本文所记录的报错，是笔者操作中遇到的，如果没有在本文中没有你操作中的错误，还是查看日志/var/log/ 会有virt-p2v8897877989.log 等这样的日志。
P2v 报错
virsh pool-define-as kvm_final --type dir --target /kvm/ pool kvm_final defined
error: Failed to reconnect to the hypervisor
error: no valid connection
error: Failed to connect socket to ‘/var/run/libvirt/libvirt-sock‘: No such file or directory
[[email protected] opt]# virsh pool-define-as kvm_final --type dir --target /kvm/ pool kvm_final defined
error: Failed to reconnect to the hypervisor
error: no valid connection
error: Failed to connect socket to ‘/var/run/libvirt/libvirt-sock‘: No such file or directory
问题：
error: Failed to reconnect to the hypervisor
error: no valid connection
error: Failed to connect socket to ‘/var/run/libvirt/libvirt-sock‘: No such file or directory
Further investigation found avahi was needed for this to work. The final fix was running
解决方法：
yum -y install avahi
/etc/init.d/messagebus restart
/etc/init.d/avahi-daemon restart
/etc/init.d/libvirtd restart
/sbin/chkconfig messagebus on
/sbin/chkconfig avahi-daemon on
问题：
virt-v2v: virt-v2v: Failed to launch guestfs appliance. Try running again with LIBGUESTFS_DEBUG=1 for more information
解决方法：
[[email protected] etc]# /etc/init.d/libvirtd restart
Stopping libvirtd daemon: [ OK ]
Starting libvirtd daemon: 2016-07-05 16:30:28.714+0000: 19398: info : libvirt version: 0.10.2, package: 60.el6 (CentOS BuildSystem <http://bugs.centos.org>, 2016-05-11-04:19:11, worker1.bsys.centos.org)
2016-07-05 16:30:28.714+0000: 19398: warning : virGetHostname:2279 : getaddrinfo failed for ‘vcmy-p2v‘: No address associated with hostname
[ OK ]
[[email protected] etc]# vi /etc/hosts
127.0.0.1 localhost localhost.localdomain localhost4 localhost4.localdomain4
::1 localhost localhost.localdomain localhost6 localhost6.localdomain6
192.168.31.207 vcmy-p2v
解决方法：运行
1、libguestfs-test-tool
2、ln -s /usr/bin/qemu-kvm /usr/libexec/qemu-kvm
3、给/etc/virt-v2v.conf 权限 chmod 777 /etc/virt-v2v.confi
virt-v2v: virt-v2v: Unable to parse config file /etc/virt-v2v.conf:
mismatched tag at line 95, column 2, byte 2421 at /usr/lib64/perl5/XML/Parser.pm line 187
