[libvirt] Need help of guest lifecycle control

Hi, I have a question about guest lifecycle control, many content of element not works, i don't know if i use it in a wrong way. #virsh shutdown aaa <on_poweroff>destroy</on_poweroff> Domain aaa shut off and not power up again. -----> expect <on_poweroff>restart</on_poweroff> should power up again but not. -----> not expect <on_poweroff>preserve</on_poweroff> guest poweroff, nothing happend. ----> how to use it ? <on_poweroff>rename-restart</on_poweroff> guest poweroff, and should boot up again with newname? but it's only powered off. --->not expect ------------------------------------------------------------------------------------- #virsh reboot aaa <on_reboot>destroy</on_reboot> guest not boot up again. it works. <on_reboot>restart</on_reboot> guest boot up again. it works. <on_reboot>preserve</on_reboot> guest poweroff, nothing happend. -----> how to use it ? <on_reboot>rename-restart</on_reboot> guest poweroff, and should boot up again with newname. but it's only powered off. --->not expect -------------------------------------------------------------------------------------- <on_crash>xxxxxxx</on_crash> --->qemu not support this yet, right? https://bugzilla.redhat.com/show_bug.cgi?id=833530 zhpeng BR