OpenNebula 4.4 Beta 2 (4.3.85) Retina

18th November 2013. The OpenNebula project announces the availability of OpenNebula 4.4 Beta2 (4.3.85) Retina, the second preview of the upcoming OpenNebula 4.4.

With this release, the code base of OpenNebula 4.4 is feature freeze and the team will concentrate its efforts on polishing and bug fixing.

The OpenNebula team wants also to thank all the feedback received for the previous beta release. Keep testing!

What's new in OpenNebula 4.4

What's new in OpenNebula 4.4 Beta 2

This beta release includes many bug fixes, and stabilizes the OpenNebula 4.4 Retina code base. The following list contains the features and bugs worked on in this Beta 2 release:

  • Feature #1796: Improve Ceph integration
  • Feature #2454: Add IPv6 support to noVNC
  • Feature #2455: Do not recreate the vnc tokens dir if it already exists
  • Feature #2459: Configure which Image/DS/Network attributes are copied to instantiated VMs
  • Feature #2449: Simplify log output in sched.log
  • Feature #2391: Add DNS search domain to context packages
  • Feature #2446: Change shared_lvm driver name to fs_lvm
  • Feature #2183: Improved init scripts for all platforms
  • Feature #2406: Inconsistent log level for resource monitorization
  • Feature #2413: Add EHx_MAC context attribute for CONTEXT/NETWORK=YES
  • Feature #2439: Improve error message info when there is no system datastore in the cluster
  • Bug #1757: novnc console sometimes bound to wrong vnc port with xen
  • Bug #2047: Add NIC/BRIDGE as a default restricted attribute
  • Bug #2108: LVM datastore clone script doesn't work if hostname contains a dot
  • Bug #2144: perform rollback of attach new disk on failure
  • Bug #2172: NIC Hot Plug with OpenVSwitch not working
  • Bug #2278: Reset cpu and memory monitorization to 0 when the VM exits the running state
  • Bug #2444: Fixes in FS_LVM drivers
  • Bug #2459: Define image, ds and vnet attributes to be inherited to the VM disk or nic sections
  • Bug #2442: Change default oned.conf timers for monitorization and history expiration
  • Bug #2285: VM template unescape function eats all backslashes
  • Bug #2411: Debian contextualization scripts runs on all runlevels
  • Bug #2440: onevm delete moves pending save-as images to ready instead of error.
  • Several Sunstone bugfixes and feature enhancements: Bug #2443, Feature #2445, Bug #2448, Bug #2255

Migrating from OpenNebula 4.4 Beta 1

It is important to note that in this Beta 2, the name of the shared_lvm storage driver has been changed to to fs_lvm. Moreover, after installation execute onehost sync to update the new drivers in the hosts.

Moreover, this version of OpenNebula handles Ceph backends with libvirt versions > 1.0.

To upgrade, follow the standard upgrade procedure described in the documentation.

Migrating from OpenNebula 4.2

For a complete set of changes to migrate from a 4.2 installation please refer to the Compatibility Guide. To upgrade, follow the standard upgrade procedure described in the documentation.

Getting the Software & Documentation

OpenNebula is released under the Apache 2.0 open source license. The complete source tree and binary packages for OpenNebula can be downloaded here.

Packages are available for various distros: Ubuntu LTS and latest, CentOS, OpenSUSE and Debian.

Please report any bug or send feedback at the development portal or at the mailing list.

The documentation of OpenNebula 4.4 can be found here.

Known Issues

Find here the list of known issues in the Beta 2, to be corrected for the final release.


The OpenNebula project would like to thank the community members and users who have contributed to this software release by being active with the discussions, answering user questions, or providing patches for bugfixes, features and documentation.

About OpenNebula

More information about the project can be found at the project web page. You may be also interested in checking the OpenNebula Ecosystem that includes many interesting projects contributed by the community to enhance or add new features to OpenNebula.