Home Page Data Reduction Statistics Overview
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Data Reduction Statistics Overview
The Data Reduction Statistics overview on the Home page (see Figure 119) displays the
following information about the results of data reduction:
I
Click an item to view detailed statistics for disk usage (see "Disk Usage" on
page 404).
● 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:
● Incoming Replication - The amount of data stored on the ETERNUS CS800 via repli-
cation from another ETERNUS CS800. This does not include incoming data from
Directory/File or Cartridge Based Replication, or incoming data from Failback repli-
cation.
● Shares & Partitions - The amount of data stored on the ETERNUS CS800 via local
I/O.
● 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.
Figure 119: Data Reduction Statistics Overview
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