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Subject: Info on State vs Status in the DMTF CIM Schema


Title: Message
DMTF's schema distinguishes between status and state.  I have included both properties and their enums here. 
 
EnabledState, Default = 5
     0 = "Unknown", 1 = "Other", 2 = "Enabled",
     3 = "Disabled", 4 = "Shutting Down", 5 = "Not Applicable",
     6 = "Enabled but Offline", 7 = "In Test", 8 = "Deferred",
     9 = "Quiesce", 10 = "Starting", 11 + up = "Reserved"
 
"EnabledState is an integer enumeration that indicates the enabled/disabled states of an element. It can also indicate the transitions between these requested states. For example, shutting down (value = 4) and starting (value=10) are transient states between enabled and disabled. The following text briefly summarizes the various enabled/disabled states:
     - Enabled (2) indicates that the element is/could be executing commands,
       will process any queued commands, and queues new requests.
     - Disabled (3) indicates that the element will not execute commands and
       will drop any new requests.
     - Shutting Down (4) indicates that the element is in the process of going to a Disabled state.
     - Not Applicable (5) indicates the element doesn't support being enabled/disabled.
     - Enabled but Offline (6) indicates that the element may be completing
       commands, and will drop any new requests.
     - Test (7) indicates that the element is in a test state.
     - Deferred (8) indicates that the element may be completing commands,
       but will queue any new requests.
     - Quiesce (9) indicates that the element is enabled but in a restricted mode.
       The element's behavior is similar to the Enabled state, but it only processes a
       restricted set of commands. All other requests are queued.
     - Starting (10) indicates that the element is in the process of going to an
       Enabled state. New requests are queued."
 
 
OperationalStatus - An array
     0 = "Unknown", 1="Other", 2="OK", 3="Degraded",
     4="Stressed", 5="Predictive Failure", 6="Error", 
     7="Non-Recoverable Error", 8="Starting", 9="Stopping",
     10="Stopped", 11="In Service", 12="No Contact",
     13="Lost Communication", 14="Aborted", 15="Dormant",
     16="Supporting Entity in Error", 17="Completed",
     18="Power Mode"
 
"Indicates the current status(es) of the element. Various health and operational statuses are defined. Many of the enumeration's values are self- explanatory. However, a few are not and are described in more detail.
     - \"Stressed\" indicates that the element is functioning, but needs attention.
       Examples of \"Stressed\" states are overload, overheated, etc.
     - \"Predictive Failure\" indicates that an element is functioning nominally but
       predicting a failure in the near future.
     - \"In Service\" describes an element being configured, maintained, cleaned,
       or otherwise administered.
     - \"No Contact\" indicates that the monitoring system has knowledge of this element,
       but has never been able to establish communications with it.
     - \"Lost Communication\" indicates that the ManagedSystemElement is known to
       exist and has been contacted successfully in the past, but is currently unreachable.
     - \"Stopped\" and \"Aborted\" are similar, although the former implies a clean and
       orderly stop, while the latter implies an abrupt stop where the element's state
       and configuration may need to be updated.
     - \"Dormant\" indicates that the element is inactive or quiesced.
     - \"Supporting Entity in Error\" describes that this element may be \"OK\" but that
       another element, on which it is dependent, is in error. An example is a network
       service or endpoint that cannot function due to lower layer networking problems.
     - \"Completed\" indicates the element has completed its operation. This value
       should be combined with either OK, Error, or Degraded so that a client can tell
       if the complete operation passed (Completed with OK), and failure (Completed with Error).
       Completed with Degraded would imply the operation finished, but did not complete
       OK or report an error.
     - \"Power Mode\" indicates the element has additional power model information
       contained in the AssociatedPowerManagementService association.
 
 
Andrea
 


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