[[PageOutline]]
= Live Migration =

== 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