MSFT_DedupVolume, ROOT\Microsoft\Windows\Deduplication

Class | Methods (3) | Properties (22) | Qualifiers (5) | Instances | Namespaces (2)
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Description

Represents a volume that has data deduplication metadata.

MSFT_DedupVolume methods

MSFT_DedupVolume has 3 methods (3 Local)

NameOriginReturn
DisableMSFT_DedupVolumeuint32 {'out':True}
EnableMSFT_DedupVolumeuint32 {'out':True}
ExpandFileMSFT_DedupVolumeuint32 {'out':True}

MSFT_DedupVolume properties

MSFT_DedupVolume has 22 properties (22 Local)

NameOriginCIMType
CapacityMSFT_DedupVolume21 [uint64]
ChunkRedundancyThresholdMSFT_DedupVolume19 [uint32]
DataAccessEnabledMSFT_DedupVolume11 [boolean]
EnabledMSFT_DedupVolume11 [boolean]
ExcludeFileTypeMSFT_DedupVolume8 [string]
ExcludeFileTypeDefaultMSFT_DedupVolume8 [string]
ExcludeFolderMSFT_DedupVolume8 [string]
FreeSpaceMSFT_DedupVolume21 [uint64]
MinimumFileAgeDaysMSFT_DedupVolume19 [uint32]
MinimumFileSizeMSFT_DedupVolume19 [uint32]
NoCompressMSFT_DedupVolume11 [boolean]
NoCompressionFileTypeMSFT_DedupVolume8 [string]
OptimizeInUseFilesMSFT_DedupVolume11 [boolean]
OptimizePartialFilesMSFT_DedupVolume11 [boolean]
SavedSpaceMSFT_DedupVolume21 [uint64]
SavingsRateMSFT_DedupVolume19 [uint32]
UnoptimizedSizeMSFT_DedupVolume21 [uint64]
UsageTypeMSFT_DedupVolume19 [uint32]
UsedSpaceMSFT_DedupVolume21 [uint64]
VerifyMSFT_DedupVolume11 [boolean]
VolumeMSFT_DedupVolume8 [string]
key
VolumeId
MSFT_DedupVolume8 [string]

Detailed description of MSFT_DedupVolume methods

Local methods (3) of MSFT_DedupVolume class

Disable method
Returnuint32 {'out':True}
Parameters
NameCIMTypeIDINOUTQualifiers
Volumestring0-{'Description':'A list of file system volumes for which to disable data deduplication. Volumes can be specified by drive letter (for example, D:) or volume GUID path. A volume GUID path is a string of the form '\\?\Volume{GUID}\' where GUID is a GUID that identifies the volume.','In':True}
DataAccessboolean1-{'Description':'Set to TRUE to cause data access to deduplicated files on the volume to be disabled.','In':True}
DedupVolumeobject:MSFT_DedupVolume2-{'Description':'Array of references to the disabled volumes.','EmbeddedInstance':'MSFT_DedupVolume','Out':True}
Description'Disables further data deduplication activity on one or more volumes.'
implementedTrue
staticTrue
Disable method is in 1 class (MSFT_DedupVolume) of ROOT\Microsoft\Windows\Deduplication and in 19 namespaces
Enable method
Returnuint32 {'out':True}
Parameters
NameCIMTypeIDINOUTQualifiers
Volumestring0-{'Description':'A list of file system volumes for which to disable data deduplication. Volumes can be specified by drive letter (for example, D:) or volume GUID path. A volume GUID path is a string of the form '\\?\Volume{GUID}\' where GUID is a GUID that identifies the volume.','In':True}
DataAccessboolean1-{'Description':'Set to TRUE to cause data access to deduplicated files on the volume to be enabled.','In':True}
UsageTypeuint322-{'Description':'Type of data to be stored on volume, default (general purpose file shares) or Hyper-V storage.','In':True,'ValueMap':['1', '2'],'Values':['Default', 'HyperV']}
DedupVolumeobject:MSFT_DedupVolume3-{'Description':'Array of references to the enabled volumes.','EmbeddedInstance':'MSFT_DedupVolume','Out':True}
Description'Enables deduplication on the specified volumes, using default settings.'
implementedTrue
staticTrue
Enable method is in 1 class (MSFT_DedupVolume) of ROOT\Microsoft\Windows\Deduplication and in 25 namespaces
ExpandFile method
Returnuint32 {'out':True}
Parameters
NameCIMTypeIDINOUTQualifiers
Pathstring0-{'Description':'List of deduplicated files to unoptimize.','In':True}
Description'Unoptimizes one or more deduplicated files.'
implementedTrue
staticTrue
ExpandFile method is in 1 class (MSFT_DedupVolume) of ROOT\Microsoft\Windows\Deduplication and in 2 namespaces

Detailed description of MSFT_DedupVolume properties

Local properties (22) of MSFT_DedupVolume class

Capacity property
CIMTYPE'uint64'
Description'The capacity of the volume, in bytes.'
readTrue
Capacity property is in 2 classes of ROOT\Microsoft\Windows\Deduplication and in 7 namespaces
ChunkRedundancyThreshold property
CIMTYPE'uint32'
Description'Specifies the number of identical chunks of data encountered during deduplication before the server will create a redundant copy of that data chunk. This increases the reliability of the system by adding redundancy to the most referenced chunks of data. Deduplication will detect corruptions and the Deduplication Scrubbing job will restore the corrupted chunks from a redundant copy if available. The default value is 100 identical chunks before a redundant copy is made. This parameter cannot be set to less than 20.'
readTrue
writeTrue
ChunkRedundancyThreshold property is in 1 class (MSFT_DedupVolume) of ROOT\Microsoft\Windows\Deduplication and in 2 namespaces
DataAccessEnabled property
CIMTYPE'boolean'
Description'Set to TRUE if data access to deduplicated files is enabled.'
readTrue
DataAccessEnabled property is in 1 class (MSFT_DedupVolume) of ROOT\Microsoft\Windows\Deduplication and in 2 namespaces
Enabled property
CIMTYPE'boolean'
Description'Set to TRUE if deduplication is enabled on this volume.'
readTrue
Enabled property is in 3 classes of ROOT\Microsoft\Windows\Deduplication and in 142 namespaces
ExcludeFileType property
CIMTYPE'string'
Description'Custom list of file extension types to exclude from data deduplication and optimization.'
readTrue
writeTrue
ExcludeFileType property is in 1 class (MSFT_DedupVolume) of ROOT\Microsoft\Windows\Deduplication and in 2 namespaces
ExcludeFileTypeDefault property
CIMTYPE'string'
Description'Default list of file extension types to exclude from data deduplication and optimization.'
readTrue
writeTrue
ExcludeFileTypeDefault property is in 1 class (MSFT_DedupVolume) of ROOT\Microsoft\Windows\Deduplication and in 2 namespaces
ExcludeFolder property
CIMTYPE'string'
Description'The list of root folders under which all files will be skipped during data deduplication and optimization. Full paths are accepted, however mounted folders will be ignored since the mounted folder can change after configuration.'
readTrue
writeTrue
ExcludeFolder property is in 1 class (MSFT_DedupVolume) of ROOT\Microsoft\Windows\Deduplication and in 2 namespaces
FreeSpace property
CIMTYPE'uint64'
Description'The amount of free space on the volume, in bytes.'
readTrue
FreeSpace property is in 2 classes of ROOT\Microsoft\Windows\Deduplication and in 8 namespaces
MinimumFileAgeDays property
CIMTYPE'uint32'
Description'Optimizes files that have not been accessed in the specified number of days. If the last access time is not available, then the last modified time is used.'
readTrue
writeTrue
MinimumFileAgeDays property is in 1 class (MSFT_DedupVolume) of ROOT\Microsoft\Windows\Deduplication and in 2 namespaces
MinimumFileSize property
CIMTYPE'uint32'
Description'Specifies the minimum size threshold for files to be optimized. Files that do not meet this minimum threshold will not be optimized.'
readTrue
writeTrue
MinimumFileSize property is in 1 class (MSFT_DedupVolume) of ROOT\Microsoft\Windows\Deduplication and in 2 namespaces
NoCompress property
CIMTYPE'boolean'
Description'Set to TRUE if the data should be compressed after deduplication.'
readTrue
writeTrue
NoCompress property is in 1 class (MSFT_DedupVolume) of ROOT\Microsoft\Windows\Deduplication and in 2 namespaces
NoCompressionFileType property
CIMTYPE'string'
Description'The list of file types to exclude from compression. These file types are deduplicated but not compressed, typically because the file format is already compressed.'
readTrue
writeTrue
NoCompressionFileType property is in 1 class (MSFT_DedupVolume) of ROOT\Microsoft\Windows\Deduplication and in 2 namespaces
OptimizeInUseFiles property
CIMTYPE'boolean'
Description'If TRUE, files in use are optimized.'
readTrue
writeTrue
OptimizeInUseFiles property is in 1 class (MSFT_DedupVolume) of ROOT\Microsoft\Windows\Deduplication and in 2 namespaces
OptimizePartialFiles property
CIMTYPE'boolean'
Description'If TRUE, portions of files that have been modified recently are not optimized (as controlled by the MinimumFileAgeDays parameter).'
readTrue
writeTrue
OptimizePartialFiles property is in 1 class (MSFT_DedupVolume) of ROOT\Microsoft\Windows\Deduplication and in 2 namespaces
SavedSpace property
CIMTYPE'uint64'
Description'Saved space is the difference between the logical size of the optimized files and the logical size of the store (the deduplicated user data plus deduplication metadata). Note that this number will remain steady as users delete files from, or add new files to, the volume-until you run an optimization job or execute the Update method of the MSFT_DedupVolumeStatus class. This number is most accurate after an optimization job runs or the Update method is executed.'
readTrue
SavedSpace property is in 2 classes of ROOT\Microsoft\Windows\Deduplication and in 2 namespaces
SavingsRate property
CIMTYPE'uint32'
Description'The ratio of deduplication saved space to the logical size of all of the files on the volume, expressed as a percentage. Note that this number will remain steady as users delete files from, or add new files to, the volume-until you run an optimization job or execute the Update method of the MSFT_DedupVolumeStatus class. This number is most accurate after an optimization job runs or the Update method is executed.'
readTrue
SavingsRate property is in 2 classes of ROOT\Microsoft\Windows\Deduplication and in 2 namespaces
UnoptimizedSize property
CIMTYPE'uint64'
Description'The total logical size of all files on the volume, in bytes. This includes all files, optimized and non-optimized. Note that this number will remain steady as users delete optimized files from the volume-until you run an optimization job or execute the Update method of the MSFT_DedupVolumeStatus class. This number is most accurate after an optimization job runs or the Update method is executed.'
readTrue
UnoptimizedSize property is in 2 classes of ROOT\Microsoft\Windows\Deduplication and in 2 namespaces
UsageType property
CIMTYPE'uint32'
Description'Type of data to be stored on volume, default (general purpose file shares) or Hyper-V storage.'
readTrue
ValueMap['1', '2']
Values['Default', 'HyperV']
UsageType property is in 1 class (MSFT_DedupVolume) of ROOT\Microsoft\Windows\Deduplication and in 2 namespaces
UsedSpace property
CIMTYPE'uint64'
Description'The amount of used space on the volume, in bytes.'
readTrue
UsedSpace property is in 2 classes of ROOT\Microsoft\Windows\Deduplication and in 4 namespaces
Verify property
CIMTYPE'boolean'
Description'If TRUE, a byte-for-byte verification is performed for each duplicate chunk detected during optimization rather than relying on a cryptographically strong hash. It is recommended to set this property to FALSE.'
readTrue
writeTrue
Verify property is in 1 class (MSFT_DedupVolume) of ROOT\Microsoft\Windows\Deduplication and in 2 namespaces
Volume property
CIMTYPE'string'
Description'A volume ID, drive letter (for example, D:), or volume GUID path for the volume.'
readTrue
Volume property is in 5 classes of ROOT\Microsoft\Windows\Deduplication and in 10 namespaces
VolumeId property
CIMTYPE'string'
Description'A volume GUID path for the volume. A volume GUID path is a string of the form '\\?\Volume{GUID}\' where GUID is a GUID that identifies the volume.'
keyTrue
readTrue
VolumeId property is in 5 classes of ROOT\Microsoft\Windows\Deduplication and in 2 namespaces

MSFT_DedupVolume Qualifiers

NameValueToInstanceToSubclassOverridableAmendedLocal
ClassVersion'1.0'
Description'Represents a volume that has data deduplication metadata.'
dynamicTrue
locale'MS_409'
provider'DeduplicationProvider'

MSFT_DedupVolume System properties

NameValueOriginCIMTypeLocalArray
__PATH'\\.\ROOT\Microsoft\Windows\Deduplication:MSFT_DedupVolume'___SYSTEM8
__NAMESPACE'ROOT\Microsoft\Windows\Deduplication'___SYSTEM8
__SERVER'.'___SYSTEM8
__DERIVATION[]___SYSTEM8
__PROPERTY_COUNT22___SYSTEM3
__RELPATH'MSFT_DedupVolume'___SYSTEM8
__DYNASTY'MSFT_DedupVolume'___SYSTEM8
__SUPERCLASSnull___SYSTEM8
__CLASS'MSFT_DedupVolume'___SYSTEM8
__GENUS1___SYSTEM3

Similar Classes to MSFT_DedupVolume

Number of classes:2
Class nameChildsPropertiesMethodsClass
Instances
Child
Instances
AbstractSingleton
MSFT_DedupVolumeMetadata0190----
MSFT_DedupVolumeStatus0221----
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