常见虚拟化技术虚拟化主要厂商及产品介绍：系列PC/服务器版代表VMwareVMwareworkstation、vSphereMicrosoftVirtualPC、Hyper-VRedHatKVM、RHEVcitrixXenoracleOracleVMVIrtualBox       虚拟化与云计算的关系：虚拟化：一种技术，顾名

问题描述：使用qemu-imgcreate-fqcow2-bcirros.qcow2vmhost.img20G创建虚拟机磁盘出现以下报错，报错内容：qemu-img:vmhost.img:BackingfilespecifiedwithoutbackingformatDetectedformatofqcow2.[root@ecsimages]#qemu-imgcreate-fqcow2-bcirros.qcow2vmho

 #在CentOS上安装powershell-lts-7.0.1-1.rhel.7.x86_64.rpm#然后将VMware-PowerCLI-12.4.1-18769701.zip解压后拷贝到/opt/microsoft/powershell/7-lts/Modules/目录下Connect-VIServer-Server$VMHost-username$UserName-Password$PassWord$VMHostObj=Get-VMHost