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+// Copyright (c) 2005 DMTF. All rights reserved.
+ [Association, Version ( "2.10.0" ),
+ UMLPackagePath ( "CIM::Device::StorageDevices" ),
+ Description (
+ "An association that models a host driver path to a SCSI "
+ "logical unit. Each permutation of initiator and target "
+ "ProtocolEndpoints and logical units is considered a separate "
+ "path. This class describes end-to-end path behavior such as "
+ "properties and operations commonly used in multipath "
+ "management." )]
+class CIM_SCSIInitiatorTargetLogicalUnitPath {
+
+ [Key, Description ( "An initiator endpoint." )]
+ CIM_SCSIProtocolEndpoint REF Initiator;
+
+ [Key, Description ( "A target endpoint." )]
+ CIM_SCSIProtocolEndpoint REF Target;
+
+ [Key, Description (
+ "A subclass of LogicalDevice representing a SCSI Logical "
+ "Unit (such as StorageVolume or TapeDrive)." )]
+ CIM_LogicalDevice REF LogicalUnit;
+
+ [Description (
+ "The OS Device Name for this path. Only applicable if the "
+ "ExposedPathDeviceFiles property is true in the instance "
+ "of SCSIMultipathConfigurationCapabilities associated "
+ "with the LogicalDevice/RedundancySet this instance is a "
+ "member of." ),
+ MappingStrings {
+ "MP_API.SNIA|MP_PATH_LOGICAL_UNIT_PROPERTIES|deviceFileName" }]
+ string OSDeviceName;
+
+ [Write, Description (
+ "A value assigned by an administrator specifying a "
+ "preference to assign to a path. The drivers will "
+ "actively use all available paths with the highest "
+ "weight. This allows an administrator to assign a subset "
+ "of available paths for load balanced access and reserve "
+ "the others as backup paths. For symmetric access "
+ "devices, all paths are considered \'available\'. For "
+ "asymmetric access devices, all paths in active target "
+ "port groups are considered available." ),
+ MappingStrings {
+ "MP_API.SNIA|MP_PATH_LOGICAL_UNIT_PROPERTIES|weight" }]
+ uint32 AdministrativeWeight;
+
+ [Write, Description (
+ "The state of this path. Values are defined as follows: \n"
+ "Unknown - the path is unavailable,but the cause is not "
+ "known. \n"
+ "Active - The path is okay and active. \n"
+ "Passive - The path is okay, but is associated with a "
+ "target port of target port group in standby access "
+ "state. Only applies to devices with asymmetric access. \n"
+ "Disabled - The path is disabled by administrative "
+ "request (DisablePathLU). \n"
+ "Path Error - The path is unusable due to an error on "
+ "this path and no SCSI status was received. \n"
+ "Logical Unit Error - A SCSI status was received for an "
+ "I/O through this path indicating a logical unit error. \n"
+ "Reserved - The path is unavailable due to a SCSI "
+ "reservation. \n"
+ "Removed - The path is unavailable because the OS or "
+ "drivers marked the pathunusable. \n"
+ "Transitioning - the path is transitioning between two "
+ "valid states. \n"
+ "The only valid values a client can specify are Disabled "
+ "and Active. All other states are determined by the "
+ "underlying implementation; attempts to set them should "
+ "be given an error response." ),
+ ValueMap { "0", "2", "3", "4", "5", "6", "7", "8", "9" },
+ Values { "Unknown", "Active", "Passive", "Disabled",
+ "Path Error", "Logical Unit Error", "Reserved", "Removed",
+ "Transitioning" },
+ MappingStrings {
+ "MP_API.SNIA|MP_PATH_LOGICAL_UNIT_PROPERTIES|pathState" }]
+ uint32 State;
+
+ [Description (
+ "AdministrativeOverride allows an administrator to select "
+ "a single path, force all I/O to this path, and disables "
+ "load balancing. The steady-state value is \'No override "
+ "in effect\'. When an administrator sets an override for "
+ "a particular path, that path\'s AdministrativeOverride "
+ "is set to \'Overridding\' and all other paths to same "
+ "logical unit are assigned a value of \'Overridden\'. "
+ "This property is changed using the OverridePath method "
+ "in SCSIPathConfigurationService." ),
+ ValueMap { "2", "3", "4" },
+ Values { "Overriding", "Overridden", "No override in effect" },
+ MappingStrings {
+ "MP_API.SNIA|MP_MULTIPATH_LOGICAL_UNIT_PROPERTIES|overridePath" },
+ ModelCorrespondence {
+ "CIM_SCSIPathConfigurationService.SetOverridePath" }]
+ uint16 AdministrativeOverride;
+
+ [Description (
+ "The SCSI Logical Unit Number. This is the unit number "
+ "with values below 16,384 used in management "
+ "applications. It is not the full SCSI SAM 8-byte logical "
+ "unit number structure. Using the terminology from the "
+ "T10 SCSI specifications, this is the LU number with a "
+ "value between 0 and 255 using the Peripheral device "
+ "addressing method with Bus Identifier zero or a LU "
+ "number between 0 and 16,383 using the Flat space (AKA "
+ "volume set) addressing method." ),
+ MaxValue ( 16383 ),
+ MappingStrings {
+ "MP_API.SNIA|MP_MULTIPATH_LOGICAL_UNIT_PROPERTIES|overridePathMP_API.SNIA|MP_CancelOverridePath",
+ "MP_API.SNIA|MP_SetOverridePath" }]
+ uint16 LogicalUnitNumber;
+
+
+};