association CIM_PSExtentBasedOnPExtent : CIM_BasedOn

Description:

Covered by ProtectedExtentBasedOn or CompositeExtentBasedOn, since PhysicalExtent itself is deprecated in lieu of these associations. ProtectedSpaceExtents are BasedOn a PhysicalExtent. This relationship is made explicit by this association.

Definition:

Feature Type Class Origin Qualifiers
Antecedent CIM_PhysicalExtent CIM_Dependency
Deprecated CIM_CompositeExtentBasedOn.Antecedent, CIM_ProtectedExtentBasedOn.Antecedent
Override Antecedent
Description The PhysicalExtent.
Key TRUE
Dependent CIM_ProtectedSpaceExtent CIM_Dependency
Deprecated CIM_CompositeExtentBasedOn.Dependent, CIM_ProtectedExtentBasedOn.Dependent
Override Dependent
Description The ProtectedSpaceExtent which is built on the Physical Extent.
Key TRUE
StartingAddress uint64 CIM_BasedOn
Deprecated CIM_CompositeExtentBasedOn.StartingAddress, CIM_ProtectedExtentBasedOn.StartingAddress
Override StartingAddress
Description The starting logical block address of the PhysicalExtent from which this ProtectedSpaceExtent is derived.
MappingStrings MIF.DMTF|Protected Space Extent|001.2
EndingAddress uint64 CIM_BasedOn
Description EndingAddress indicates where in lower level storage, the higher level Extent ends. This property is useful when mapping non-contiguous Extents into a higher level grouping.
OrderIndex uint16 CIM_BasedOn
Description If there is an order to the BasedOn associations that describe how a higher level StorageExtent is assembled, the OrderIndex property indicates this. When an order exists, the instances of BasedOn with the same Dependent value (i.e., the same higher level Extent) should place unique values in the OrderIndex property. The lowest value implies the first member of the collection of lower level Extents, and increasing values imply successive members of the collection. If there is no ordered relationship, a value of zero should be specified. An example of the use of this property is to define a RAID-0 striped array of 3 disks. The resultant RAID array is a StorageExtent that is dependent on (BasedOn) the StorageExtents that describe each of the 3 disks. The OrderIndex of each BasedOn association from the disk Extents to the RAID array could be specified as 1, 2 and 3 to indicate the order in which the disk Extents are used to access the RAID data.

Typographical Conventions:

  1. Inherited properties are italicized.
  2. Local properties are bolded.
  3. Key properties are highlighted in gold

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