Revision 6414296b

b/doc/design-storagespace.rst
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Add a new attribute "enabled_storage_types" (type: list of strings) to the


  		





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cluster config which holds the types of storages, for example, "plain", "drbd",


  		





  
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cluster config which holds the types of storages, for example, "file", "rados",


  		





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or "ext". We consider the first one of the list as the default type.


  		





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For file storage, we'll report the storage space on the file storage dir,


  		





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of how the free space is computed is not in the scope of this design.


  		





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But the ``node info`` call contains the value of the


  		





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``exclusive_storage`` flag, which is currently only meaningful for the


  		





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LVM back-end. Additional flags like the ``external_storage`` flag


  		





  
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LVM back-end. Additional flags like the ``exclusive_storage`` flag


  		





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for lvm might be useful for other storage types as well. We therefore


  		





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extend the RPC call with <type>,<key> to <type>,<key>,<params> to


  		





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include any storage-type specific parameters in the RPC call.


  		












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