KVM 实战虚拟机克隆

[root@sh-kvm-2 ~]# virsh suspend kvm-1
[root@sh-kvm-2 ~]# less /dev/vg_shkvm2/kvm-3
Domain kvm-1 suspended

virt-clone \
 --connect qemu:///system \
 --original kvm-1 \
 --name kvm-3 \
 --file /dev/vg_shkvm2/kvm-3
 # 或者
 virt-clone --connect qemu:///system --original aniu-saas-1 --name aniu-saas-2 --file /dev/cl/aniu-saas-2 --check all=off
 # ERROR    This will overwrite the existing path '/dev/cl/aniu-saas-2' (Use --check path_exists=off or --check all=off to override)

virsh resume kvm-1

[root@sh-kvm-2-1 ~]# ifconfig -a | grep HWaddr
eth1      Link encap:Ethernet  HWaddr 52:54:00:C3:87:E7
# 把查到的MAC地址添加到ifcfg-eth0，改掉原来的MAC地址，注释UUID，修改IPADDR，然后重启network
[root@sh-kvm-2-1 network-scripts]# cat ifcfg-eth0  # 修改完成后的eth0网卡配置文件
DEVICE="eth0"
BOOTPROTO="static"
BROADCAST="192.168.0.255"
DNS1="114.114.114.114"
GATEWAY="192.168.0.1"
HWADDR="52:54:00:C3:87:E7"
IPADDR="192.168.0.95"
NETMASK="255.255.255.0"
NM_CONTROLLED="yes"
ONBOOT="yes"
TYPE="Ethernet"
UUID="050e9024-3a2b-46b8-a21f-2925aa7d4bec"

[root@sh-kvm-2-1 network-scripts]# /etc/init.d/network restart
Shutting down loopback interface:  [  OK  ]
Bringing up loopback interface:  [  OK  ]
Bringing up interface eth0:  Device eth0 does not seem to be present, delaying initialization.
[FAILED]

[root@sh-kvm-2-1 ~ ]# cd /etc/udev/rules.d
[root@sh-kvm-2-1 rules.d]# cat 70-persistent-net.rules # 编辑70-persistent-net.rules，修改eth0的MAC地址为上面通过ifconfig命令搜出来的

SUBSYSTEM=="net", ACTION=="add", DRIVERS=="?*", aTTR{address}=="52:54:00:C3:87:E7", ATTR{type}=="1", KERNEL=="eth*", NAME="eth0"
# 修改完成，完后重启网络，成功
# 另一种方法：

rm -rf /etc/udev/rules.d/70-persistent-net.rules # 然后reboot重启即可