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MSFT_SMStorageVolume class

Represents a storage volume.

The following syntax is simplified from Managed Object Format (MOF) code and includes all of the inherited properties.

Windows Server 2012 R2 and Windows Server 2012: This class does not inherit from MSFT_SMStorageObject which is new for Windows Server 2016.

Syntax

[dynamic, provider("WMIStorage"), AMENDMENT]
class MSFT_SMStorageVolume : MSFT_SMStorageObject
{
  String  ObjectId;
  String  Identifier;
  String  DisplayName;
  String  Name;
  Uint16  NameFormat;
  Uint16  NameNamespace;
  String  OtherNameFormat;
  String  OtherNameNamespace;
  String  SMLunId;
  Uint16  SMLunIdFormat;
  String  SMLunIdFormatDescription;
  Uint16  SMLunIdNamespace;
  String  SMLunIdNamespaceDescription;
  uint16  HealthStatus;
  string  HealthStatusDescription;
  uint16  OperationalStatus[];
  string  StatusDescription;
  Uint64  BlockSize;
  Uint64  NumberOfBlocks;
  Uint64  ConsumableBlocks;
  Boolean Primordial;
  String  OtherIdentifyingInfo[];
  String  IdentifyingDescriptions[];
  boolean NoSinglePointOfFailure;
  uint16  ExtentStripeLength;
  uint64  UserDataStripeDepth;
  uint16  DataRedundancy;
  uint16  PackageRedundancy;
  uint16  ParityLayout;
  uint16  Access;
  String  AccessDescription;
  Boolean ThinlyProvisioned = FALSE;
  uint16  Usage;
  Boolean IsSnapshot;
};

Members

The MSFT_SMStorageVolume class has these types of members:

Methods

The MSFT_SMStorageVolume class has these methods.

Method Description
CreateClone Starts a job to create an associated un-synced Clone of the MSFT_SMStorageVolume.
CreateReplica Creates a replication relationship between virtual disks.
Windows Server 2012 R2 and Windows Server 2012: This method is not available before Windows Server 2016.
CreateSnapshot Starts a job to create an associated un-synced snapshot of the MSFT_SMStorageVolume.
Delete Starts a job to delete a storage volume previously created from a storage pool.
ModifySize Starts a job to modify the size of a storage volume.
SetReadonly Changes the device access of the storage volume to Readable.
SetReadWrite Changes the device access of the storage volume to Read/Write.
SetReplicationRelationship Updates a replication relationship between virtual disks.
Windows Server 2012 R2 and Windows Server 2012: This method is not available before Windows Server 2016.

Properties

The MSFT_SMStorageVolume class has these properties.

Access

Data type: uint16

Access type: Read-only

Indicates read and write access on the volume.

The possible values are.

Unknown (0)

Readable (1)

Writeable (2)

Read/Write Supported (3)

Write Once (4)

AccessDescription

Data type: String

Access type: Read-only

A description of the Access value.

BlockSize

Data type: Uint64

Access type: Read-only

The size, in bytes, of the blocks in this storage extent. If there is a variable block size, then the maximum block size in bytes is specified. If the block size is "unknown" or if a block concept is not valid (for example, for Aggregate Extents, Memory, or LogicalDisks), the value is "1" (one).

ConsumableBlocks

Data type: Uint64

Access type: Read-only

TBD

DataRedundancy

Data type: uint16

Access type: Read-only

Qualifiers: ModelCorrespondence ("CIM_StorageExtent.DataRedundancy")

Number of complete copies of data currently maintained.

DisplayName

Data type: String

Access type: Read-only

The user-friendly name of the storage volume.

ExtentStripeLength

Data type: uint16

Access type: Read-only

TBD

HealthStatus

Data type: uint16

Access type: Read-only

Qualifiers: ArrayType ("Indexed")

The current status of the LUN (StorageVolume).

The possible values are.

Healthy (0)

Warning (1)

Unhealthy (2)

HealthStatusDescription

Data type: string

Access type: Read-only

The current status of the LUN (StorageVolume) in a string format.

Identifier

Data type: String

Access type: Read-only

Qualifiers: Required

The ID of the logical instance of the object. This ID must be unique within the scope of the storage system.

This property is inherited from MSFT_SMStorageObject.

Windows Server 2012 R2 and Windows Server 2012: This property is present, but is not inherited from MSFT_SMStorageObject .

IdentifyingDescriptions

Data type: String array

Access type: Read-only

An array that contains descriptions of the format used in the custom identifiers in OtherIdentifyingInfo. There must be a 1:1 mapping between this array and OtherIdentifyingInfo.

IsSnapshot

Data type: Boolean

Access type: Read-only

True if the volume is a snapshot volume.

Name

Data type: String

Access type: Read-only

The system defined name of the storage volume.

NameFormat

Data type: Uint16

Access type: Read-only

Indicates the format of the Name property.

NameNamespace

Data type: Uint16

Access type: Read-only

The namespace of Name value.

NoSinglePointOfFailure

Data type: boolean

Access type: Read-only

Qualifiers: ModelCorrespondence ("CIM_StorageExtent.NoSinglePointOfFailure")

Whether or not there exists no single point of failure.

NumberOfBlocks

Data type: Uint64

Access type: Read-only

The total number of consecutive blocks that form this storage extent. Total size of the storage extent can be calculated by multiplying the value of the BlockSize property by the value of this property. If the value of BlockSize is "1", this property is the total size of the storage extent.

ObjectId

Data type: String

Access type: Read-only

Qualifiers: Key, Required

The ID of this class instance. This ID must be unique within the scope of the Windows Storage Management server that hosts the provider object.

This property is inherited from MSFT_SMStorageObject.

Windows Server 2012 R2 and Windows Server 2012: This property is present, but is not inherited from MSFT_SMStorageObject .

OperationalStatus

Data type: uint16 array

Access type: Read-only

Qualifiers: ArrayType ("Indexed"), ModelCorrespondence ("CIM_StorageVolume.OperationalStatus")

The current SMIS status of the LUN (StorageVolume).

The possible values are.

OK (2)

Degraded (3)

Error (6)

Starting (8)

Dormant (15)

OtherIdentifyingInfo

Data type: String array

Access type: Read-only

An array that contains custom identifiers for the switch. If this property is set, IdentifyingDescriptions must also be set.

OtherNameFormat

Data type: String

Access type: Read-only

TBD

OtherNameNamespace

Data type: String

Access type: Read-only

TBD

PackageRedundancy

Data type: uint16

Access type: Read-only

Qualifiers: ModelCorrespondence ("CIM_StorageExtent.PackageRedundancy")

Indicates how many physical packages can fail without data loss.

ParityLayout

Data type: uint16

Access type: Read-only

Qualifiers: ModelCorrespondence ("CIM_StorageSetting.ParityLayout")

Indicates whether a parity-based storage organization is using rotated or non-rotated parity.

The possible values are.

Non-rotated Parity (1)

Rotated Parity (2)

Primordial

Data type: Boolean

Access type: Read-only

True if the storage volume is a member of a primordial pool; otherwise, False.

SMLunId

Data type: String

Access type: Read-only

TBD

SMLunIdFormat

Data type: Uint16

Access type: Read-only

TBD

SMLunIdFormatDescription

Data type: String

Access type: Read-only

TBD

SMLunIdNamespace

Data type: Uint16

Access type: Read-only

TBD

SMLunIdNamespaceDescription

Data type: String

Access type: Read-only

TBD

StatusDescription

Data type: string

Access type: Read-only

The current SMIS status of the LUN (StorageVolume) in a string format.

ThinlyProvisioned

Data type: Boolean

Access type: Read-only

Qualifiers: ModelCorrespondence ("SNIA_StorageVolume.ThinlyProvisioned")

True if the volume is thinly provisioned; otherwise False.

Usage

Data type: uint16

Access type: Read-only

Qualifiers: Experimental, ModelCorrespondence ("CIM_StorageExtent.Usage")

The intended usage or any restrictions that may have been imposed on the usage of this component.

The possible values are.

Other (1)

Unrestricted (2)

Reserved for ComputerSystem (the block server) (3)

Reserved by Replication Services (4)

Reserved by Migration Services (5)

Local Replica Source (6)

Remote Replica Source (7)

Local Replica Target (8)

Remote Replica Target (9)

Local Replica Source or Target (10)

Remote Replica Source or Target (11)

Delta Replica Target (12)

Element Component (13)

Reserved as Pool Contributor (14)

Composite Volume Member (15)

Composite LogicalDisk Member (16)

Reserved for Sparing (17)

DMTF Reserved

18 32767

Vendor Reserved

32768 65535

UserDataStripeDepth

Data type: uint64

Access type: Read-only

TBD

Requirements

Minimum supported client
None supported
Minimum supported server
Windows Server 2012
Namespace
Root\Microsoft\Windows\Storage\SM
MOF
MsftStrgMan.mof
DLL
StorageService.dll

See also

MSFT_SMStorageObject

Windows Storage Management WMI Provider