说明1：vmware workstation镜像是vmdk格式
说明2：cloudstack配置文件目录：/run/libvirt/qemu/ kvm配置文件目录：/etc/libvirt/qemu
说明3：windows下格式转换方法
C:\Program Files (x86)\VMware\VMware Workstation>vmware-vdiskmanager.exe -r d:\centos7.4\CentOS.vmdk -t 0 temp.vmdk
一、在vmware workstation安装centos7.4系统
二、在系统安装目录找到vmdk文件，上传到linux系统
三、kvm文件转换
1，转化vmdk到qcow2
qemu-img convert -f vmdk -O qcow2 temp.vmdk CentOS72.qcow2
2，下载wget https://launchpadlibrarian.net/40519715/virt-goodies_0.4.tar.gz
3，配置文件转换，转vmx为xml，
./vmware2libvirt -f /opt/image/CentOS.vmx > /opt/image/CentOS.xml
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<domain type='kvm'>
<name>CentOS</name>
<uuid>c2fbe7d6-d8c5-44df-9001-1632ebde8e58</uuid>
<memory>1048576</memory>
<currentMemory>1048576</currentMemory>
<vcpu>1</vcpu>
<os>
<type arch='i686' machine='pc'>hvm</type> #改为<type arch='x86_64' machine='pc'>hvm</type>
<boot dev='hd'/>
</os>
<features>
<acpi/>
</features>
<clock offset='utc'/>
<on_poweroff>destroy</on_poweroff>
<on_reboot>restart</on_reboot>
<on_crash>destroy</on_crash>
<devices>
<emulator>/usr/bin/kvm</emulator>
<disk type='file' device='disk'>
<source file='/opt/image/CentOS.vmdk'/> #改为<source file='/opt/image/CentOS.qcow2'/>
<target dev='hda' />
</disk>
<interface type='network'>
<mac address='00:0c:29:2e:f9:2c'/>
<source network='default'/>
</interface>
<input type='mouse' bus='ps2'/>
<graphics type='vnc' port='-1' listen='127.0.0.1'/>
</devices>
</domain>
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4，安装所需包，并连接到/usr/bin目录下
yum install libvirt-devel.x86_64 libvirt.x86_64
ln -s /usr/libexec/qemu-kvm /usr/bin/kvm
5，启动kvm
virsh define Ubuntu.xml
6，启动virt-manager:Applications->System Tools->Virtual Machine Manager
7，如图更改配置文件
storage format:qcow2
四，利用cloudstack4.11直接转换
可以直接上传vmdk或vmdk转换后的qcow2镜像，跟磁盘控制器要选择ide
2，启动实例，选择刚才上传的模板
3，查看实例