[root@xen1 xen]# while [ x`xm list | grep -o terminus` == x ]; do xm create terminus; done Using config file "terminus". Error: Device 2049 (vbd) could not be connected. Backend device not found. Using config file "terminus". Error: Device 2050 (vbd) could not be connected. Backend device not found. Using config file "terminus". Error: Device 2050 (vbd) could not be connected. Backend device not found. Using config file "terminus". Error: Device 2049 (vbd) could not be connected. Backend device not found. Using config file "terminus". Error: Device 2050 (vbd) could not be connected. Backend device not found. Using config file "terminus". Error: Device 2050 (vbd) could not be connected. Backend device not found. Using config file "terminus". Error: Device 2050 (vbd) could not be connected. Backend device not found. Using config file "terminus". Error: Device 2049 (vbd) could not be connected. Backend device not found. Using config file "terminus". Error: Device 2050 (vbd) could not be connected. Backend device not found. Using config file "terminus". Error: Device 2050 (vbd) could not be connected. Backend device not found. Using config file "terminus". Error: Device 2049 (vbd) could not be connected. Backend device not found. Using config file "terminus". Error: Device 2050 (vbd) could not be connected. Backend device not found. Using config file "terminus". Error: Device 2050 (vbd) could not be connected. Backend device not found. Using config file "terminus". Error: Device 2050 (vbd) could not be connected. Backend device not found. Using config file "terminus". Error: Device 2050 (vbd) could not be connected. Backend device not found. Using config file "terminus". Error: Device 2050 (vbd) could not be connected. Backend device not found. Using config file "terminus". Error: Device 2049 (vbd) could not be connected. Backend device not found. Using config file "terminus". Error: Device 2050 (vbd) could not be connected. Backend device not found. Using config file "terminus". Started domain terminus