Public bug reported: I would expect installing libvirt-bin to make the host ready to run virtual machines, however it seems the maintainer scripts don't create the "default" storage pool. Here's a transcript that shows the pool is not defined on a clean install, and how 3 commands define and start it. This was run on a fresh Ubuntu Cloud Image precise release 20120424 virtual machine.
[0 tv@dreamer ~]$ ssh ubuntu@192.168.122.221 Welcome to Ubuntu 12.04 LTS (GNU/Linux 3.2.0-23-virtual x86_64) * Documentation: https://help.ubuntu.com/ System information as of Thu Jun 28 17:52:26 UTC 2012 System load: 0.09 Processes: 66 Usage of /: 6.6% of 9.85GB Users logged in: 1 Memory usage: 9% IP address for eth0: 192.168.122.221 Swap usage: 0% Graph this data and manage this system at https://landscape.canonical.com/ 0 packages can be updated. 0 updates are security updates. Get cloud support with Ubuntu Advantage Cloud Guest http://www.ubuntu.com/business/services/cloud Last login: Thu Jun 28 17:51:32 2012 To run a command as administrator (user "root"), use "sudo <command>". See "man sudo_root" for details. ubuntu@tv-bug:~$ dpkg -l libvirt No packages found matching libvirt. ubuntu@tv-bug:~$ sudo apt-get install libvirt-bin sudo: unable to resolve host tv-bug Reading package lists... Done Building dependency tree Reading state information... Done The following extra packages will be installed: bridge-utils cgroup-lite dnsmasq-base ebtables gawk libapparmor1 libavahi-client3 libavahi-common-data libavahi-common3 libnetfilter-conntrack3 libnuma1 libsigsegv2 libvirt0 libxenstore3.0 libxml2-utils libyajl1 Suggested packages: policykit-1 qemu-kvm qemu radvd lvm2 The following NEW packages will be installed: bridge-utils cgroup-lite dnsmasq-base ebtables gawk libapparmor1 libavahi-client3 libavahi-common-data libavahi-common3 libnetfilter-conntrack3 libnuma1 libsigsegv2 libvirt-bin libvirt0 libxenstore3.0 libxml2-utils libyajl1 0 upgraded, 17 newly installed, 0 to remove and 0 not upgraded. Need to get 3,144 kB of archives. After this operation, 10.6 MB of additional disk space will be used. Do you want to continue [Y/n]? Get:1 http://archive.ubuntu.com/ubuntu/ precise/main bridge-utils amd64 1.5-2ubuntu6 [31.4 kB] Get:2 http://archive.ubuntu.com/ubuntu/ precise/main libsigsegv2 amd64 2.9-4ubuntu2 [14.6 kB] Get:3 http://archive.ubuntu.com/ubuntu/ precise/main gawk amd64 1:3.1.8+dfsg-0.1ubuntu1 [465 kB] Get:4 http://archive.ubuntu.com/ubuntu/ precise/main libavahi-common-data amd64 0.6.30-5ubuntu2 [22.2 kB] Get:5 http://archive.ubuntu.com/ubuntu/ precise/main libavahi-common3 amd64 0.6.30-5ubuntu2 [25.5 kB] Get:6 http://archive.ubuntu.com/ubuntu/ precise/main libavahi-client3 amd64 0.6.30-5ubuntu2 [30.3 kB] Get:7 http://archive.ubuntu.com/ubuntu/ precise/main libyajl1 amd64 1.0.12-2 [17.5 kB] Get:8 http://archive.ubuntu.com/ubuntu/ precise/main libnetfilter-conntrack3 amd64 0.9.1-1ubuntu1 [34.4 kB] Get:9 http://archive.ubuntu.com/ubuntu/ precise/main dnsmasq-base amd64 2.59-4 [212 kB] Get:10 http://archive.ubuntu.com/ubuntu/ precise/main ebtables amd64 2.0.9.2-2ubuntu2 [89.3 kB] Get:11 http://archive.ubuntu.com/ubuntu/ precise/main libapparmor1 amd64 2.7.102-0ubuntu3 [38.1 kB] Get:12 http://archive.ubuntu.com/ubuntu/ precise/main libnuma1 amd64 2.0.8~rc3-1 [23.1 kB] Get:13 http://archive.ubuntu.com/ubuntu/ precise/main libxenstore3.0 amd64 4.1.2-2ubuntu2 [18.4 kB] Get:14 http://archive.ubuntu.com/ubuntu/ precise/main libvirt0 amd64 0.9.8-2ubuntu17 [871 kB] Get:15 http://archive.ubuntu.com/ubuntu/ precise/main cgroup-lite all 1.1 [3,490 B] Get:16 http://archive.ubuntu.com/ubuntu/ precise/main libvirt-bin amd64 0.9.8-2ubuntu17 [1,207 kB] Get:17 http://archive.ubuntu.com/ubuntu/ precise/main libxml2-utils amd64 2.7.8.dfsg-5.1ubuntu4 [39.9 kB] Fetched 3,144 kB in 6s (492 kB/s) Selecting previously unselected package bridge-utils. (Reading database ... 25367 files and directories currently installed.) Unpacking bridge-utils (from .../bridge-utils_1.5-2ubuntu6_amd64.deb) ... Selecting previously unselected package libsigsegv2. Unpacking libsigsegv2 (from .../libsigsegv2_2.9-4ubuntu2_amd64.deb) ... Processing triggers for initramfs-tools ... update-initramfs: Generating /boot/initrd.img-3.2.0-23-virtual Processing triggers for man-db ... Setting up libsigsegv2 (2.9-4ubuntu2) ... Processing triggers for libc-bin ... ldconfig deferred processing now taking place Selecting previously unselected package gawk. (Reading database ... 25400 files and directories currently installed.) Unpacking gawk (from .../gawk_1%3a3.1.8+dfsg-0.1ubuntu1_amd64.deb) ... Selecting previously unselected package libavahi-common-data. Unpacking libavahi-common-data (from .../libavahi-common-data_0.6.30-5ubuntu2_amd64.deb) ... Selecting previously unselected package libavahi-common3. Unpacking libavahi-common3 (from .../libavahi-common3_0.6.30-5ubuntu2_amd64.deb) ... Selecting previously unselected package libavahi-client3. Unpacking libavahi-client3 (from .../libavahi-client3_0.6.30-5ubuntu2_amd64.deb) ... Selecting previously unselected package libyajl1. Unpacking libyajl1 (from .../libyajl1_1.0.12-2_amd64.deb) ... Selecting previously unselected package libnetfilter-conntrack3. Unpacking libnetfilter-conntrack3 (from .../libnetfilter-conntrack3_0.9.1-1ubuntu1_amd64.deb) ... Selecting previously unselected package dnsmasq-base. Unpacking dnsmasq-base (from .../dnsmasq-base_2.59-4_amd64.deb) ... Selecting previously unselected package ebtables. Unpacking ebtables (from .../ebtables_2.0.9.2-2ubuntu2_amd64.deb) ... Selecting previously unselected package libapparmor1. Unpacking libapparmor1 (from .../libapparmor1_2.7.102-0ubuntu3_amd64.deb) ... Selecting previously unselected package libnuma1. Unpacking libnuma1 (from .../libnuma1_2.0.8~rc3-1_amd64.deb) ... Selecting previously unselected package libxenstore3.0. Unpacking libxenstore3.0 (from .../libxenstore3.0_4.1.2-2ubuntu2_amd64.deb) ... Selecting previously unselected package libvirt0. Unpacking libvirt0 (from .../libvirt0_0.9.8-2ubuntu17_amd64.deb) ... Selecting previously unselected package cgroup-lite. Unpacking cgroup-lite (from .../cgroup-lite_1.1_all.deb) ... Selecting previously unselected package libvirt-bin. Unpacking libvirt-bin (from .../libvirt-bin_0.9.8-2ubuntu17_amd64.deb) ... Selecting previously unselected package libxml2-utils. Unpacking libxml2-utils (from .../libxml2-utils_2.7.8.dfsg-5.1ubuntu4_amd64.deb) ... Processing triggers for man-db ... Processing triggers for ureadahead ... Setting up bridge-utils (1.5-2ubuntu6) ... Setting up gawk (1:3.1.8+dfsg-0.1ubuntu1) ... Setting up libavahi-common-data (0.6.30-5ubuntu2) ... Setting up libavahi-common3 (0.6.30-5ubuntu2) ... Setting up libavahi-client3 (0.6.30-5ubuntu2) ... Setting up libyajl1 (1.0.12-2) ... Setting up libnetfilter-conntrack3 (0.9.1-1ubuntu1) ... Setting up dnsmasq-base (2.59-4) ... Setting up ebtables (2.0.9.2-2ubuntu2) ... Setting up libapparmor1 (2.7.102-0ubuntu3) ... Setting up libnuma1 (2.0.8~rc3-1) ... Setting up libxenstore3.0 (4.1.2-2ubuntu2) ... Setting up libvirt0 (0.9.8-2ubuntu17) ... Setting up cgroup-lite (1.1) ... cgroup-lite start/running Setting up libvirt-bin (0.9.8-2ubuntu17) ... Adding group `libvirtd' (GID 112) ... Done. libvirt-bin start/running, process 4605 Setting up libxml2-utils (2.7.8.dfsg-5.1ubuntu4) ... Processing triggers for libc-bin ... ldconfig deferred processing now taking place ubuntu@tv-bug:~$ dpkg -l libvirt-bin Desired=Unknown/Install/Remove/Purge/Hold | Status=Not/Inst/Conf-files/Unpacked/halF-conf/Half-inst/trig-aWait/Trig-pend |/ Err?=(none)/Reinst-required (Status,Err: uppercase=bad) ||/ Name Version Description +++-===========================-===========================-====================================================================== ii libvirt-bin 0.9.8-2ubuntu17 programs for the libvirt library ubuntu@tv-bug:~$ # get the group membership ubuntu@tv-bug:~$ logout [0 tv@dreamer ~]$ ssh ubuntu@192.168.122.221 Welcome to Ubuntu 12.04 LTS (GNU/Linux 3.2.0-23-virtual x86_64) * Documentation: https://help.ubuntu.com/ System information as of Thu Jun 28 17:53:12 UTC 2012 System load: 0.35 Processes: 65 Usage of /: 6.7% of 9.85GB Users logged in: 1 Memory usage: 21% IP address for eth0: 192.168.122.221 Swap usage: 0% Graph this data and manage this system at https://landscape.canonical.com/ Get cloud support with Ubuntu Advantage Cloud Guest http://www.ubuntu.com/business/services/cloud Last login: Thu Jun 28 17:52:26 2012 from 192.168.122.1 ubuntu@tv-bug:~$ virsh uri qemu:///system ubuntu@tv-bug:~$ virsh pool-list --all Name State Autostart ----------------------------------------- ubuntu@tv-bug:~$ virsh pool-define-as --name default dir --target /var/lib/libvirt/images Pool default defined ubuntu@tv-bug:~$ virsh pool-autostart default Pool default marked as autostarted ubuntu@tv-bug:~$ virsh pool-start default Pool default started ubuntu@tv-bug:~$ virsh pool-list --all Name State Autostart ----------------------------------------- default active yes ubuntu@tv-bug:~$ logout [0 tv@dreamer ~]$ ** Affects: libvirt (Ubuntu) Importance: Undecided Status: New -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1018956 Title: libvirt does not set up default storage pool automatically To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/libvirt/+bug/1018956/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
