Data Reduction Statistics

The Data Reduction Statistics overview on the Home page (see Figure 1) displays the following information about the results of data reduction:

Data Reduction Information	Description
Data Size Before Reduction	The original, native size of all data that has been processed by the data deduplication and compression engines.
Data Size After Reduction	The final, reduced size of all data that has been processed by the data deduplication and compression engines.
Total Reduction Ratio	The total reduction ratio of all data that has been processed by the data deduplication and compression engines (Data Size Before Reduction divided by Data Size After Reduction).

Click Show More to display additional information:

Show More Information	Description
Incoming Replication	The amount of data stored on the DXi via replication from another DXi . This does not include incoming data from Directory/File or Cartridge Based Replication, or incoming data from Failback replication.
Shares & Partitions	The amount of data stored on the DXi via local I/O. This includes incoming data from Directory/File or Cartridge Based Replication, and incoming data from Failback replication.
OST Storage Servers	The amount of data stored in deduplicated OpenStorage (OST) storage servers. This includes incoming data for OST and DXi Accent.
Deduplication Ratio	The deduplication ratio of all data that has been processed by the data deduplication engine.
Compression Ratio	The compression ratio of all data that has been processed by the compression engine.

Click an item to view detailed statistics for disk usage (see Disk Usage).