Live Migration

0.Testbed Architecture

1.Config Xen

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

2.Command

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

3.Theory of Live Migration

Reference

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

Error message

xen01

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

  check loop module