On 03/10/2014 07:09 PM, Qiang Fu wrote: > Hi, > > In the output of "virsh dumpxml" command the disk section is as follows: > > <disk type='network' device='disk'> > <driver name='qemu' type='raw' cache='writeback'/> > <auth username='svl-cc1-cinder-user'> > <secret type='ceph' uuid='e80afa94-a64c-486c-9e34-d55e85f26406'/> > </auth> > <source protocol='rbd' > name='svl-cc1-cinder-volume-1/volume-0a4cdeab-863d-4394-845f-008b993bc4e9'> > <host name='10.34.114.211' port='6789'/> > <host name='10.34.114.212' port='6789'/> > <host name='10.34.114.213' port='6789'/> > </source> > <target dev='vda' bus='virtio'/> > <serial>0a4cdeab-863d-4394-845f-008b993bc4e9</serial> > <alias name='virtio-disk0'/> > <address type='pci' domain='0x0000' bus='0x00' slot='0x04' > function='0x0'/> > </disk> > > In this case how can I use libvirt to get the disk/volume size information? Have you tried 'virsh vol-dumpxml $vol', for an appropriate choice of $vol? It may require creating an rbd storage pool first. There's also 'virsh domblkinfo $dom vda', for obtaining information about the vda disk associated with $dom. -- Eric Blake eblake redhat com +1-919-301-3266 Libvirt virtualization library http://libvirt.org
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