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version 1.1.2.1, 2012/01/24 13:50:01
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version 1.1.2.2, 2012/02/15 17:46:15
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// Copyright (c) 2011 DMTF. All rights reserved. |
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[Version ( "2.29.0" ), |
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UMLPackagePath ( "CIM::Core::StorageExtent" ), |
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Description ( |
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"StorageExtent describes the capabilities and management of the " |
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"various media that exist to store data and allow data " |
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"retrieval. This superclass could be used to represent the " |
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"various components of RAID (Hardware or Software) or as a raw " |
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"logical extent on top of physical media." )] |
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class CIM_StorageExtent : CIM_LogicalDevice { |
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|
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[Description ( "Type of data organization used." ), |
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ValueMap { "0", "1", "2", "3", "4" }, |
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Values { "Other", "Unknown", "Fixed Block", "Variable Block", |
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"Count Key Data" }] |
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uint16 DataOrganization; |
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|
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[Description ( |
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"A free form string describing the media and/or its use." ), |
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MappingStrings { "MIB.IETF|HOST-RESOURCES-MIB.hrStorageDescr" }] |
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string Purpose; |
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|
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[Description ( |
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"Access describes whether the media is readable " |
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"(value=1), writeable (value=2), or both (value=3). " |
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"\"Unknown\" (0) and \"Write Once\" (4) can also be " |
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"defined." ), |
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ValueMap { "0", "1", "2", "3", "4" }, |
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Values { "Unknown", "Readable", "Writeable", |
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"Read/Write Supported", "Write Once" }] |
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uint16 Access; |
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|
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[Description ( |
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"ErrorMethodology is a free-form string describing the " |
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"type of error detection and correction supported by this " |
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"StorageExtent." )] |
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string ErrorMethodology; |
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|
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[Description ( |
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"Size in bytes of the blocks which form this " |
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"StorageExtent. If variable block size, then the maximum " |
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"block size in bytes should be specified. If the block " |
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"size is unknown or if a block concept is not valid (for " |
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"example, for AggregateExtents, Memory or LogicalDisks), " |
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"enter a 1." ), |
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Units ( "Bytes" ), |
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MappingStrings { "MIF.DMTF|Host Storage|001.4", |
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"MIB.IETF|HOST-RESOURCES-MIB.hrStorageAllocationUnits", |
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"MIF.DMTF|Storage Devices|001.5" }] |
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uint64 BlockSize; |
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|
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[Description ( |
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"Total number of logically contiguous blocks, of size " |
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"Block Size, which form this Extent. The total size of " |
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"the Extent can be calculated by multiplying BlockSize by " |
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"NumberOfBlocks. If the BlockSize is 1, this property is " |
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"the total size of the Extent." ), |
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MappingStrings { "MIF.DMTF|Host Storage|001.5", |
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"MIB.IETF|HOST-RESOURCES-MIB.hrStorageSize" }] |
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uint64 NumberOfBlocks; |
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|
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[Description ( |
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"The maximum number of blocks, of size BlockSize, which " |
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"are available for consumption when layering " |
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"StorageExtents using the BasedOn association. This " |
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"property only has meaning when this StorageExtent is an " |
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"Antecedent reference in a BasedOn relationship. For " |
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"example, a StorageExtent could be composed of 120 " |
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"blocks. However, the Extent itself may use 20 blocks for " |
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"redundancy data. If another StorageExtent is BasedOn " |
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"this Extent, only 100 blocks would be available to it. " |
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"This information (\'100 blocks is available for " |
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"consumption\') is indicated in the ConsumableBlocks " |
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"property." )] |
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uint64 ConsumableBlocks; |
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|
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[Description ( |
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"True indicates that the underlying StorageExtent(s) " |
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"participate in a StorageRedundancyGroup." )] |
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boolean IsBasedOnUnderlyingRedundancy; |
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|
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[Description ( |
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"Boolean set to TRUE if the Storage is sequentially " |
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"accessed by a MediaAccessDevice. A TapePartition is an " |
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"example of a sequentially accessed StorageExtent. " |
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"StorageVolumes, Disk Partitions and LogicalDisks " |
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"represent randomly accessed Extents." )] |
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boolean SequentialAccess; |
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|
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[Description ( |
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"StorageExtents have additional status information beyond " |
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"that captured in the OperationalStatus and other " |
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"properties, inherited from ManagedSystemElement. This " |
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"additional information (for example, \"Protection " |
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"Disabled\", value=9) is captured in the ExtentStatus " |
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"property. \n" |
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"\'In-Band Access Granted\' says that access to data on " |
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"an extent is granted to some consumer and is only valid " |
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"when \'Exported\' is also set. It is set as a side " |
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"effect of PrivilegeManagementService.ChangeAccess or " |
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"equivalent interfaces. \n" |
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"\'Imported\' indicates that the extent is used in the " |
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"current system, but known to be managed by some other " |
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"system. For example, a server imports volumes from a " |
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"disk array. \n" |
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"\'Exported\' indicates the extent is meant to be used by " |
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"some comsumer. A disk array\'s logical units are " |
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"exported. \n" |
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"Intermediate composite extents may be neither imported " |
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"nor exported.\n" |
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"\'Relocating\' indicates the extent is being relocated." ), |
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ValueMap { "0", "1", "2", "3", "4", "5", "6", "7", "8", "9", |
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"10", "11", "12", "13", "14", "15", "16", "17", "18", |
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"..", "32768..65535" }, |
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Values { "Other", "Unknown", "None/Not Applicable", "Broken", |
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"Data Lost", "Dynamic Reconfig", "Exposed", |
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"Fractionally Exposed", "Partially Exposed", |
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"Protection Disabled", "Readying", "Rebuild", |
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"Recalculate", "Spare in Use", "Verify In Progress", |
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"In-Band Access Granted", "Imported", "Exported", |
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"Relocating", "DMTF Reserved", "Vendor Reserved" }] |
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uint16 ExtentStatus[]; |
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|
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[Description ( |
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"Indicates whether or not there exists no single point of failure." |
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), |
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ModelCorrespondence { |
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"CIM_StorageSetting.NoSinglePointOfFailure" }] |
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boolean NoSinglePointOfFailure; |
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|
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[Description ( |
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"Number of complete copies of data currently maintained." ), |
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ModelCorrespondence { |
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"CIM_StorageSetting.DataRedundancyGoal", |
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"CIM_StorageSetting.DataRedundancyMax", |
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"CIM_StorageSetting.DataRedundancyMin" }] |
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uint16 DataRedundancy; |
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|
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[Description ( |
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"How many physical packages can currently fail without " |
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"data loss. For example, in the storage domain, this " |
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"might be disk spindles." ), |
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ModelCorrespondence { |
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"CIM_StorageSetting.PackageRedundancyGoal", |
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"CIM_StorageSetting.PackageRedundancyMax", |
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"CIM_StorageSetting.PackageRedundancyMin" }] |
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uint16 PackageRedundancy; |
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|
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[Description ( |
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"Current value for Delta reservation. This is a " |
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"percentage that specifies the amount of space that " |
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"should be reserved in a replica for caching changes." ), |
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Units ( "Percentage" ), |
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MinValue ( 1 ), |
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MaxValue ( 100 ), |
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ModelCorrespondence { |
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"CIM_StorageSetting.DeltaReservationGoal", |
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"CIM_StorageSetting.DeltaReservationMax", |
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"CIM_StorageSetting.DeltaReservationMin" }] |
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uint8 DeltaReservation; |
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|
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[Description ( |
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"If true, \"Primordial\" indicates that the containing " |
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"System does not have the ability to create or delete " |
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"this operational element. This is important because " |
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"StorageExtents are assembled into higher-level " |
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"abstractions using the BasedOn association. Although the " |
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"higher-level abstractions can be created and deleted, " |
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"the most basic, (i.e. primordial), hardware-based " |
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"storage entities cannot. They are physically realized as " |
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"part of the System, or are actually managed by some " |
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"other System and imported as if they were physically " |
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"realized. In other words, a Primordial StorageExtent " |
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"exists in, but is not created by its System and " |
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"conversely a non-Primordial StorageExtent is created in " |
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"the context of its System. For StorageVolumes, this " |
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"property will generally be false. One use of this " |
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"property is to enable algorithms that aggregate " |
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"StorageExtent.ConsumableSpace across all, StorageExtents " |
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"but that also want to distinquish the space that " |
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"underlies Primordial StoragePools. Since implementations " |
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"are not required to surface all Component StorageExtents " |
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"of a StoragePool, this information is not accessible in " |
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"any other way." )] |
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boolean Primordial = false; |
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|
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[Override ( "Name" ), |
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Description ( "A unique identifier for the Extent." ), |
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MappingStrings { |
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"SPC.INCITS-T10| VPD 83, Association 0 | Identifier" }, |
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ModelCorrespondence { "CIM_StorageExtent.NameFormat", |
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"CIM_StorageExtent.NameNamespace" }] |
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string Name; |
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|
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[Description ( |
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"The list here applies to all StorageExtent subclasses. " |
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"Please look at the Description in each subclass for " |
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"guidelines on the approriate values for that subclass. " |
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"Note that any of these formats could apply to a " |
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"CompositeExtent. \n" |
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"\n" |
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"Note - this property originally touched on two concepts " |
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"that are now separated into this property and " |
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"NameNamespace. Values 2,3,4,5,6, and 8 are retained for " |
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"backwards compatibility but are deprecated in lieu of " |
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"the corresponding values in " |
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"CIM_StorageExtent.NameNamespace. \n" |
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"\n" |
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"For example, the preferred source for SCSI virtual " |
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"(RAID) disk names is from Inquiry VPD page 83 response, " |
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"type 3 identifiers. These will have NameFormat set to " |
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"\'NAA\' and NameNamespace to \'VPD83Type3\'. \n" |
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"\n" |
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"Format of the Name property. Values for extents " |
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"representing SCSI volumes are (per SCSI SPC-3): \n" |
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"2 = VPD Page 83, NAA IEEE Registered Extended " |
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"(VPD83NAA6) \n" |
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"(DEPRECATED) \n" |
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"3 = VPD Page 83, NAA IEEE Registered (VPD83NAA5) \n" |
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"(DEPRECATED) \n" |
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"4 = VPD Page 83, (VPD83Type2) (DEPRECATED) \n" |
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"5 = VPD Page 83, \n" |
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"T10 Vendor Identification (VPD83Type1) (DEPRECATED) \n" |
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"6 = VPD Page 83, Vendor Specific (VPD83Type0) " |
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"(DEPRECATED) \n" |
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"7 = Serial Number/Vendor/Model (SNVM) SNVM is 3 strings " |
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"representing the vendor name, product name within the " |
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"vendor namespace, and the serial number within the model " |
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"namespace. Strings are delimited with a \'+\'. Spaces " |
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"may be included and are significant. The serial number " |
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"is the text representation of the serial number in " |
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"hexadecimal upper case. This represents the vendor and " |
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"model ID from SCSI Inquiry data; the vendor field MUST " |
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"be 8 characters wide and the product field MUST be 16 " |
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"characters wide. For example, \n" |
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"\'ACME____+SUPER DISK______+124437458\' (_ is a space " |
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"character) \n" |
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"8 = Node WWN (for single LUN/controller) (NodeWWN) \n" |
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"(DEPRECATED) \n" |
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"9 = NAA as a generic format. See \n" |
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"http://standards.ieee.org/regauth/oui/tutorials/fibrecomp_id.html. " |
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"Formatted as 16 or 32 unseparated uppercase hex " |
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"characters (2 per binary byte). For example " |
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"\'21000020372D3C73\' \n" |
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"10 = EUI as a generic format (EUI64) See \n" |
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"http://standards.ieee.org/regauth/oui/tutorials/EUI64.html. \n" |
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"Formatted as 16 unseparated uppercase hex characters (2 " |
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"per binary byte) \n" |
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"11 = T10 vendor identifier format as returned by SCSI " |
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"Inquiry VPD page 83, identifier type 1. See T10 SPC-3 " |
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"specification. This is the 8-byte ASCII vendor ID from " |
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"the T10 registry followed by a vendor specific ASCII " |
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"identifier; spaces are permitted. For non SCSI volumes, " |
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"\'SNVM\' may be the most appropriate choice. 12 = OS " |
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"Device Name (for LogicalDisks). See LogicalDisk Name " |
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"description for details." ), |
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ValueMap { "0", "1", "2", "3", "4", "5", "6", "7", "8", "9", |
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"10", "11", "12" }, |
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Values { "Unknown", "Other", "VPD83NAA6", "VPD83NAA5", |
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"VPD83Type2", "VPD83Type1", "VPD83Type0", "SNVM", |
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"NodeWWN", "NAA", "EUI64", "T10VID", "OS Device Name" }, |
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ModelCorrespondence { "CIM_StorageExtent.Name", |
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"CIM_StorageExtent.NameNamespace", |
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"CIM_StorageExtent.OtherNameFormat" }] |
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uint16 NameFormat; |
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[Description ( |
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"The preferred source SCSI for volume names is SCSI VPD " |
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"Page 83 responses. Page 83 returns a list of identifiers " |
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"for various device elements. The metadata for each " |
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"identifier includes an Association field, identifiers " |
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"with association of 0 apply to volumes. Page 83 supports " |
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"several namespaces specified in the Type field in the " |
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"identifier metadata. See SCSI SPC-3 specification. \n" |
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"2 = VPD Page 83, Type 3 NAA (NameFormat SHOULD be NAA) \n" |
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"3 = VPD Page 83, Type 2 EUI64 (NameFormat EUI) \n" |
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"4 = VPD Page 83, Type 1 T10 Vendor Identification \n" |
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"(NameFormat T10) \n" |
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"Less preferred volume namespaces from other interfaces: \n" |
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"5 = VPD page 80, Serial number (NameFormat SHOULD be " |
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"Other) \n" |
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"6 = FC NodeWWN (NameFormat SHOULD be NAA or EUI) \n" |
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"7 = Serial Number/Vendor/Model (NameFormat SHOULD be " |
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"SNVM) \n" |
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"The preferred namespace for LogigicalDisk names is " |
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"platform specific device namespace; see LogigicalDIsk " |
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"Description. \n" |
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"8 = OS Device Namespace." ), |
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ValueMap { "0", "1", "2", "3", "4", "5", "6", "7", "8" }, |
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Values { "Unknown", "Other", "VPD83Type3", "VPD83Type2", |
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"VPD83Type1", "VPD80", "NodeWWN", "SNVM", |
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"OS Device Namespace" }, |
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MappingStrings { |
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"SPC.INCITS-T10| VPD 83, Association 0 | Identifier" }, |
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ModelCorrespondence { "CIM_StorageExtent.Name", |
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"CIM_StorageExtent.OtherNameNamespace", |
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"CIM_StorageExtent.NameFormat" }] |
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uint16 NameNamespace; |
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[Description ( |
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"A string describing the namespace of the Name property " |
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"when NameNamespace includes the value 1, \"Other\"." ), |
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ModelCorrespondence { "CIM_StorageExtent.NameNamespace" }] |
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string OtherNameNamespace; |
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[Description ( |
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"A string describing the format of the Name property when " |
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"NameFormat includes the value 1, \"Other\"." ), |
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ModelCorrespondence { "CIM_StorageExtent.NameFormat" }] |
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string OtherNameFormat; |
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}; |
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