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software:rnotes:rn-rel4.4beta [2013/11/07 15:43] nachosoftware:rnotes:rn-rel4.4beta [2014/01/07 11:47] (current) – external edit 127.0.0.1
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 <html><div><p class="bigheader">OpenNebula 4.4 Beta (4.3.80) Retina</p></div></html> <html><div><p class="bigheader">OpenNebula 4.4 Beta (4.3.80) Retina</p></div></html>
  
-**Nov 7th, 2013**. The OpenNebula team is pleased to announce a beta release of OpenNebula 4.4 codename Retina. As a project driven by user needs, this release includes important features that meet real demands from production environments, with a focus on storage optimization, monitorizationhybrid cloud support and public cloud interfaces.+**Nov 7th, 2013**. The OpenNebula team is pleased to announce a beta release of OpenNebula 4.4 codename Retina. As a project driven by user needs, this release includes important features that meet real demands from production environments, with a focus on optimization of storagemonitoring, cloud bursting, and public cloud interfaces.
  
-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 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.+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.
  
 An important effort has been made in the hybrid cloud model (cloud bursting). Using the AWS API tools have been deprecated in favor of the new Ruby SDK released, which allows the support of new AWS mechanisms like for instance IAM. Also, now is possible to fully support hybrid VM templates. Moreover, the AWS public cloud interface implemented by OpenNebula has been revisited and extended to support new functionality, as well as improved so the instance types are offered to the end user from OpenNebula templates. An important effort has been made in the hybrid cloud model (cloud bursting). Using the AWS API tools have been deprecated in favor of the new Ruby SDK released, which allows the support of new AWS mechanisms like for instance IAM. Also, now is possible to fully support hybrid VM templates. Moreover, the AWS public cloud interface implemented by OpenNebula has been revisited and extended to support new functionality, as well as improved so the instance types are offered to the end user from OpenNebula templates.
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 A detailed upgrade process can be found in the documentation. For a complete set of changes to migrate from a 4.4 installation please refer to the [[documentation:rel4.4:compatibility|Compatibility Guide]]. A detailed upgrade process can be found in the documentation. For a complete set of changes to migrate from a 4.4 installation please refer to the [[documentation:rel4.4:compatibility|Compatibility Guide]].
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 +:!: After OpenNebula upgrade make use you run [[.::img#probe_execution|onehost sync]] to update monitoring probes.
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 ====== Getting the Software & Documentation ====== ====== Getting the Software & Documentation ======