I'm experiencing similar symptoms. After a little debugging, this is what I think is happening:
As Admin user, in get_volumes_data of IndexView, 2 lists are created: 'volumes' and 'instances'. 'Volumes' appears to have a global scope, but 'instances' is tenant-specific. The view attempts to iterate through 'volumes' (more specifically, their attachments), matching each volume's server_id to a server in 'instances', and fails with a KeyError for the first volume from a different tenant. -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/995079 Title: Internal server error when accessing nova/instances_and_volumes/ via horizon To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/horizon/+bug/995079/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs