Issue

• Virt-Manager does not show destination volume when cloning Guest with DIsk from SCSI Pool.
• Trying to clone guest with disk from SCSI Pool fails with the following traceback:

Traceback (most recent call last):
  File "/usr/share/virt-manager/virtManager/engine.py", line 931, in _do_show_clone
    clone_window.show(src.topwin)
  File "/usr/share/virt-manager/virtManager/clone.py", line 171, in show
    self.reset_state()
  File "/usr/share/virt-manager/virtManager/clone.py", line 243, in reset_state
    self.populate_storage_lists()
  File "/usr/share/virt-manager/virtManager/clone.py", line 578, in populate_storage_lists
    self.clone_design.clone_paths = new_disks
  File "/usr/share/virt-manager/virtinst/cloner.py", line 151, in set_clone_paths
    (path, str(e)))
ValueError: Could not use path '/dev/disk/by-path/virtio-pci-0000:00:0a.0-scsi-0:0:0:0-clone' for cloning: There is not enough free space on the storage pool to create the volume. (0 M requested allocation > 0 M available)