172
edits
Changes
reason 3 added: tun device in VE
* http://bugzilla.openvz.org/show_bug.cgi?id=552
* http://forum.openvz.org/index.php?t=tree&goto=14780&#msg_14780
== Reason #3 ==
=== Symptomps ===
After giving <tt>vzmigrate -v --online <ip address> <veid></tt>
the following message appears:
<pre>
Dumping VE
Setting up checkpoint...
join context..
dump...
Can not dump VE: Device or resource busy
unsupported netdevice tun0
Checkpointing failed
Error: Failed to dump VE
</pre>
=== Reason ===
Checkpointing doesn't support <tt>tun</tt> device inside VE, which is usually used
for [[VPN via the TUN/TAP device]] in VE.
=== Workaround ===
You should not use <tt>tun</tt> device in VE to migrate it.
=== Links ===
* http://bugzilla.openvz.org/show_bug.cgi?id=642
* http://forum.openvz.org/index.php?t=tree&goto=14826&#msg_14826
[[Category:Troubleshooting]]
