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This is the complete Synnefo Administrator's Guide.
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.. _syn+archip:


  		





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General Synnefo Architecture


  		





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============================


  		





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The following graph shows the whole Synnefo architecture and how it interacts


  		





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with multiple Ganeti clusters. We hope that after reading the Administrator's


  		





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Guide you will be able to understand every component and all the interactions


  		





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between them. It is a good idea to first go through the Administrator's Guide


  		





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before proceeding.


  		





  
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The following figure shows a detailed view of the whole Synnefo architecture


  		





  
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and how it interacts with multiple Ganeti clusters. We hope that after reading


  		





  
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the Administrator's Guide you will be able to understand every component and


  		





  
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all the interactions between them.


  		





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.. image:: images/synnefo-arch2.png


  		





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   :width: 100%


  		





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   :target: _images/synnefo-arch2.png


  		





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Synnefo also supports RADOS as an alternative storage backend for


  		





  
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Files/Images/VM disks. You will find the :ref:`corresponding figure


  		





  
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<syn+archip+rados>` later in this guide.


  		





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Identity Service (Astakos)


  		












  

    
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settings dynamically as components are getting added or removed from a physical


  		





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node. All settings are stored in a single location.


  		





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.. _general-arch:


  		





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Synnefo General Architecture


  		





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============================


  		





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The following graph shows the whole Synnefo architecture and how it interacts


  		





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with multiple Ganeti clusters.


  		





  
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The following graph shows the whole Synnefo stack and how it interacts with


  		





  
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multiple Ganeti clusters and the storage backends. Synnefo decouples the cloud


  		





  
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from the cluster layer enhancing robustness, stability and ease of


  		





  
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administration. As shown in the figure below, Synnefo sits on the cloud layer:


  		





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.. image:: images/synnefo-arch2.png


  		





  
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.. image:: images/snf-architecture.png


  		





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   :width: 100%


  		





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   :target: _images/synnefo-arch2.png


  		





  
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   :target: _images/snf-architecture.png


  		





  
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Synnefo manages multiple Ganeti clusters and different kind of storage backends


  		





  
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such as a Ceph/RADOS cluster or an NFS-based backend.


  		





  
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For an extensive view of all components and APIs between them, please take a


  		





  
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look at the Admin Guide's :ref:`corresponding figure <syn+archip>`.


  		





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Synnefo also supports RADOS as an alternative storage backend for


  		





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Files/Images/VM disks. :ref:`Here <syn+archip+rados>` is a graph that shows


  		





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Synnefo running with two different storage backends.


  		





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Synnefo Guides


  		





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==============


  		












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