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Current Restrictions

The following are known restrictions for the service for the users. The aim is to resolve these with the relevant open source community.

  • Security groups for virtual machines under OpenStack are currently not configured on the Meyrin Datacentre. The default rule therefore lets all traffic and the VMs should be configured to using iptables to control access to the TCP/IP ports
  • OpenStack currently doesn’t support the Privacy Extensions defined by RFC 4941, or the Opaque Identifier generation methods defined in RFC 7217 More info
  • Not all OpenStack features have been configured in the CERN cloud. The following is a non-exhaustive list.
    • Instance shelving and unshelving
    • Resizing Virtual Machines
    • OpenStack services other than those covered in the documentation are not configured.