On an updated centos6 machine with no libvirt-Software installed and with no GUI, install the packages qemu-kvm libvirt and python-virtinst.<br />
Reboot the machine or start the needed daemons (libvirtd, ...)<br />
Login and start virsh<br />
Now using virsh try do create an harddisk-image for a new virtual machine:<br />
virsh # vol-create-as default moodle01.qcow2 10G --format qcow2<br />
you will get the error message:<br />
error: failed to get pool 'default'<br />
error: Storage pool no found: no pool with matching name 'default'
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