// Copyright (c) 2005 DMTF.  All rights reserved.
   [Version ( "2.7.0" ), 
    UMLPackagePath ( "CIM::Device::StorageExtents" ), 
    Description ( 
       "A CompositeExtent is used to model the distribution of user "
       "data across one or more underlying StorageExtents, which may "
       "or not be protected by some redundancy mechanism. "
       "CompositeExtents represent a contiguous range of logical "
       "blocks. CompositeExtents may overlap, however, the underlying "
       "StorageExtents within the overlap shall not contain any check "
       "data. Distribution of check data may be specified using the "
       "CompositeExtentBasedOn association." )]
class CIM_CompositeExtent : CIM_StorageExtent {

      [Override ( "NumberOfBlocks" ), 
       MappingStrings { "MIF.DMTF|Volume Set|001.3" }]
   uint64 NumberOfBlocks;

      [Description ( 
          "Number of contiguous underlying StorageExtents counted "
          "before looping back to the first underlying "
          "StorageExtent of the current stripe. It is the number of "
          "StorageExtents forming the user data stripe." ), 
       MappingStrings { "MIF.DMTF|Volume Set|001.4" }]
   uint64 ExtentStripeLength;

      [Description ( 
          "Number of StorageExtents to stripe as a collective set. "
          "In SCC, this value is defined as the number of stripes "
          "to count before continuing to map into the next "
          "contiguous set of Extents, beyond the current stripe." ), 
       MappingStrings { "MIF.DMTF|Volume Set|001.5" }]
   uint64 ExtentInterleaveDepth;

      [Description ( 
          "True indicates that the data is concatenated across the "
          "various StorageExtents in the Group." )]
   boolean IsConcatenated;


};