rpm -qa | grep 'virtinst\|libvirt'
libvirt-0.8.2-29.el5_9.1
libvirt-python-0.8.2-29.el5_9.1
python-virtinst-0.400.3-13.el5
…

which virt-clone
/usr/bin/virt-clone

yum install virtinst libvirt -y

xm list

xm shutdown linux-node1

# virsh -c xen:///
Welcome to virsh, the virtualization interactive terminal.
Type: 'help' for help with commands
'quit' to quit
virsh # shutdown linux-node1
Domain linux-node1 is being shutdown
virsh # quit

lvcreate -n linux-node2 -L 40G vg_fzxen1
lvdsipaly

root@fz-xen1[10:21:25]:~$virt-clone --connect xen:/// --prompt
What is the name of the original virtual machine?
linux-node1
What is the name for the cloned virtual machine?
linux-node2
What would you like to use as the cloned disk (file path) for '/dev/vg_fzxen1/linux-node1'?
/dev/vg_fzxen1/linux-node2
…
Clone 'linux-node2' created successfully.

virt-clone --original linux-node1 --name linux-node2 --file /dev/vg_fzxen1/linux-node2

xm start linux-node2

xm console linux-node2

ifconfig -a | grep HWaddr
eth0   Link encap:Ethernet HWaddr 00:16:3E:0F:07:2A

/etc/init.d/network restart

xm list
xm uptime

xm top

xm info

xm log

xm --help | less