kvm的一些配置情况

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root@linux:/etc/libvirt/qemu # qemu-kvm -M ?
Supported machines are:
pc         Standard PC (alias of pc-0.12)
pc-0.12    Standard PC (default)
pc-0.11    Standard PC, qemu 0.11
pc-0.10    Standard PC, qemu 0.10
isapc      ISA-only PC

mac Intel-Mac

<domain type='kvm'>
<name>centoskvm3</name>
<uuid>bdbb89fb-57d1-4d01-b3b7-ff33a9346ae6</uuid>
<memory>2048000</memory>
<currentMemory>1024000</currentMemory>
<vcpu>2</vcpu>
<os>
<type arch='x86_64' machine='pc'>hvm</type>
<boot dev='hd'/>
</os>
<features>
<acpi/>
<apic/>
<pae/>
</features>
<clock offset='localtime'/>
<on_poweroff>destroy</on_poweroff>
<on_reboot>destroy</on_reboot>
<on_crash>destroy</on_crash>
<devices>
<emulator>/usr/libexec/qemu-kvm</emulator>
<disk type='file' device='disk'>
<source file='/usr/local/kvm/centvm3.img'/>
<target dev='hda' bus='ide'/>
</disk>
<interface type='bridge'>
<mac address='3b:6e:01:69:3a:11'/>
<source bridge='br0'/>
</interface>
<input type='mouse' bus='ps2'/>
<graphics type='vnc' port='-1' autoport='yes' listen='221.196.131.121' keymap='en-us' passwd='123456'/>
</devices>
</domain>