nova 云主机 evacuate 简单分析

原文链接：http://www.ishenping.com/ArtInfo/3318250.html

#故障节点compute=down

nova host-evacuate ostack245.bj1.net --target_host=ostack243.bj1.net --on-shared-storage

#故障节点compute=up

nova host-evacuate-live ostack243.bj1.net --target-host=ostack245.bj1.net