# Class CIM_StorageVolume
extends CIM_StorageExtent

A StorageVolume is a StorageExtent that is published for use outside of the scoping System. For SCSI storage target devices, StorageVolumes are used to represent target Block devices, (peripheral device type codes 0h (i.e, direct-access), 4h (i.e., write-once), 5h (i.e., CD/DVD), 7h (i.e., optical memory), and Eh (i.e., simplified direct-access).); Stream devices, (peripheral device type codes 1h (i.e., sequential-access) and 3h (i.e., processor).). In these case, StorageVolume.Name will be derived from SCSI volume as documented in StorageExtent.Nameformat and NameNamespace Descriptions. The 'Exported' value from StorageExtent.ExtentStatus[] MUST be in all instances of StorageVolume to maintain the semantic of 'published' described above.

### Table of Contents
Hierarchy
Direct Known Subclasses
Class Qualifiers
Class Properties
Class Methods

## Class Hierarchy

CIM_ManagedElement
|
+--CIM_ManagedSystemElement
|
+--CIM_LogicalElement
|
+--CIM_EnabledLogicalElement
|
+--CIM_AllocatedLogicalElement
|
+--CIM_LogicalDevice
|
+--CIM_StorageExtent
|
+--CIM_StorageVolume

## Direct Known Subclasses

CIM_VolumeSet

## Class Qualifiers

Name | Data Type | Value
--- | --- | ---
Description | string | A StorageVolume is a StorageExtent that is published for use outside of the scoping System. For SCSI storage target devices, StorageVolumes are used to represent target Block devices, (peripheral device type codes 0h (i.e, direct-access), 4h (i.e., write-once), 5h (i.e., CD/DVD), 7h (i.e., optical memory), and Eh (i.e., simplified direct-access).); Stream devices, (peripheral device type codes 1h (i.e., sequential-access) and 3h (i.e., processor).). In these case, StorageVolume.Name will be derived from SCSI volume as documented in StorageExtent.Nameformat and NameNamespace Descriptions. The 'Exported' value from StorageExtent.ExtentStatus[] MUST be in all instances of StorageVolume to maintain the semantic of 'published' described above.
UMLPackagePath | string | CIM::Device::StorageExtents
Version | string | 2.45.0

## Class Properties

### Local Class Properties

Name | Data Type | Default Value | Qualifiers
--- | --- | --- | ---
Name | Data Type | Value
CanDelete | boolean | true
Description | string | Indicates if the volume is able to be deleted by a client application. True means the volume may be deleted by a client application.
CUImage | string |
Description | string | This property is the Node Element Descriptor of the Control Unit Image (this property is required for CKD StorageVolumes).
EmulatedDevice | string |
Description | string | Specifies the specific device (e.g., 3380 or 3390) that is emulated by the volume.
ExtentType | uint16 |
Description | string | The ExtentType property specifies extent type for host access.
ValueMap | string | 1, 2, 3, 4
Values | string | Other, Open, Intermediate, Mainframe
Name | string |
Description | string | A unique identifier for the Volume.
MappingStrings | string | ANSI|T10|SCSI SPC-3|8.6
MaxLen | uint32 | 1024
ModelCorrespondence | string | CIM_StorageVolume.NameFormat
Override | string | Name
NameFormat | uint16 |
Description | string | A subset of StorageExtent name formats apply to StorageVolumes.
ModelCorrespondence | string | CIM_StorageExtent.Name, CIM_StorageExtent.NameNamespace, CIM_StorageExtent.OtherNameFormat
Override | string | NameFormat
ValueMap | string | 0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11
Values | string | Unknown, Other, VPD83NAA6, VPD83NAA5, VPD83Type2, VPD83Type1, VPD83Type0, SNVM, NodeWWN, NAA, EUI64, T10VID
NameNamespace | uint16 |
Description | string | A subset of StorageExtent name spaces apply to StorageVolume.
MappingStrings | string | SPC.INCITS-T10| VPD 83, Association 0 | Identifier
ModelCorrespondence | string | CIM_StorageExtent.Name, CIM_StorageExtent.OtherNameNamespace, CIM_StorageExtent.NameFormat
Override | string | NameNamespace
ValueMap | string | 0, 1, 2, 3, 4, 5, 6, 7
Values | string | Unknown, Other, VPD83Type3, VPD83Type2, VPD83Type1, VPD80, NodeWWN, SNVM
NumExtentsMigrating | uint64 |
Description | string | The number of extents in the process of migrating for this storage volume when the volume relocation is on going.
OtherUsageDescription | string |
Description | string | Populated when "Usage" has the value of "Other".
ModelCorrespondence | string | CIM_StorageVolume.Usage
Override | string | OtherUsageDescription
RelativePerformanceOrder | uint16 |
Description | string | A storage volume can be associated with one or more storage tiers with equal or smaller StorageTier.RelativePerformanceOrder. The smaller the RelativePerformanceOrder, the more "performant" the tier.
ModelCorrespondence | string | CIM_StorageTier.RelativePerformanceOrder
StorageTieringSelection | uint16 | 0
Description | string | Storage tiering examines this property to determine whether to use RelativePerformanceOrder or RelativePerformanceOrderSet for selecting an appropriate storage tier. A value of 0 or null indicates the associated element is not subject to storage tiering.
ModelCorrespondence | string | CIM_StorageVolume.RelativePerformanceOrder, CIM_StorageVolume.RelativePerformanceOrderSet
ValueMap | string | 0, 2, 3, .., 0x8000..
Values | string | Unknown, Use RelativePerformanceOrder, Use RelativePerformanceOrderSet, DMTF Reserved, Vendor Specific
SubsystemID | string |
Description | string | This property is the Subsystem ID if the array or virtualizer supports Subsystem IDs.
ThinlyProvisioned | boolean | false
Description | string | True if the volume is thinly provisioned.
Usage | uint16 |
Description | string | Indicates the intended usage or any restrictions that may have been imposed on the usage of this component. All ValueMap/Values entries are defined in CIM_StorageExtent. To promote interoperability across subclasses, all new entries for this class shall be defined there.
ModelCorrespondence | string | CIM_StorageVolume.OtherUsageDescription
Override | string | Usage
ValueMap | string | 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24, .., 32768..65535
Values | string | Other, Unrestricted, Reserved for ComputerSystem (the block server), Reserved by Replication Services, Reserved by Migration Services, Local Replica Source, Remote Replica Source, Local Replica Target, Remote Replica Target, Local Replica Source or Target, Remote Replica Source or Target, Delta Replica Target, Element Component, Reserved to be Unrestricted Pool Contributor, Composite Volume Member, Composite LogicalDisk Member, Reserved for Sparing, In use as Unrestricted Pool Contributor, Reserved to be Delta Replica Pool Contributor, Reserved to be Local Replication Pool Contributor, Reserved to be Remote Replication Pool Contributor, In use as Delta Replica Pool Contributor, In use as Local Replication Pool Contributor, In use as Remote Replication Pool Contributor, DMTF Reserved, Vendor Reserved
ClientSettableUsage | uint16[] |
Description | string | Indicates which values from the "Usage" valuemapcan be manipulated by a client using the method"StorageConfigurationService.RequestUsageChange".
ModelCorrespondence | string | CIM_StorageVolume.Usage
Override | string | ClientSettableUsage
RelativePerformanceOrderSet | uint16[] |
Description | string | A set of RelativePerformanceOrder values. The volume can only be associated with storage tiers that have a RelativePerformanceOrder value included in this set.
ModelCorrespondence | string | CIM_StorageTier.RelativePerformanceOrder

### Inherited Properties

Name | Data Type | Class Origin
--- | --- | ---
Access | uint16 | CIM_StorageExtent
AllocationState | string | CIM_LogicalDevice
Availability | uint16 | CIM_LogicalDevice
BlockSize | uint64 | CIM_StorageExtent
Caption | string | CIM_ManagedElement
CommunicationStatus | uint16 | CIM_ManagedSystemElement
CompressionRate | uint16 | CIM_StorageExtent
CompressionState | uint16 | CIM_StorageExtent
ConsumableBlocks | uint64 | CIM_StorageExtent
CreationClassName | string | CIM_LogicalDevice
DataOrganization | uint16 | CIM_StorageExtent
DataRedundancy | uint16 | CIM_StorageExtent
DeltaReservation | uint8 | CIM_StorageExtent
Description | string | CIM_ManagedElement
DetailedStatus | uint16 | CIM_ManagedSystemElement
DeviceID | string | CIM_LogicalDevice
ElementName | string | CIM_ManagedElement
EnabledDefault | uint16 | CIM_EnabledLogicalElement
EnabledState | uint16 | CIM_EnabledLogicalElement
ErrorCleared | boolean | CIM_LogicalDevice
ErrorDescription | string | CIM_LogicalDevice
ErrorMethodology | string | CIM_StorageExtent
ExtentInterleaveDepth | uint64 | CIM_StorageExtent
ExtentStripeLength | uint64 | CIM_StorageExtent
Generation | uint64 | CIM_ManagedElement
HealthState | uint16 | CIM_ManagedSystemElement
InstallDate | datetime | CIM_ManagedSystemElement
InstanceID | string | CIM_ManagedElement
IsBasedOnUnderlyingRedundancy | boolean | CIM_StorageExtent
IsComposite | boolean | CIM_StorageExtent
IsCompressed | boolean | CIM_StorageExtent
IsConcatenated | boolean | CIM_StorageExtent
LastErrorCode | uint32 | CIM_LogicalDevice
LocationIndicator | uint16 | CIM_LogicalDevice
MaxQuiesceTime | uint64 | CIM_LogicalDevice
NoSinglePointOfFailure | boolean | CIM_StorageExtent
NumberOfBlocks | uint64 | CIM_StorageExtent
OperatingStatus | uint16 | CIM_ManagedSystemElement
OtherEnabledState | string | CIM_EnabledLogicalElement
OtherNameFormat | string | CIM_StorageExtent
OtherNameNamespace | string | CIM_StorageExtent
PackageRedundancy | uint16 | CIM_StorageExtent
PowerManagementSupported | boolean | CIM_LogicalDevice
PowerOnHours | uint64 | CIM_LogicalDevice
PrimaryStatus | uint16 | CIM_ManagedSystemElement
Primordial | boolean | CIM_StorageExtent
Purpose | string | CIM_StorageExtent
RequestedState | uint16 | CIM_EnabledLogicalElement
SequentialAccess | boolean | CIM_StorageExtent
Status | string | CIM_ManagedSystemElement
StatusInfo | uint16 | CIM_LogicalDevice
SystemCreationClassName | string | CIM_LogicalDevice
SystemName | string | CIM_LogicalDevice
TimeOfLastStateChange | datetime | CIM_EnabledLogicalElement
TotalPowerOnHours | uint64 | CIM_LogicalDevice
TransitioningToState | uint16 | CIM_EnabledLogicalElement
AdditionalAvailability | uint16[] | CIM_LogicalDevice
AvailableRequestedStates | uint16[] | CIM_EnabledLogicalElement
ExtentDiscriminator | string[] | CIM_StorageExtent
ExtentStatus | uint16[] | CIM_StorageExtent
IdentifyingDescriptions | string[] | CIM_LogicalDevice
OperationalStatus | uint16[] | CIM_ManagedSystemElement
OtherIdentifyingInfo | string[] | CIM_LogicalDevice
PowerManagementCapabilities | uint16[] | CIM_LogicalDevice
StatusDescriptions | string[] | CIM_ManagedSystemElement

## Class Methods

### Inherited Class Methods

Name | Return Type | Class Origin
--- | --- | ---
EnableDevice | uint32 | CIM_LogicalDevice
OnlineDevice | uint32 | CIM_LogicalDevice
QuiesceDevice | uint32 | CIM_LogicalDevice
RequestStateChange | uint32 | CIM_EnabledLogicalElement
Reset | uint32 | CIM_LogicalDevice
RestoreProperties | uint32 | CIM_LogicalDevice
SaveProperties | uint32 | CIM_LogicalDevice
SetPowerState | uint32 | CIM_LogicalDevice