MSFT_DedupVolumeMetadata class
Represents the data deduplication metadata for a volume.
The following syntax is simplified from MOF code and includes all inherited properties.
Syntax
[dynamic, provider("DeduplicationProvider"), ClassVersion("1.0"), AMENDMENT]
class MSFT_DedupVolumeMetadata
{
String VolumeId;
String StoreId;
String Volume;
uint64 DataChunkCount;
uint32 DataContainerCount;
uint32 DataChunkAverageSize;
uint32 DataChunkMedianSize;
uint32 DataMaxChunkCount;
uint64 DataStoreUncompactedFreespace;
uint64 StreamMapChunkCount;
uint32 StreamMapContainerCount;
uint32 StreamMapAverageChunkCount;
uint32 StreamMapMedianChunkCount;
uint32 StreamMapMaxChunkCount;
uint64 HotspotChunkCount;
uint32 HotspotContainerCount;
uint32 HotspotMedianReferenceCount;
uint32 CorruptionLogEntryCount;
uint64 TotalChunkStoreSize;
};
Members
The MSFT_DedupVolumeMetadata class has these types of members:
Properties
The MSFT_DedupVolumeMetadata class has these properties.
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CorruptionLogEntryCount
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Data type: uint32
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Access type: Read-only
The number of corruption log entries for the volume.
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DataChunkAverageSize
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Data type: uint32
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Access type: Read-only
The data store size (not including chunk metadata) divided by the total number of data chunks in the data store.
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DataChunkCount
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Data type: uint64
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Access type: Read-only
The number of data chunks on the volume.
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DataChunkMedianSize
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Data type: uint32
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Access type: Read-only
This property is reserved for system use.
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DataContainerCount
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Data type: uint32
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Access type: Read-only
The number of containers in the data store.
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DataMaxChunkCount
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Data type: uint32
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Access type: Read-only
This property is reserved for system use.
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DataStoreUncompactedFreespace
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Data type: uint64
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Access type: Read-only
This property is reserved for future use.
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HotspotChunkCount
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Data type: uint64
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Access type: Read-only
The number of hot spots on the volume.
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HotspotContainerCount
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Data type: uint32
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Access type: Read-only
The number of containers in the hot spot store.
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HotspotMedianReferenceCount
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Data type: uint32
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Access type: Read-only
This property is reserved for future use.
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StoreId
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Data type: String
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Access type: Read-only
The unique ID for the data deduplication chunk store.
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StreamMapAverageChunkCount
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Data type: uint32
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Access type: Read-only
This property is reserved for future use.
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StreamMapChunkCount
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Data type: uint64
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Access type: Read-only
The number of stream map chunks on the volume.
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StreamMapContainerCount
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Data type: uint32
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Access type: Read-only
The number of containers in the stream map store.
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StreamMapMaxChunkCount
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Data type: uint32
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Access type: Read-only
This property is reserved for future use.
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StreamMapMedianChunkCount
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Data type: uint32
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Access type: Read-only
This property is reserved for future use.
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TotalChunkStoreSize
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Data type: uint64
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Access type: Read-only
The total chunk store size.
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Volume
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Data type: String
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Access type: Read-only
A drive letter (for example, D:) or volume GUID path for the volume.
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VolumeId
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Data type: String
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Access type: Read-only
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Qualifiers: key
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.
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Examples
For an example that uses the MSFT_DedupVolumeMetadata class, please see Data deduplication backup and restore sample.
Requirements
| Minimum supported client |
None supported |
| Minimum supported server |
Windows Server 2012 |
| Namespace |
Root\Microsoft\Windows\Deduplication |
| MOF |
|
| DLL |
|