kvm虚拟机配置出错信息
<network><name>default</name>
<bridge name="virbr0" />
<forward mode="nat"/>
<ip address="10.7.153.196" netmask="255.255.255.0">
<dhcp>
<range start="10.7.153.2" end="10.7.153.254" />
</dhcp>
</ip>
</network>
<network>
<name>default</name>
<uuid>e5504b1c-c6ab-ee16-7f4f-d288093cff38</uuid>
<forward mode='route'/>
<bridge name='virbr0' stp='on' delay='0' />
<ip address='10.7.153.196' netmask='255.255.255.0'>
<dhcp>
<range start="10.7.153.2" end="10.7.153.254" />
<host mac="00:21:cc:c0:5f:48" name="guest.example.com" ip="10.7.153.190" />
</dhcp>
</ip>
</network>
<network>
<name>host-bridge</name>
<forward mode="bridge"/>
<bridge name="br0"/>
<ip address="10.7.153.196" netmask="255.255.255.0">
<dhcp>
<range start="10.7.153.2" end="10.7.153.254" />
<host mac='00:21:cc:c0:5f:48' name='vm-1' ip='10.7.153.190' />
</dhcp>
</ip>
</network>
<protocol family='ipv4'>
<dhcp peerdns='yes'/>
<ip address='10.7.153.196'/>
<ip address='255.255.255.0'/>
<route gateway='10.7.153.254'/>
</protocol>
network.xml备份
<network>
<name>network_vmm1</name>
<uuid>850e02d5-e52a-e81d-a7e4-c47516c1382e</uuid>
<forward mode='nat'/>
<bridge name='virbr1' stp='on' delay='0' />
<mac address='52:54:00:65:98:E3'/>
<ip address='192.168.100.1' netmask='255.255.255.0'>
<dhcp>
<range start='192.168.100.128' end='192.168.100.254' />
</dhcp>
</ip>
</network>
一:
default网络不启动
不知道这么回事，启动虚拟网卡出错
#virsh net-start default
error: Failed to start network default
error: internal error Child process (/usr/sbin/dnsmasq --strict-order --local=// --domain-needed --pid-file=/var/run/libvirt/network/default.pid --conf-file= --except-interface lo --bind-interfaces --listen-address 192.168.122.1 --dhcp-range 192.168.122.2,192.168.122.254 --dhcp-leasefile=/var/lib/libvirt/dnsmasq/default.leases --dhcp-lease-max=253 --dhcp-no-override --dhcp-hostsfile=/var/lib/libvirt/dnsmasq/default.hostsfile --addn-hosts=/var/lib/libvirt/dnsmasq/default.addnhosts) unexpected exit status 3:
dnsmasq: failed to open pidfile /var/run/libvirt/network/default.pid: Permission denied
权限问题，查看了下selinux，果然。。
SELINUX=enforcing
关闭下selinux，打开vi /etc/selinux/config 修改
SELINUX=enforcing ----> SELINUX=disabled
【重启服务器才能生效】
同时执行命令：
setenforce 0
【即时生效】
重新启动下虚拟网卡
# virsh net-start default
Network default started
# brctl show
bridge name bridge id STP enabled interfaces
virbr0 8000.5254008b7f89 yes virbr0-nic
OK了。
二:
错误：internal error Process exited while reading console log output: Supported machines are:
pc RHEL 6.4.0 PC (alias of rhel6.4.0)
<type arch='x86_64' machine='rhel6-0'>hvm</type>//修改成对应的机器配置
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