Dell R820 KVM Virtualization Deployment Quad (KVM Virtual machine cloning) in the production environment

V. Cloning a virtual machine

Premise:

1. The UUID and MAC address of the card configuration file of the template machine have been deleted ( [email protected] ~]# Vim /etc/sysconfig/network-scripts/ifcfg-eth0 )

2. The NIC configuration file has been emptied ( [email protected] ~]# >/etc/udev/rules.d/70-persistent-net.rules )

3, the template machine is in the shutdown state

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View the details of a clone

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Cloning process

In case of RAID10, 24G size cloning takes about 4 minutes, and time needs to be calculated with the array pattern of your physical host

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Cloning complete

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Start the Modify IP

Physical host View Run results

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Six, KVM common commands

Virsh List #列出运行中的虚拟机

Virsh List--all #列出所有虚拟机

Virsh start CentOS #启动centos虚拟机

Virsh shutdown CentOS #关闭centos虚拟机

Virsh Destroy CentOS #强制关闭centos虚拟机

Virsh autostart CentOS #设置centos自动启动

Virsh undefine CentOS #删除centos虚拟机

Virsh suspend CentOS #暂停centos虚拟机

Virsh Resume CentOS #恢复centos虚拟

This article is from the "Linux operations self-cultivation" blog, please be sure to keep this source http://ywliyq.blog.51cto.com/11433965/1765894

Dell R820 KVM Virtualization Deployment Quad (KVM Virtual machine cloning) in the production environment