Hi, ALL, I just find the page on git: https://github.com/qemu/qemu/blob/master/docs/live-block-ops.txt This metion “Live block copy”, so Live Block Copy is the feature of live-block-ops. And what about the live-block-migration ? Best Regards, Star Guo 发件人: Star Guo [mailto:starg@ceph.me] 发送时间: 2014年12月10日 18:17 收件人: 'libvirt-users(a)redhat.com' 抄送: 'libvir-list(a)redhat.com' 主题: How to use blockcopy in libvirt-java Hi, ALL, I just look for the class and method to use blockcopy in libvirt-java on this page: http://libvirt.org/sources/java/javadoc/ However, I can not find out. Libvirt-java Support blockcopy ? Thanks. Best Regards, Star Guo