Centos6.5系统安装kvm虚拟机之克隆、拷贝文件安装新虚拟机

通过模板虚拟机克隆新虚拟机

IP规划 宿主机：172.16.30.30
模板虚机：172.16.30.31
克隆虚机：172.16.30.32

1.关闭或者暂停模板虚拟机，再进行克隆安装新虚拟机

#virsh list --all  
 Id    Name                           State  
----------------------------------------------------  
 2     WMS-test-1                     running

#virsh shutdown WMS-test-1  
Domain WMS-test-1 is being shutdown

#virsh list --all  
 Id    Name                           State  
----------------------------------------------------  
 2     WMS-test-1                     running

• 注：shutdown命令不生效,虚机中需安装acpid

yum -y install acpid

宿主机安装acpid后执行命令
virsh # list --all
 Id    Name                           State
----------------------------------------------------
 2     WMS-test-1                     running

virsh # shutdown WMS-test-1
Domain WMS-test-1 is being shutdown

virsh # list --all
 Id    Name                           State
----------------------------------------------------
 -     WMS-test-1                     shut off

2. 通过virt-clone命令克隆虚拟机

virt-clone -o WMS-test-1 -n WMS-test-2 -f /data1/kvmdisk/WMS-test-2.img
Cloning WMS-test-1.img                                                                                       |  50 GB     04:30  

Clone 'WMS-test-2' created successfully.

-o 模板主机名称
-n 克隆主机名称
-f 镜像路径

3.手动更改xml配置文件中VNC端口，然后重启libvirtd服务

[root@mrxy-py kvmdisk]# /etc/init.d/libvirtd restart
Stopping libvirtd daemon:                                  [  OK  ]
Starting libvirtd daemon:                                  [  OK  ]
[root@mrxy-py kvmdisk]# more /etc/libvirt/qemu/WMS-test-2.xml |grep vnc
    <graphics type='vnc' port='7789' autoport='no' listen='0.0.0.0'>

4.启动新克隆成功的虚拟机

[root@mrxy-py kvmdisk]# virsh start WMS-test-2
Domain WMS-test-2 started

[root@mrxy-py kvmdisk]# virsh start WMS-test-1
error: Domain is already active

[root@mrxy-py kvmdisk]# virsh list --all
 Id    Name                           State
----------------------------------------------------
 1     WMS-test-1                     running
 2     WMS-test-2                     running

5.通过VNC客户端链接，配置eth0网卡

#更改MAC地址和UUID(可以随意更改，但是格式一致)
[root@wms-test-2 ~]# cat /etc/sysconfig/network-scripts/ifcfg-eth0 
DEVICE=eth0
MACADDR=52:54:00:B7:09:87
TYPE=Ethernet
UUID=2858167d-0b69-48c7-a810-1baee86b1d11
ONBOOT=yes
NM_CONTROLLED=yes
BOOTPROTO=static
IPADDR=172.16.30.32
NETMASK=255.255.254.0
GATEWAY=172.16.30.1
#删除MAC绑定
[root@wms-test-2 ~]# rm -f /etc/udev/rules.d/70-persistent-net.rules
[root@wms-test-2 ~]# reboot

通过拷贝xml文件方式安装新虚拟机

1. 制作虚拟机镜像

[root@mrxy-py kvmdisk]# cp WMS-test-2.img WMS-test-3.img
[root@mrxy-py kvmdisk]# cd /etc/libvirt/qemu
[root@mrxy-py qemu]# ls
autostart  networks  WMS-test-1.xml  WMS-test-2.xml
#创建xml文件
[root@mrxy-py qemu]# cp WMS-test-2.xml WMS-test-3.xml

2. 修改相应的参数 uuid mac vnc 硬盘文件位置 虚拟机的主机名
   uuid和mac:可以随意更改，但是格式一致
   vnc：指定端口，不能跟其它虚拟机冲突

[root@mrxy-py qemu]# pwd
/etc/libvirt/qemu
[root@mrxy-py qemu]# vim WMS-test-3.xml
<mac address='52:54:00:d0:5a:30'/>
<uuid>85bbf66d-800b-3ddd-7d98-2181662a4164</uuid>
<source file='/data1/kvmdisk/WMS-test-3.img'/>
<graphics type='vnc' port='7790' autoport='no' listen='0.0.0.0'>

3. 注册虚拟机,并启动

[root@mrxy-py qemu]# virsh define WMS-test-3.xml
Domain WMS-test-3 defined from WMS-test-3.xml

[root@mrxy-py qemu]# virsh list --all
 Id    Name                           State
----------------------------------------------------
 1     WMS-test-1                     running
 2     WMS-test-2                     running
 -     WMS-test-3                     shut off

[root@mrxy-py qemu]# virsh start WMS-test-3
Domain WMS-test-3 started

[root@mrxy-py qemu]# virsh list --all
 Id    Name                           State
----------------------------------------------------
 1     WMS-test-1                     running
 2     WMS-test-2                     running
 3     WMS-test-3                     running