On each node, configure lvm to ignore drbd devices and to prefer
{{{/dev/cciss}}} devices names over {{{/dev/block}}} device names
-([[http://code.google.com/p/ganeti/issues/detail?id=93|why?]]):
+([[https://code.google.com/p/ganeti/issues/detail?id=93|why?]]):
{{{
ssed -i \