[libvirt-users] storage-pools and volumes

hi, i am trying to create a domain using libvirt 0.9.4 python api and i can't find any information on how to use the libvirt python api with linux logical volumes http://libvirt.org/guide/html-single/#Application_Development_Guide-Devic... is TBD i figured out that i need to use defineXML to create a domain, however for the disk part in the xml, i am not sure if i need to create the LVM first, or just specify the LVM path and libvirt will create the lvm for me and stick the domain on the lvm     <disk type='block' device='disk'>       <driver name='qemu' type='raw' cache='none' io='native'/>       <source dev='/dev/vg001/myhost.blah.com'/>       <target dev='hda' bus='ide'/>     </disk> /usr/lib64/python2.6/site-packages/libvirt.py has:         ret = libvirtmod.virStorageVolCreateXML(self._o, xmldesc, flags)         if ret is None:raise libvirtError('virStorageVolCreateXML() failed', pool=self)         __tmp = virStorageVol(self, _obj=ret)         return __tmp however i don't know the xml format for storage vol thanks