Live Migration

Author: Rock Kuo

0.Testbed Architecture

• config DRBL client

  * rm /tftpboot/boot
  $ mkdir /tftpboot/boot
  $ cp /boot/*xen* /tftpboot/node_root/boot
  

1.Config Xen

$ sudo vim /etc/xen/xend-config.sxp
(xend-relocation-server yes)
(xend-relocation-address '')
(xend-relocation-hosts-allow '')

2.Command

= xen =
$ xm migrate --live vm01 xen01
$ xm list
= xen01=
$ xm list

3.Theory of Live Migration

4.Reference

• Christopher C., Keir F., Steven H., Jacob G. H., Live migration of virtual machines, 2005

5.Error message

• xen01
  • VmError: Device 2049 (vbd) could not be connected. Backend device not found.

    check loop module
    

• vm01 in xen01
  • netfront: device eth0 has flipping receive path