CIM_VolumeSet represents a contiguous range of logical blocks presented to the operating environment for reading and writing ...

CIM_VolumeSet represents a contiguous range of logical blocks presented to the operating environment for reading and writing user data.  Volume sets shall not overlap one another. They are based on one or more physical extents, protected space extents, or aggregate extents (all of the same type). These based on associations should be instantiated or subclassed as needed.