fence_virtd

# config fence virtd on kvm host
yum -y install fence-virtd fence-virtd-multicast fence-virtd-libvirt fence-virt*
mkdir -p /etc/cluster
echo fecb9e62cbcf4e54dcfb > /etc/cluster/fence_xvm.key

fence_virtd -c

systemctl enable fence_virtd
systemctl start fence_virtd
systemctl status fence_virtd

fence_xvm -o list
fence_xvm -o off -H vm1 
fence_xvm -o on -H vm1 
fence_xvm -o reboot -H vm1 
fence_xvm -o status -H vm1 

# config pcs stonith on kvm-guest-vm
yum -y install fence-virt
mkdir -p /etc/cluster
echo fecb9e62cbcf4e54dcfb > /etc/cluster/fence_xvm.key

# view vm list on kvm-guset-vm, must need vm-bridge has ip address
fence_xvm -o list

pcs property set stonith-enabled=true

pcs stonith create fence1 fence_xvm multicast_address=225.0.0.12
pcs stonith create fence2 fence_xvm multicast_address=225.0.0.12

pcs stonith show
pcs stonith fence vm2

# fence_xvm on openvswtich networking
## add tap on physical host
ip link add br-tap100 type veth peer name tap100
ovs-vsctl add-port br100 br-tap100
ovs-vsctl set port br-tap100 tag=200
ip addr add 192.168.20.11/24 dev tap100
ip link set tap100 up
ip link set br-tap100 up

## fence_virtd -c and cat /etc/fence_virt.conf
fence_virtd {
        listener = "multicast";
        backend = "libvirt";
        module_path = "/usr/lib64/fence-virt";
}

listeners {
        multicast {
                key_file = "/etc/cluster/fence_xvm.key";
                address = "225.0.0.12";
                interface = "tap100";
                family = "ipv4";
                port = "1229";
        }

}

backends {
        libvirt {
                uri = "qemu:///system";
        }

}