Hi, guys. the prototype of select_hosts is def select_hosts(self, ctxt, request_spec, filter_properties): .... 1 I want to use this method to get a live, can-accept-instances-to-evacuate, compute node. Is scheduler can meet my request? 2 what's the format of parameter request_spec? Thanks -------------- next part -------------- An HTML attachment was scrubbed... URL: <http://lists.openstack.org/pipermail/openstack/attachments/20130712/c7cbca05/attachment.html>