Redhat/CentOS系统KVM虚拟机安装过程详解
# cat vm_1.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 vm_1
or other application using the libvirt API.
--><domain type='kvm'>
<name>vm_1</name>//此处为hostname<uuid>2f952159-b231-80a4-8086-d49978513fb4</uuid>//此处为uuid标识<memory unit='KiB'>8388608</memory>//此处为内存<currentMemory unit='KiB'>8388608</currentMemory>
<vcpu placement='static'>6</vcpu>//此处为cpu核数<os>
<type arch='x86_64' machine='rhel6.5.0'>hvm</type>
<boot dev='hd'/>//此处为启动项目，若想从光盘启动可设置为<boot dev='cdrom'/>
</os>
<features>
<acpi/>
<apic/>
<pae/>
</features>
<clock offset='utc'/>
<on_poweroff>destroy</on_poweroff>//此处为关机命令 使用 virsh destroy vm_1 关闭<on_reboot>restart</on_reboot>
<on_crash>restart</on_crash>
<devices>
<emulator>/usr/libexec/qemu-kvm</emulator>
<disk type='file' device='disk'>//此处为硬盘信息 <driver name='qemu' type='raw' cache='none'/>
<source file='/home/kvm/vm_1.qcow2'/>
<target dev='hda' bus='ide'/>
<address type='drive' controller='0' bus='0' target='0' unit='0'/>
</disk>
<disk type='block' device='cdrom'>//此处为cdrom信息，可修改为iso的路径 <driver name='qemu' type='raw'/>
<target dev='hdc' bus='ide'/>
<readonly/>
<address type='drive' controller='0' bus='1' target='0' unit='0'/>
</disk>
<controller type='usb' index='0'>//此处为usb接口信息 <address type='pci' domain='0x0000' bus='0x00' slot='0x01' function='0x2'/>
</controller>
<controller type='ide' index='0'>
<address type='pci' domain='0x0000' bus='0x00' slot='0x01' function='0x1'/>
</controller>
<interface type='network'>//此处为网卡1信息，使用network也就是nat模式连接virbr0联网 <mac address='52:54:00:9a:d7:82'/>
<source network='default'/>
<address type='pci' domain='0x0000' bus='0x00' slot='0x03' function='0x0'/>
</interface>
<interface type='bridge'>//此处为网卡2信息，使用bridge桥接方式到br1 <mac address='52:54:11:fd:39:23'/>
<source bridge='br1'/>
<address type='pci' domain='0x0000' bus='0x00' slot='0x05' function='0x0'/>
</interface>//若要添加网卡可新加配置，注意修改mac地址 <interface type='bridge'>
<mac address='52:54:21:fd:39:23'/>
<source bridge='br0'/>
<address type='pci' domain='0x0000' bus='0x00' slot='0x08' function='0x0'/>
</interface>
<serial type='pty'>
<target port='0'/>
</serial>
<console type='pty'>
<target type='serial' port='0'/>
</console>
<input type='mouse' bus='ps2'/>
<graphics type='vnc' port='5920' autoport='no' listen='0.0.0.0'>//此处为VNC连接端口 <listen type='address' address='0.0.0.0'/>
</graphics>
<video>
<model type='cirrus' vram='9216' heads='1'/>
<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>#
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