-fs@freebsd.org" Subject: Re: Hang when importing pool 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: Tue, 31 Jul 2012 13:41:32 -0000 This message is in MIME format. The first part should be readable text, while the remaining parts are likely unreadable without MIME-aware tools. ---559023410-424528793-1343741639=:27589 Content-Type: TEXT/PLAIN; charset=iso-8859-1; format=flowed Content-Transfer-Encoding: 8BIT On Tue, 31 Jul 2012, Karli Sjöberg wrote: > Hi, > > I´m really struggling with this. I have had a pool with imported > filesystems from a Solaris system that had dedup activated. Then, > when the time came to erase them, it just stalled. When rebooting, > it stalled again at mounting filesystems, and since then, I´ve > installed two USB drives to act as root pool with > FreeBSD-9.0-RELEASE so that I could import the original pool in > recovery, but it always stalls after a couple of hours. Looking at > top, I could see that the 16GB RAM was maxed out, so I have heavily > tuned down kmem, arc, etc: I think that you will need to find some way to temporarily add a dedicated L2ARC device (preferably an SSD or maybe iSCSI to a LUN on a machine with huge memory) or to find a machine with a lot more RAM. Bob -- Bob Friesenhahn bfriesen@simple.dallas.tx.us, http://www.simplesystems.org/users/bfriesen/ GraphicsMagick Maintainer, http://www.GraphicsMagick.org/ ---559023410-424528793-1343741639=:27589--