Same problem here... I'm installing Grizzly from Ubuntu PPA (grizzly- trunk-testing) and my nova-scheduler.log shows up:
2013-03-15 16:39:11.205 858 CRITICAL nova [-] No module named simple 2013-03-15 16:39:11.205 858 TRACE nova Traceback (most recent call last): 2013-03-15 16:39:11.205 858 TRACE nova File "/usr/bin/nova-scheduler", line 54, in <module> 2013-03-15 16:39:11.205 858 TRACE nova topic=CONF.scheduler_topic) 2013-03-15 16:39:11.205 858 TRACE nova File "/usr/lib/python2.7/dist-packages/nova/service.py", line 534, in create 2013-03-15 16:39:11.205 858 TRACE nova db_allowed=db_allowed) 2013-03-15 16:39:11.205 858 TRACE nova File "/usr/lib/python2.7/dist-packages/nova/service.py", line 413, in __init__ 2013-03-15 16:39:11.205 858 TRACE nova self.manager = manager_class(host=self.host, *args, **kwargs) 2013-03-15 16:39:11.205 858 TRACE nova File "/usr/lib/python2.7/dist-packages/nova/scheduler/manager.py", line 65, in __init__ 2013-03-15 16:39:11.205 858 TRACE nova self.driver = importutils.import_object(scheduler_driver) 2013-03-15 16:39:11.205 858 TRACE nova File "/usr/lib/python2.7/dist-packages/nova/openstack/common/importutils.py", line 40, in import_object 2013-03-15 16:39:11.205 858 TRACE nova return import_class(import_str)(*args, **kwargs) 2013-03-15 16:39:11.205 858 TRACE nova File "/usr/lib/python2.7/dist-packages/nova/openstack/common/importutils.py", line 30, in import_class 2013-03-15 16:39:11.205 858 TRACE nova __import__(mod_str) 2013-03-15 16:39:11.205 858 TRACE nova ImportError: No module named simple 2013-03-15 16:39:11.205 858 TRACE nova -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1103202 Title: grizzly scheduler can not start with import error To manage notifications about this bug go to: https://bugs.launchpad.net/nova/+bug/1103202/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs