centos6.5下kvm添加网卡和硬盘

一：添加硬盘

方法1

直接修改虚拟机的XML文件，这种方式虚拟机要重新virhs start/create 才可以生效，具体略。

方法2

用attach-disk 命令添加

要添加的LV卷/dev/vg01/lv_add01

1	[root@KVM ~]#virsh attach-disk kvm_ipvs01 /dev/vg01/lv_add01 vdc

即时生效，但是虚拟机配置文件不会添加，重启后就没了，如果要将运行状态保存至XML文件中，可以用dumpxml命令，用之前最好将XML做个备份。

1	[root@KVM ~]#virsh dumpxml kvm_ipvs01 >kvm_ipvs01.xml

ISO以磁盘方式添加

1	[root@KVM qemu]# virsh attach-disk KVM_ipvs01 /root/tasks/win2003.iso vdd

Disk attached successfully

即时生效，成功后到ipvs01中查看

[root@KVM_ipvs01 ~]# mount /dev/vdd /mnt/

[root@KVM_ipvs01 ~]# cd /mnt/

[root@KVM_ipvs01 mnt]# ll

total 3520

-r-xr-xr-x 1 root root 112 Mar 7 2007 <a href="http://so.21ops.com/cse/search?s=9181936462520079739&entry=1&q=autorun.inf" class="bdcs-inlinelink"target="_blank">autorun.inf</a>

-r-xr-xr-x 1 root root 322730 Mar 7 2007 <a href="http://so.21ops.com/cse/search?s=9181936462520079739&entry=1&q=bootfont.bin" class="bdcs-inlinelink"target="_blank">bootfont.bin</a>

dr-xr-xr-x 1 root root 267478 Mar 7 2007 i386

dr-xr-xr-x 1 root root 184 Mar 7 2007 printers

-r-xr-xr-x 1 root root 18809 Mar 7 2007 read1st.htm

-r-xr-xr-x 1 root root 54458 Mar 7 2007 relnotes.htm

-r-xr-xr-x 1 root root 372014 Mar 7 2007 setupenterprise.htm

-r-xr-xr-x 1 root root 2564096 Mar 7 2007 setup.exe

dr-xr-xr-x 1 root root 142 Mar 7 2007 support

-r-xr-xr-x 1 root root 10 Mar 7 2007 win51

-r-xr-xr-x 1 root root 10 Mar 7 2007 win51ia

-r-xr-xr-x 1 root root 10 Mar 7 2007 win51ia.sp2

二：添加网卡

方法1，修改配置文件，略

方法2，

[root@KVM ~]#attach-interface SNKVM_ipvs01 --type bridge --source br1

[root@KVM ~]#domiflist SN349_ipvs01 查看vnet6为新增的网卡

Interface Type Source Model MAC

-------------------------------------------------------

vnet2 bridge br2 virtio 52:54:00:06:88:f4

vnet6 bridge br1 - 52:54:00:8d:de:df

命令修改即时生效，但不会改动虚拟机XML文件，用下面命令更新至xml

[root@KVM ~]#virsh dumpxml kvm_ipvs01 >kvm_ipvs01.xml

进入虚拟机修改网络配置文件，无需重启

[root@ipvs01 network-scripts]# cp -a ifcfg-eth0 ifcfg-eth1

[root@ipvs01 network-scripts]# vi ifcfg-eth1

DEVICE="eth1" #改为eth1

BOOTPROTO="static"

#HWADDR="52:54:00:06:88:F4" #mac注释掉或者改为上面list中的值

IPADDR="10.10.0.90" #修改IP

IPV6INIT="yes"

MTU="1500"

NETMASK="255.255.255.0"

NM_CONTROLLED="yes"

ONBOOT="yes"

TYPE="Ethernet"

注释掉UUID

重启后网卡2生效

[root@KVM_ipvs01 network-scripts]# /etc/init.d/network restart

Shutting down interface eth0: [ OK ]

Shutting down loopback interface: [ OK ]

Bringing up loopback interface: [ OK ]

Bringing up interface eth0: [ OK ]

Bringing up interface eth1: [ OK ]

(责任编辑：IT)

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centos6.5下kvm添加网卡和硬盘