kvm虚拟机的克隆分为两种情况,本文也就通过以下两种情况进行克隆,克隆虚拟机为OEL5.8X64。

(1) KVM主机本机虚拟机直接克隆。

(2) 通过复制配置文件与磁盘文件的虚拟机复制克隆(适用于异机的静态迁移)。

1.  本机虚拟机直接克隆

(1) 查看虚拟机配置文件

[root@node1 ~]# cat /etc/libvirt/qemu/oeltest01.xml    

<!--
WARNING: THIS IS AN AUTO-GENERATED FILE. CHANGES TO IT ARE LIKELY TO BE
OVERWRITTEN AND LOST. Changes to this xml configuration should be made using:
virsh edit oeltest01
or other application using the libvirt API.
-->
<domain type='kvm'>
<name>oeltest01</name>
<uuid>8f2bb4a7-c7ed-32aa--9fb05923269d</uuid>
<memory unit='KiB'></memory>
<currentMemory unit='KiB'></currentMemory>
<vcpu placement='static'></vcpu>
<os>
<type arch='x86_64' machine='rhel6.4.0'>hvm</type>
<boot dev='hd'/>
</os>
<features>
<acpi/>
<apic/>
<pae/>
</features>
<clock offset='utc'/>
<on_poweroff>destroy</on_poweroff>
<on_reboot>restart</on_reboot>
<on_crash>restart</on_crash>
<devices>
<emulator>/usr/libexec/qemu-kvm</emulator>
<disk type='file' device='disk'>
<driver name='qemu' type='raw' cache='none'/>
<source file='/data/test01.img'/>
<target dev='hda' bus='ide'/>
<address type='drive' controller='' bus='' target='' unit=''/>
</disk>
<disk type='block' device='cdrom'>
<driver name='qemu' type='raw'/>
<target dev='hdc' bus='ide'/>
<readonly/>
<address type='drive' controller='' bus='' target='' unit=''/>
</disk>
<controller type='usb' index=''>
<address type='pci' domain='0x0000' bus='0x00' slot='0x01' function='0x2'/>
</controller>
<controller type='ide' index=''>
<address type='pci' domain='0x0000' bus='0x00' slot='0x01' function='0x1'/>
</controller>
<interface type='bridge'>
<mac address='52:54:00:82:39:01'/>
<source bridge='br0'/>
<model type='virtio'/>
<address type='pci' domain='0x0000' bus='0x00' slot='0x03' function='0x0'/>
</interface>
<serial type='pty'>
<target port=''/>
</serial>
<console type='pty'>
<target type='serial' port=''/>
</console>
<input type='tablet' bus='usb'/>
<input type='mouse' bus='ps2'/>
<graphics type='vnc' port='' autoport='no' listen='0.0.0.0'>
<listen type='address' address='0.0.0.0'/>
</graphics>
<video>
<model type='cirrus' vram='' heads=''/>
<address type='pci' domain='0x0000' bus='0x00' slot='0x02' function='0x0'/>
</video>
<memballoon model='virtio'>
<address type='pci' domain='0x0000' bus='0x00' slot='0x04' function='0x0'/>
</memballoon>
</devices>
</domain>

虚拟机磁盘文件: /data/test01.img

虚拟机名称:oeltest01

(2) 开始克隆

# virt-clone -o oeltest01 -n oeltest02 -f /data/test02.img

说明:以oeltest01做为源,克隆oeltest01虚拟机,并创建名称为oeltest02虚拟机,使用磁盘文件/data/test02.img

(3) 启动虚拟机并配置主机名,IP地址等

[root@node1 data]# virsh console oeltest02

连接到域 oeltest02

Escape character is ^]
Found volume group "vg" using metadata type lvm2
logical volume(s) in volume group "vg" now active
Welcome to Oracle Linux Oracle Linux Server release 5.8
Press 'I' to enter interactive startup.
Starting udev: [ OK ]
Loading default keymap (us): [ OK ]
Setting hostname test01: [ OK ]
Setting up Logical Volume Management: logical volume(s) in volume group "vg" now active
[ OK ]
Checking filesystems
Checking all file systems.
[/sbin/fsck.ext3 () -- /] fsck.ext3 -a /dev/vg/root
/dev/vg/root: clean, / files, / blocks
[/sbin/fsck.ext3 () -- /boot] fsck.ext3 -a /dev/hda1
/boot: clean, / files, / blocks
[ OK ]
Remounting root filesystem in read-write mode: [ OK ]
Mounting local filesystems: [ OK ]
Enabling local filesystem quotas: [ OK ]
Enabling /etc/fstab swaps: [ OK ]
INIT: Entering runlevel:
Entering non-interactive startup
Applying Intel CPU microcode update: [ OK ]
Starting background readahead: [ OK ]
Checking for hardware changes [ OK ]
[ OK ] iSCSI daemon: [ OK ]
[ OK ]
Bringing up loopback interface: [ OK ]
Bringing up interface eth0:
Determining IP information for eth0... done.
[ OK ]
Starting auditd: [ OK ]
Starting system logger: [ OK ]
Starting kernel logger: [ OK ]
Starting irqbalance: [ OK ]
iscsid (pid ) is running...
Setting up iSCSI targets: iscsiadm: No records found
[ OK ]
Starting portmap: [ OK ]
Starting NFS statd: [ OK ]
Starting RPC idmapd: [ OK ]
Starting system message bus: [ OK ]
Starting o2cb: [ OK ]
[ OK ] Bluetooth services:[ OK ]
Mounting other filesystems: [ OK ]
Starting PC/SC smart card daemon (pcscd): [ OK ]
Starting acpi daemon: [ OK ]
Starting HAL daemon: [ OK ]
Starting hidd: [ OK ]
Starting monitoring for VG vg: logical volume(s) in volume group "vg" monitored
[ OK ]
Starting autofs: Loading autofs4: [ OK ]
Starting automount: [ OK ]
[ OK ]
Starting hpiod: [ OK ]
Starting hpssd: [ OK ]
Starting sshd: [ OK ]
Starting cups: [ OK ]
Starting xinetd: [ OK ]
Starting console mouse services: [ OK ]
Starting crond: [ OK ]
Starting xfs: [ OK ]
Starting anacron: [ OK ]
[ OK ] atd: [ OK ]
Starting background readahead: [ OK ]
Starting yum-updatesd: [ OK ]
Starting Avahi daemon... [ OK ]
Starting smartd: hdc: drive_cmd: status=0x41 { DriveReady Error }
hdc: drive_cmd: error=0x04 { AbortedCommand }
ide: failed opcode was: 0xec
[ OK ]
Oracle Linux Server release 5.8
Kernel 2.6.-.el5 on an x86_64
test01 login: mtrr: type mismatch for f0000000, old: uncachable new: write-combining
mtrr: type mismatch for f0000000, old: uncachable new: write-combining
Oracle Linux Server release 5.8
Kernel 2.6.-.el5 on an x86_64
test01 login:
Oracle Linux Server release 5.8
Kernel 2.6.-.el5 on an x86_64
test01 login: root
Password:
Last login: Sat Sep :: on ttyS0
[root@test01 ~]#
[root@test01 ~]#
[root@test01 ~]# () 修改主机名,IP地址等 # vi /etc/hosts # Do not remove the following line, or various programs
# that require network functionality will fail.
127.0.0.1 test02 localhost.localdomain localhost
:: localhost6.localdomain6 localhost6 # vi /etc/sysconfig/network NETWORKING=yes
NETWORKING_IPV6=no
HOSTNAME=test02
GATEWAY=192.168.233.2 修改IP地址 # vi /etc/sysconfig/network-script/ifcfg-eth0 # Virtio Network Device
DEVICE=eth0
BOOTPROTO=static
ONBOOT=yes
HWADDR=::::bd:2b
IPADDR=192.168.233.142
NETMASK=255.255.255.0 [root@test01 ~]# service network restart
Shutting down interface eth0: [ OK ]
Shutting down loopback interface: [ OK ]
Bringing up loopback interface: [ OK ]
Bringing up interface eth0: [ OK ]
[root@test01 ~]#

2.  复制配置文件与磁盘文件克隆

(1) 导入kvm虚拟机配置文件

这里采用oeltest01做为模板,进行克隆。

# virsh shutdown oeltest01

# virsh dumpxml oeltest01 > /etc/libvirt/qemu/oeltest03.xml

(2) 复制kvm虚拟机磁盘文件

本系列文章都是采用虚拟磁盘文件进行测试,没有使用lvm卷。

通过查看配置文件:虚拟磁盘位置<source file='/data/test01.img'/>

(3) 直接编辑修改配置文件

修改name,uuid,disk位置,vnc端口

此时还是将该配置文件注册进来,无法通过virsh edit进行编辑。

[root@node1 data]# vi /etc/libvirt/qemu/oeltest03.xml
<domain type='kvm'>
<name>oeltest03</name>
<uuid>8f2bb4a7-c7ed-32aa--9fb05923260d</uuid>
<memory unit='KiB'></memory>
<currentMemory unit='KiB'></currentMemory>
<vcpu placement='static'></vcpu>
<os>
<type arch='x86_64' machine='rhel6.4.0'>hvm</type>
<boot dev='hd'/>
</os>
<features>
<acpi/>
<apic/>
<pae/>
</features>
<clock offset='utc'/>
<on_poweroff>destroy</on_poweroff>
<on_reboot>restart</on_reboot>
<on_crash>restart</on_crash>
<devices>
<emulator>/usr/libexec/qemu-kvm</emulator>
<disk type='file' device='disk'>
<driver name='qemu' type='raw' cache='none'/>
<source file='/data/test03.img'/>
<target dev='hda' bus='ide'/>
<address type='drive' controller='' bus='' target='' unit=''/>
</disk>
<disk type='block' device='cdrom'>
<driver name='qemu' type='raw'/>
<target dev='hdc' bus='ide'/>
<readonly/>
<address type='drive' controller='' bus='' target='' unit=''/>
</disk>
<controller type='usb' index=''>
<address type='pci' domain='0x0000' bus='0x00' slot='0x01' function='0x2'/>
</controller>
<controller type='ide' index=''>
<address type='pci' domain='0x0000' bus='0x00' slot='0x01' function='0x1'/>
</controller>
<interface type='bridge'>
<mac address='52:54:00:82:39:01'/>
<source bridge='br0'/>
<model type='virtio'/>
<address type='pci' domain='0x0000' bus='0x00' slot='0x03' function='0x0'/>
</interface>
<serial type='pty'>
<target port=''/>
</serial>
<console type='pty'>
<target type='serial' port=''/>
</console>
<input type='tablet' bus='usb'/>
<input type='mouse' bus='ps2'/>
<graphics type='vnc' port='' autoport='no' listen='0.0.0.0'>
<listen type='address' address='0.0.0.0'/>
</graphics>
<video>
<model type='cirrus' vram='' heads=''/>
<address type='pci' domain='0x0000' bus='0x00' slot='0x02' function='0x0'/>
</video>
<memballoon model='virtio'>
<address type='pci' domain='0x0000' bus='0x00' slot='0x04' function='0x0'/>
</memballoon>
</devices>
</domain>

(4) 定义新虚拟机配置文件

[root@node1 data]# virsh define /etc/libvirt/qemu/oeltest03.xml    

启动虚拟机

[root@node1 data]# virsh start oeltest03
域 oeltest03 已开始

(5) 登录虚拟机进行主机名,IP等修改

[root@node1 data]# virsh console oeltest03
连接到域 oeltest03
Escape character is ^] Oracle Linux Server release 5.8
Kernel 2.6.-.el5 on an x86_64 test01 login: mtrr: type mismatch for f0000000, old: uncachable new: write-combining
mtrr: type mismatch for f0000000, old: uncachable new: write-combining Oracle Linux Server release 5.8
Kernel 2.6.-.el5 on an x86_64 test01 login: root
Password:
Last login: Sat Sep :: on ttyS0 [root@test01 ~]#
[root@test01 ~]# 修改主机名 # vi /etc/hosts # Do not remove the following line, or various programs
# that require network functionality will fail.
127.0.0.1 test03 localhost.localdomain localhost
:: localhost6.localdomain6 localhost6 # vi /etc/sysconfig/network NETWORKING=yes
NETWORKING_IPV6=no
HOSTNAME=test03
GATEWAY=192.168.233.2 修改IP地址 # vi /etc/sysconfig/network-script/ifcfg-eth0 # Virtio Network Device
DEVICE=eth0
BOOTPROTO=static
ONBOOT=yes
HWADDR=::::bd:3b
IPADDR=192.168.233.143
NETMASK=255.255.255.0 service network restart
Shutting down interface eth0: [ OK ]
Shutting down loopback interface: [ OK ]
Bringing up loopback interface: [ OK ]
Bringing up interface eth0: [ OK ]

本文到此通过两种方式进行kvm虚拟机克隆,其实各有用处。

再次说明:本文克隆的虚拟机是oel5.8,如果克隆的虚拟机是RHEL/CentOS/OEL6.x操作系统,还需要修改/etc/udev/rules.d/70-persistent-net.rules文件。

kvm虚拟化之kvm虚拟机克隆的更多相关文章

  1. kvm虚拟化之kvm虚拟机快照备份

    kvm虚拟机默认使用raw格式的镜像格式,性能最好,速度最快,它的缺点就是不支持一些新的功能,如支持镜像,zlib磁盘压缩,AES加密等.   要使用镜像功能,磁盘格式必须为qcow2.下面开始kvm ...

  2. kvm虚拟化之kvm虚拟机vnc配置

    本文是通过vnc方式访问虚拟主机上的KVM虚拟机.    这里的通过vnc方式访问虚拟机不是在kvm虚拟机安装配置vnc服务器,通过虚拟主机的IP地址与端口进行访问,kvm虚拟化对vnc的支持相对来说 ...

  3. KVM虚拟化之windows虚拟机性能调整

    通过KVM安装WindowsXP/2003/7/2008操作系统后,由于默认的磁盘驱动(IDE)性能与网卡驱动(RTL8139100M)的性能都极其低下,需要调整,通过加载Redhatvirtio驱动 ...

  4. kvm虚拟化安装及虚拟机创建

    1.开启虚拟化(VMware虚拟机为例),安装centos7操作系统. 2.查看CPU是否开启虚拟化 #zgrep  "vmx" /proc/cpuinfo 3.配置yum源,通过 ...

  5. KVM虚拟化(KVM简介和KVM安装)

    KVM 虚拟化架构分类 寄居虚拟化架构:指在宿主操作系统之上安装和运行虚拟化程序,依赖于宿主操作系统对设备的支持和物理资源的管理. 裸金属虚拟化架构:指直接在硬件上面安装虚拟化软件,再在其上安装操作系 ...

  6. CentOS7.1 KVM虚拟化之linux虚拟机安装(2)

    一.上传ISO文件到/data/iso下 这里使用CentOS-5.5-i386-bin-DVD.iso 二.安装CentOS5.5 CentOS7.1 安装KVM虚拟机默认磁盘格式为qcow2(推荐 ...

  7. Kvm虚拟化安装与虚拟机创建

    1. 验证CPU是否支持KVM:如果结果中有vmx(Intel)或svm(AMD)字样,就说明CPU的支持的. egrep '(vmx|svm)' /proc/cpuinfo 2. 关闭SELinux ...

  8. kvm虚拟化之kvm虚拟机控制台登陆

    vm虚拟机能否像xen虚拟机一样通过virsh console 一样采用字符界面进行linux虚拟机控制台呢,答案是肯定的,默认情况下该命令是不起作用的,需要修改相关文件才能实现. 1. 配置方法如下 ...

  9. kvm虚拟化学习笔记(三)之windows kvm虚拟机安装

    KVM虚拟化学习笔记系列文章列表----------------------------------------kvm虚拟化学习笔记(一)之kvm虚拟化环境安装http://koumm.blog.51 ...

随机推荐

  1. java 内存溢出

    不健壮代码的特征及解决办法 1.尽早释放无用对象的引用.好的办法是使用临时变量的时候,让引用变量在退出活动域后,自动设置为null,暗示垃圾收集器来收集该对象,防止发生内存泄露. 对于仍然有指针指向的 ...

  2. json和jsonp的区别(转)

    原文链接:http://www.cnblogs.com/dowinning/archive/2012/04/19/json-jsonp-jquery.html  前言: 说到AJAX就会不可避免的面临 ...

  3. 如何显示当前Mipmap级别?

    [如何显示当前Mipmap级别?] 乘以 mainTextureSize/mipTextureSize是为了让mipColorsTexture纹理与mainTexture级别对应.直接用uv是不行的, ...

  4. poj2796 Feel good

    题目给出N个数,找出一段区间使得区间最小值乘区间和的值最大 其中N<=100000 分析: 单调队列(单调栈) 求出每个值作为最小值时最长的影响区间,然后枚举判断 这找出最长影响区间应该算是单调 ...

  5. SpringMVC单元测试-MockMvc

    一 简介 MockMvc实现对Http请求的模拟,可以方便对Controller进行测试,使得测试速度快.不依赖网络环境,而且提供验证的工具,使得请求的验证统一而且很方便.   二 常见使用方式 1  ...

  6. tensorflow学习笔记----tensorflow在windows的安装及TensorBoard中mnist样例

    前言:                                                                                                 ...

  7. tyvj P3737 逐个击破

    http://tyvj.cn/p/3737 时间: 1000ms / 空间: 131072KiB / Java类名: Main 描述 秉承伟大军事家的战略思想,作为一个有智慧的军长你,遇到了一个类似的 ...

  8. Python爬虫入门六之Cookie的使用

    大家好哈,上一节我们研究了一下爬虫的异常处理问题,那么接下来我们一起来看一下Cookie的使用. 为什么要使用Cookie呢? Cookie,指某些网站为了辨别用户身份.进行session跟踪而储存在 ...

  9. LWIP数据包管理

  10. servler配置

    <?xml version="1.0" encoding="UTF-8"?><web-app xmlns:xsi="http://w ...