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+// Copyright (c) 2008 DMTF. All rights reserved.
+ [Version ( "2.18.0" ),
+ UMLPackagePath ( "CIM::Core::Redundancy" ),
+ Description (
+ "A class derived from SystemSpecificCollection that is a "
+ "special collection of ManagedElements. This collection "
+ "indicates that the aggregated elements together provide "
+ "redundancy, or that redundancy is provided via sparing. All "
+ "elements collected in a RedundancySet SHOULD be instantiations "
+ "of the same object class." )]
+class CIM_RedundancySet : CIM_SystemSpecificCollection {
+
+ [Description (
+ "RedundancyStatus provides information on the state of "
+ "the RedundancyGroup. \'Fully Redundant\' (value=2) means "
+ "that all of the configured redundancy is still "
+ "available; \'Degraded Redundancy\' (3) means that some "
+ "configured elements are degraded, missing or failed but "
+ "that the number of elements in the set is still greater "
+ "than the minimum required (\'MinNumberNeeded\'); "
+ "\'Redundancy Lost\' (4) means that sufficient configured "
+ "elements are missing or failed that no redundancy is "
+ "available and the next failure experienced will cause "
+ "overall failure. \'Overall Failure\' (5) means that "
+ "there has been an overall failure of the RedundancySet." ),
+ ValueMap { "0", "1", "2", "3", "4", "5" },
+ Values { "Unknown", "DMTF Reserved", "Fully Redundant",
+ "Degraded Redundancy", "Redundancy Lost", "Overall Failure" },
+ ModelCorrespondence { "CIM_RedundancySet.MinNumberNeeded" }]
+ uint16 RedundancyStatus;
+
+ [Description (
+ "TypeOfSet provides information on the type of "
+ "redundancy. N+1 (=2) indicates all members are active, "
+ "are unaware and function independent of one another. "
+ "However, there exist at least one extra member to "
+ "achieve functionality. \'Sparing\' is implied (i.e. each "
+ "member can be a spare for the other(s). An example of "
+ "N+1 is a system that has 2 power supplies, but needs "
+ "only 1 power supply to functioning properly. N+1 is a "
+ "special case of N+M redundancy where M=1. A value of N+1 "
+ "(=2) shall be used for N+M redundancy. - Load Balanced "
+ "(=3) indicates all members are active. However, there "
+ "functionality is not independent of each other. Their "
+ "functioning is determined by some sort of load balancing "
+ "algrothim (implemented in hardware and/or software). "
+ "\'Sparing\' is implied (i.e. each member can be a spare "
+ "for the other(s). \n"
+ "- Sparing (=4) indicates that all members are active and "
+ "are aware of each others. However, their functionality "
+ "is independent until failover. Each member can be a "
+ "spare for the other(s). \n"
+ "- Limited Sparing (=5) indicates that all members are "
+ "active, and they may or may not be aware of each and "
+ "they are not spares for each other. Instead, their "
+ "redundancy is indicated by the IsSpare relationship." ),
+ ValueMap { "0", "1", "2", "3", "4", "5", "..", "0x8000.." },
+ Values { "Unknown", "Other", "N+1", "Load Balanced",
+ "Sparing", "Limited Sparing", "DMTF Reserved",
+ "Vendor Reserved" },
+ ArrayType ( "Indexed" ),
+ ModelCorrespondence { "CIM_RedundancySet.OtherTypeOfSet" }]
+ uint16 TypeOfSet[];
+
+ [Description (
+ "MinNumberNeeded indicates the smallest number of "
+ "elements that MUST be operational in order to function. "
+ "For example, in an N+1 redundancy relationship, the "
+ "MinNumberNeeded property is set equal to N. In a "
+ "\'LimitedSparing\' environment, this property is "
+ "meaningless and SHOULD be set to zero." ),
+ MinValue ( 0 )]
+ uint32 MinNumberNeeded;
+
+ [Description (
+ "MaxNumberSupported indicates the largest number of "
+ "elements that can participate in the RedundancySet. A "
+ "value of 0 indicates there is no limit on the number of "
+ "elements." )]
+ uint32 MaxNumberSupported;
+
+ [Description (
+ "VendorIdentifyingInfo captures the vendor identifying "
+ "data for the RedundancySet. One example is the product "
+ "name for a cluster." )]
+ string VendorIdentifyingInfo;
+
+ [Description (
+ "When the corresponding array entry in TypeOfSet[] is "
+ "\'Other\', this entry provides a string describing the "
+ "type of set." ),
+ ArrayType ( "Indexed" ),
+ ModelCorrespondence { "CIM_RedundancySet.TypeOfSet" }]
+ string OtherTypeOfSet[];
+
+ [Write, Description (
+ "The current load balance algorithm. \n"
+ "Least Blocks, Least IO, and Address Region are used in "
+ "storage device path redundancy drivers to optimize load "
+ "balancing by routing requests to a path with the least "
+ "queued blocks or IO requests, or based on locality of "
+ "reference. \n"
+ "\'Product Specific\' indicates that the algorithm is "
+ "optimized for a particular type of product. Information "
+ "about that product SHOULD be provided in an associated "
+ "CIM_Product instance." ),
+ ValueMap { "0", "1", "2", "3", "4", "5", "6", "7" },
+ Values { "Unknown", "Other", "No Load Balancing",
+ "Round Robin", "Least Blocks", "Least IO",
+ "Address Region", "Product Specific" },
+ ModelCorrespondence {
+ "CIM_RedundancySet.OtherLoadBalanceAlgorithm" }]
+ uint16 LoadBalanceAlgorithm = 2;
+
+ [Write, Description (
+ "When LoadBalanceAlgorithm is Other, this property "
+ "describes the algorithm." ),
+ ModelCorrespondence { "CIM_RedundancySet.LoadBalanceAlgorithm" }]
+ string OtherLoadBalanceAlgorithm;
+
+
+ [Description (
+ "This method forces a failover from one ManagedElement to "
+ "another. There are two parameters to the Failover "
+ "method. \n"
+ "- FailoverFrom is a reference to an \'active\' "
+ "ManagedElement that will become inactive after the "
+ "method. This element SHOULD be part of the RedundancySet "
+ "via a MemberOfCollection relationship. \n"
+ "- FailoverTo is a reference to the ManagedElement that "
+ "will take over for the FailoverFrom element. This "
+ "element SHOULD either be a member of the RedundancySet "
+ "or be associated with the RedundancySet via an IsSpare "
+ "relationship. \n"
+ "\n"
+ "Upon sucessful completion: \n"
+ "- the FailoverTo element SHOULD be associated to the "
+ "RedundancySet via MemberOfCollection. \n"
+ "- the FailFrom element SHOULD either still be associated "
+ "to the RedundandySet via MemberOfCollection with a "
+ "OperationalStatus or EnableState that indicates it not "
+ "active, or it SHOULD be associated to the \'Spared\' "
+ "collection via the MemberOfCollection association." ),
+ ValueMap { "0", "1", "2", "3", "4", "..", "32768..65535" },
+ Values { "Completed with No Error", "Not Supported",
+ "Unknown/Unspecified Error", "Busy/In Use",
+ "Paramter Error", "DMTF Reserved", "Vendor Reserved" }]
+ uint32 Failover(
+ [IN, Description (
+ "The primary ManagedSystemElement that will become "
+ "inactive after the method." )]
+ CIM_ManagedElement REF FailoverFrom,
+ [IN, Description (
+ "The ManagedSystemElement that will take over from "
+ "the primary MSE." )]
+ CIM_ManagedElement REF FailoverTo);
+
+};