Reference Guide

Table 23. Memory (continued)
Property Description
● .. = DMTF Reserved
● 0x8000.. = Vendor Reserved
Primordial If true, Primordial indicates that the containing System does
not have the ability to create or delete this operational
element. This is important because StorageExtents are
assembled into higher-level abstractions using the BasedOn
association. Although the higher-level abstractions can be
created and deleted, the most basic, (that is, primordial),
hardware-based storage entities cannot. They are physically
realized as part of the System, or are actually managed by
some other System and imported as if they were physically
realized. In other words, a Primordial StorageExtent exists
in, but is not created by its System and conversely a non-
Primordial StorageExtent is created in the context of its
System. For StorageVolumes, this property will generally
be false. One use of this property is to enable algorithms
that aggregate StorageExtent. ConsumableSpace across all,
StorageExtents but that also want to distinquish the space
that underlies Primordial StoragePools. Since implementations
are not required to surface all Component StorageExtents of
a StoragePool, this information is not accessible in any other
way. Purpose A free form string describing the media and/or
its use. RedundancyConfiguration is an integer enumeration
indicating the redundancy configuration when active memory
fails. Possible values are:
● 0 = Unknown
● 1 = Other
● 2 = Disabled
● 3 = Spared
● 4 = Mirrored
● 5 = LockStep
RequestedState
An integer enumeration that indicates the last requested or
desired state for the element, irrespective of the mechanism
through which it was requested. The actual state of the
element is represented by EnabledState. This property is
provided to compare the last requested and current enabled
or disabled states.
NOTE: When EnabledState is set to 5 (Not Applicable),
then this property has no meaning. Refer to the
EnabledState property description for explanations of the
values in the RequestedState enumeration.
NOTE: The value No Change (5) has been deprecated
instead of indicating the last requested state is Unknown
(0). If the last requested or desired state is unknown,
RequestedState should have the value Unknown (0), but
may have the value No Change (5). There are two new
values in RequestedState that build on the statuses of
EnabledState. These are Reboot (10) and Reset (11).
Shut Down requests an orderly transition to the Disabled
state, and may involve removing power, to completely
erase any existing state. The Disabled state requests an
immediate disabling of the element, such that it will not
execute or accept any commands or processing requests.
This property is set as the result of a method invocation
(such as Start or StopService on CIM_Service), or can be
overridden and defined as WRITEable in a subclass. The
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