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software:rnotes:rn-rel4.4beta2 [2013/11/18 13:56] – tinovasoftware:rnotes:rn-rel4.4beta2 [2013/11/18 14:25] – [Supported Platform Components] nacho
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 **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.  **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. 
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-OpenNebula Retina includes support for multiple system datastores, which enables a much more efficient usage of the storage resources for running Virtual Machines. This feature ships with different scheduling policies for storage load balancing, intended to instruct OpenNebula to spread the running Virtual Machines across different storage mediums to optimize their use. This translates in the ability to define more than one disk (or other backend) to hold running VMs in a particular cluster. Monitorization subsystem in OpenNebula underwent a major redesign as well, effectively switching from a pulling mechanism to a pushing model, with the implications in scalability improvements. 
  
 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. 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.
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 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. 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.
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 +Moreover, this version of OpenNebula handles Ceph backends with libvirt versions > 1.0.
  
 To upgrade, follow the standard [[http://www.opennebula.org/documentation:rel4.4:upgrade|upgrade procedure]] described in the documentation.  To upgrade, follow the standard [[http://www.opennebula.org/documentation:rel4.4:upgrade|upgrade procedure]] described in the documentation. 
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 ====== Migrating from OpenNebula 4.2 ====== ====== Migrating from OpenNebula 4.2 ======
  
-For a complete set of changes to migrate from a 4.2 installation please refer to the [[documentation:rel4.4:compatibility|Compatibility Guide]]. To upgrade, follow the standard [[http://www.opennebula.org/documentation:rel4.4:upgrade|upgrade procedure]] described in the documentation. +For a complete set of changes to migrate from a 4.2 installation please refer to the [[documentation:rel4.4:compatibility|Compatibility Guide]]. To upgrade, follow the standard [[http://www.opennebula.org/documentation:rel4.4:upgrade|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 [[http://downloads.opennebula.org|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 [[http://dev.opennebula.org/|development portal]] or at the [[http://www.opennebula.org/community:mailinglists|mailing list]]. 
 + 
 +The documentation of OpenNebula 4.4 [[http://opennebula.org/documentation:rel4.4|can be found here]]. 
 + 
 +====== Known Issues ====== 
 + 
 +Find [[http://dev.opennebula.org/projects/opennebula/issues?query_id=41|here]] the list of known issues in the Beta 2, to be corrected for the final release. 
 + 
 + 
 + 
 + 
 +====== Acknowledgements ====== 
 + 
 +The OpenNebula project would like to thank the [[http://www.opennebula.org/about:contributors|community members]] and [[http://www.opennebula.org/users:users|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 [[http://www.opennebula.org/about:about|about the project]] can be found at [[http://www.opennebula.org|the project web page]]. You may be also interested in checking the [[http://www.opennebula.org/software:ecosystem|OpenNebula Ecosystem]] that includes many interesting projects contributed by the community to enhance or add new features to OpenNebula. 
 +