wiki:Xen_Live_Migration

Version 11 (modified by rock, 16 years ago) (diff)

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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

migration timline

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

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