##KVM Install

Install Tools:

yum -y install kvm python-virtinst libvirt bridge-utils virt-manager qemu-kvm-tools virt-viewer virt-v2v

安装

virt-install --name=win2003test --ram 1024 --vcpus=1 --disk path=/mnt/win2003test.img,size=20 --accelerate --cdrom /mnt/WindowsServer2003SP2.iso --graphics vnc,password=123456,listen=0.0.0.0,port=5920 --force --autostart

删除

[root@localhost ~]# virsh -c qemu:///system
virsh # list --all
virsh # destroy win2003Test
virsh # undefine win2003Test

安装过程中，在系统重启后，设置CD

修改 /etc/libvirt/qemu/win2003test.xml 或执行命令 virsh edit win2003test
<source dev='/mnt/WindowsServer2003SP2.iso'/> 
加入到
<disk type='block' device='cdrom'>
 <driver name='qemu' type='raw'/>
 <source dev='/mnt/WindowsServer2003SP2.iso'/> 
 ...
</disk>

然后执行一下命令  

[root@localhost ~]# virsh -c qemu:///system
virsh # shutdown win2003test
virsh # destroy win2003test
virsh # define /etc/libvirt/qemu/win2003test.xml
virsh # start win2003test
virsh # quit
[root@localhost ~]# virt-viewer win2003test

解决出现两个鼠标光标问题

修改 /etc/libvirt/qemu/win2003test.xml 或执行命令 virsh edit win2003test 
</console>
<input type='tablet' bus='usb'/>
<input type='mouse' bus='ps2'/>

安装网卡驱动

下载virtio-win-0.1-52.iso
http://alt.fedoraproject.org/pub/alt/virtio-win/latest/images/bin/virtio-win-0.1-52.iso
修改
<source dev='/mnt/WindowsServer2003SP2.iso'/> 
为
<source dev='/mnt/virtio-win-0.1-52.iso'/> 
重启系统
[root@localhost ~]# virsh shutdown win2003test
[root@localhost ~]# virsh define /etc/libvirt/qemu/win2003test.xml
[root@localhost ~]# virsh start win2003test
进入系统后就可以从光驱安装网卡驱动了.

[root@localhost ~]# /etc/init.d/network stop
Shutting down interface br0:  [  OK  ]
Shutting down interface eth0:  [  OK  ]
Shutting down interface eth1:  [  OK  ]
Shutting down interface eth2:  [  OK  ]
Shutting down interface eth3:  [  OK  ]
Shutting down interface eth4:  [  OK  ]
Shutting down interface eth5:  [  OK  ]
Shutting down loopback interface:  [  OK  ]

参考文章:

• fedora 17上kvm的配置
• CentOS 6.3部署KVM虚拟机V1.0
• Creating an RHEL 6 KVM Networked Bridge Interface
• RHEL6 KVM安装备忘
• KVM Howto

---

##KVM Bridge

command list:

[root@localhost ~]#service network stop
[root@localhost ~]#cd /etc/sysconfig/network-scripts/
[root@localhost ~]#cat ifcfg-eth0
    DEVICE=eth0
    ONBOOT=yes
    BRIDGE=br0
    HWADDR=b3:1c:51:ca:a9:f0

[root@localhost ~]#cat ifcfg-br0
    DEVICE=br0   
    TYPE=Bridge 
    BOOTPROTO=static
    ONBOOT=yes 
    IPADDR=192.168.110.30
    NETMASK=255.255.255.192
    GATEWAY=192.168.110.1

[root@localhost ~]#service network start

[root@localhost ~]#route add default gw 192.168.110.1 dev br0

参考:

• linux kvm 网卡Bridge设置
• Redhat/CentOS6.2 x86系统KVM虚拟机网络配置(二)—Bridge方式
• CentOS 6.0 下 KVM 网卡桥接的配置
• 虚拟化方案之－－kvm简单教程（网络桥接方案，全文更新中。。。）
• RHEL KVM虚拟机网桥设置
• Linux 原生橋接器（Bridge）
• Fedora KVM Networking
• Redhat/CentOS6.2 x86系统KVM虚拟机网络配置 Bridge方式

---

##KVM Bond

关掉NetworkManager服务

[root@localhost ~]# service NetworkManager stop

[root@localhost ~]# service NetworkManager status
NetworkManager is stopped

列出当前的网卡的个数

查询eth*,其中[[:digit:]]匹配数字，+匹配用来一个或多个数字
[root@localhost ~]# ip a | grep -E "eth[[:digit:]]+:"
2: eth4: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1500 qdisc pfifo_fast state UP qlen 1000
3: eth2: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1500 qdisc pfifo_fast state UP qlen 1000
4: eth5: <BROADCAST,MULTICAST,SLAVE,UP,LOWER_UP> mtu 1500 qdisc pfifo_fast master bond0 state UP qlen 1000
5: eth3: <BROADCAST,MULTICAST,SLAVE,UP,LOWER_UP> mtu 1500 qdisc pfifo_fast master bond0 state UP qlen 1000
6: eth6: <BROADCAST,MULTICAST> mtu 1500 qdisc noop state DOWN qlen 1000
7: eth7: <BROADCAST,MULTICAST> mtu 1500 qdisc noop state DOWN qlen 1000    
[root@localhost ~]# ip a | grep -E "eth[[:digit:]]+:" | wc -l
6

[root@localhost ~]# grep -E "eth[[:digit:]]+" /proc/net/dev | awk -F' |:' '{print $3}' | sort
eth2
eth3
eth4
eth5
eth6
eth7

HowTo: Linux Show List Of Network Cards    
http://www.cyberciti.biz/faq/linux-list-network-cards-command/

列出bond的个数和组成

[root@localhost ~]# cat /etc/sysconfig/network-scripts/ifcfg-bond0 
DEVICE=bond0
BOOTPROTO=static
ONBOOT=yes
USERCTL=no
TYPE=Ethernet
BRIDGE=br1

查看绑定状态
[root@localhost ~]# cat /proc/net/bonding/bond0 
Ethernet Channel Bonding Driver: v3.6.0 (September 26, 2009)

Bonding Mode: adaptive load balancing
Primary Slave: None
Currently Active Slave: eth5    # 当前使用eth5
MII Status: up
MII Polling Interval (ms): 100
Up Delay (ms): 0
Down Delay (ms): 0

Slave Interface: eth3           # 绑定成员eth3
MII Status: up
Speed: 1000 Mbps
Duplex: full
Link Failure Count: 0
Permanent HW addr: 00:24:ec:20:00:fe
Slave queue ID: 0

Slave Interface: eth5           # 绑定成员eth5
MII Status: up
Speed: 1000 Mbps
Duplex: full
Link Failure Count: 0
Permanent HW addr: 00:24:ec:20:00:fd
Slave queue ID: 0

列出网桥的个数及其组成，和vnet的情况

1).查询网桥个数
    [root@localhost ~]# brctl show
    bridge name    bridge id        STP enabled    interfaces
    br0        8000.0024ec2000fb    no        eth4
                                tap0
    br1        8000.0024ec2000fe    no        bond0
                                tap1
                                vnet0
    virbr0        8000.525400d2af63    yes        virbr0-nic

    [root@localhost ~]# ifconfig | grep -E "^br[[:digit:]]"
    br0       Link encap:Ethernet  HWaddr 00:24:EC:20:00:FB  
    br1       Link encap:Ethernet  HWaddr 00:24:EC:20:00:FE  
    [root@localhost ~]# ifconfig | grep -E "^br[[:digit:]]" | wc -l
    2

2).查询vnet情况,使用sed，查找vnet开始到空行结束的行
    [root@localhost ~]# ifconfig | sed -n '/vnet[[:digit:]]/,/^$/p'
    vnet0     Link encap:Ethernet  HWaddr FE:24:EC:20:00:FF  
              inet6 addr: fe80::fc24:ecff:fe20:ff/64 Scope:Link
              UP BROADCAST RUNNING MULTICAST  MTU:1500  Metric:1
              RX packets:2669288 errors:0 dropped:0 overruns:0 frame:0
              TX packets:26731021 errors:0 dropped:0 overruns:0 carrier:0
              collisions:0 txqueuelen:500 
              RX bytes:323410384 (308.4 MiB)  TX bytes:2495782478 (2.3 GiB)

    [root@localhost ~]# 

两个网卡建立绑定

[root@localhost ~]# cat /etc/sysconfig/network-scripts/ifcfg-bond0 
DEVICE=bond0
BOOTPROTO=static
ONBOOT=yes
USERCTL=no
TYPE=Ethernet
BRIDGE=br1

echo "MASTER=bond0
SLAVE=yes" >> /etc/sysconfig/network-scripts/ifcfg-eth0

echo "MASTER=bond0
SLAVE=yes" >> /etc/sysconfig/network-scripts/ifcfg-eth1

一个绑定建立一个网桥

[root@localhost ~]# cat /etc/sysconfig/network-scripts/ifcfg-br0
DEVICE="br0"
BOOTPROTO=static
NM_CONTROLLED="yes"
ONBOOT=yes
IPADDR=192.168.110.30
PREFIX=24
GATEWAY=192.168.110.1
DEFROUTE=yes
TYPE=Bridge
[root@localhost ~]# cat /etc/sysconfig/network-scripts/ifcfg-br1
DEVICE="br1"
BOOTPROTO=none
NM_CONTROLLED="yes"
ONBOOT=yes
IPADDR=192.168.110.32
NETMASK=255.255.255.0
GATEWAY=192.168.110.1
DEFROUTE=yes
TYPE=Bridge

删除网桥，删除绑定

[root@localhost ~]# brctl delif br1 eth3
[root@localhost ~]# brctl delif br1 eth5
[root@localhost ~]# brctl delbr br1

service network stop
rm -f ifcfg-br*

A bonded machine look as below:

[root@localhost ~]# ls  /etc/sysconfig/network-scripts/
ifcfg-bond0  ifcfg-eth3  ifdown-bnep  ifdown-post    ifup          ifup-ipv6   ifup-ppp       init.ipv6-global
ifcfg-br0    ifcfg-eth4  ifdown-eth   ifdown-ppp     ifup-aliases  ifup-isdn   ifup-routes    net.hotplug
ifcfg-br1    ifcfg-eth5  ifdown-ippp  ifdown-routes  ifup-bnep     ifup-plip   ifup-sit       network-functions
ifcfg-eth0   ifcfg-lo    ifdown-ipv6  ifdown-sit     ifup-eth      ifup-plusb  ifup-tunnel    network-functions-ipv6
ifcfg-eth1   ifdown      ifdown-isdn  ifdown-tunnel  ifup-ippp     ifup-post   ifup-wireless
[root@localhost ~]# cat /etc/sysconfig/network-scripts/ifcfg-bond0 
DEVICE=bond0
BOOTPROTO=static
ONBOOT=yes
USERCTL=no
TYPE=Ethernet
BRIDGE=br1
[root@localhost ~]# cat /etc/sysconfig/network-scripts/ifcfg-br1
DEVICE="br1"
BOOTPROTO=none
NM_CONTROLLED="yes"
ONBOOT=yes
IPADDR=192.168.110.32
NETMASK=255.255.255.0
GATEWAY=192.168.110.1
DEFROUTE=yes
TYPE=Bridge
[root@localhost ~]# cat /etc/sysconfig/network-scripts/ifcfg-eth3
DEVICE=eth3
BOOTPROTO=static
ONBOOT=yes
MASTER=bond0
SLAVE=yes
USERCTL=no
TYPE=Ethernet
[root@localhost ~]# cat /etc/sysconfig/network-scripts/ifcfg-eth5
DEVICE=eth5
BOOTPROTO=static
ONBOOT=yes
MASTER=bond0
SLAVE=yes
USERCTL=no
TYPE=Ethernet
[root@localhost ~]# cat /etc/modprobe.d/modprobe.conf 
alias bond0 bonding
options bond0 miimon=100 mode=6
[root@localhost ~]# grep -r "bond0" /etc
/etc/modprobe.d/modprobe.conf:alias bond0 bonding
/etc/modprobe.d/modprobe.conf:options bond0 miimon=100 mode=6
/etc/sysconfig/network-scripts/ifcfg-eth5:MASTER=bond0
/etc/sysconfig/network-scripts/ifcfg-bond0:DEVICE=bond0
/etc/sysconfig/network-scripts/ifcfg-eth3:MASTER=bond0
[root@localhost ~]#

参考:

• RHEL6双网卡绑定
• linux系统双网卡绑定详细配置
• CentOS5.5 双网卡绑定
• Linux双网卡绑定实现负载均衡(Bonding双网卡绑定)
• shell脚本自动配置双网卡绑定
• What is the correct way to setup a bonded bridge on Centos 6 for KVM guests?

---

Other:

• Kvm教程
• KVM + OpenNebula = Virtual Cluster Deployment★★★★
• 使用 KVM 虚拟化技术
• 虚拟化发展简史和京东的虚拟化应用方案