From owner-freebsd-questions@FreeBSD.ORG Thu Jan 19 00:10:05 2012 Return-Path: Delivered-To: questions@freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:4f8:fff6::34]) by hub.freebsd.org (Postfix) with ESMTP id AF5E51065672 for ; Thu, 19 Jan 2012 00:10:05 +0000 (UTC) (envelope-from dalescott@shaw.ca) Received: from idcmail-mo2no.shaw.ca (idcmail-mo2no.shaw.ca [64.59.134.9]) by mx1.freebsd.org (Postfix) with ESMTP id 67F538FC1A for ; Thu, 19 Jan 2012 00:10:05 +0000 (UTC) Received: from lb7f8hsrpno-svcs.dcs.int.inet (HELO pd6mr2no-ssvc.prod.shaw.ca) ([10.0.144.222]) by pd7mo1no-svcs.prod.shaw.ca with ESMTP; 18 Jan 2012 16:42:10 -0700 X-Cloudmark-SP-Filtered: true X-Cloudmark-SP-Result: v=1.1 cv=whARqjmnQfDhNN8nJT0JqfaEYeaAvLwFWD1LCm6NKA4= c=1 sm=1 a=QyCaJaNELDMA:10 a=BLceEmwcHowA:10 a=5mcg790sAAAA:8 a=3XywnDCcriAS5iGZ7qsA:9 a=CjuIK1q_8ugA:10 a=CJr9ZoQ1MGSv6hhU:21 a=DXQshEZ8A1hhYnUF:21 a=rD2wI40ZMLrO78tBie0A:9 a=HpAAvcLHHh0Zw7uRqdWCyQ==:117 Received: from unknown (HELO ms013no.no.cg.dcs.int.inet) ([10.0.144.222]) by pd6mr2no-svcs.prod.shaw.ca with ESMTP; 18 Jan 2012 16:42:10 -0700 Received: from shaw.ca ([unknown] [10.0.145.159]) by l-daemon (Sun Java(tm) System Messaging Server 7.3-11.01 64bit (built Sep 1 2009)) with ESMTP id <0LY0005XOPUA2VA0@l-daemon> for questions@freebsd.org; Wed, 18 Jan 2012 16:42:10 -0700 (MST) Received: from [10.0.144.234] (Forwarded-For: [10.0.146.234]) by vms024.prod.shaw.ca (mshttpd); Wed, 18 Jan 2012 16:42:10 -0700 From: Dale Scott To: questions@freebsd.org Message-id: Date: Wed, 18 Jan 2012 16:42:10 -0700 X-Mailer: Sun Java(tm) System Messenger Express 7.3-11.01 64bit (built Sep 1 2009) MIME-version: 1.0 Content-language: en X-Accept-Language: en Priority: normal Content-Type: text/plain; charset=us-ascii Content-Transfer-Encoding: 7bit Content-Disposition: inline X-Content-Filtered-By: Mailman/MimeDel 2.1.5 Cc: Subject: non-responsive FreeBSD-9.0 after dump command X-BeenThere: freebsd-questions@freebsd.org X-Mailman-Version: 2.1.5 Precedence: list List-Id: User questions List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Thu, 19 Jan 2012 00:10:05 -0000 I'm getting a non-responsive system after issuing dump on a relatively fresh install of FreeBSD-9.0-RELEASE. The system is a VirtualBox 4.1.2 vm, with a 20GB GPT system drive and a 20GB MBR backup drive. Since it was created, the ports tree has been updated and apache22, mysql55-server and python/django installed (and a number of minor utilities). Everything seems to work ok, except for dump: # mount /dev/ada0p2 on / (ufs, local, journaled soft-updates) devfs on /dev (devfs, local, multilabel) /dev/ad1as1d on /backup (ufs, local, soft-updates) # # cd /backup # dump -0aLf 20120118.dump / There is no output after hitting , and afterwards the system is generally unresponsive. A command (e.g., whoami) typed into the VirtualBox server console and an ssh terminal is echo'd, but that's all. I had started "top" in a seperate ssh terminal before issuing the dump command, and it shows mksnap_ffs running with 98%-100% WCPU for about 55 minutes, at which point "top" stops updating. I gave up after 70 minutes and yanked the virtual power cord. I then created a new FBSD-9.0 VM (system install from dvd only, and also create/fdisk/label/mount a new virtual backup drive). On this vm, dump works as expected! I moved the virtual backup drive from new to old, and also re-partitioned/re-labled the backup drive on the problem system, but no effect. FWIW, fdisk reports that on both system disks (non-working and working), the chunks do not start on track boundaries (I used "auto" installing the systems). Does any of this make any sense to anyone? Any ideas on how to correct the situation? I don't mind re-configure the new vm like the old, but not knowing what went wrong concerns me (and if it's just going to happen again). My basic intent is to get version 2 of a live server working first as a vm, then restore a dump onto real hardware. Thanks in advance for any and all assistance, Dale ----- Transparency with Trust http://www.dalescott.net