windows server 2012 支持重删的前提条件
Volumes that are candidates for deduplication must conform to the following requirements:[*] Must not be a system or boot volume. Deduplication is not supported on operating system volumes.
[*] Can be partitioned as a master boot record (MBR) or a GUID Partition Table (GPT), and must be formatted using the NTFS file system.
[*] Can reside on shared storage, such as storage that uses a Fibre Channel or an SAS array, or when an iSCSI SAN and Windows Failover Clustering is fully supported.
[*] Do not rely on Cluster Shared Volumes (CSVs). You can access data if a deduplication-enabled volume is converted to a CSV, but you cannot continue to process files for deduplication.
[*] Do not rely on the Microsoft Resilient File System (ReFS).
[*] Can’t be larger than 64 TB in size.
[*] Must be exposed to the operating system as non-removable drives. Remotely-mapped drives are not supported.
http://i.technet.microsoft.com/areas/global/content/clear.gifNoteFiles with extended attributes, encrypted files, files smaller than 32 KB, and reparse point files are not processed by deduplication.
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