Chapter 5: Home Page
Data Reduction Statistics
Quantum DXi6900 User’s Guide
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Description
Reclaimable Space
The disk space that is occupied by outdated deduplicated data
and which will be automatically reused if additional space for
new deduplicated data is needed.
Used Disk Space
The disk space that already holds data, including deduplicated
data, system metadata, and data not intended for
deduplication.
Deduplicated Data
The amount of data that has been deduplicated.
Data Not Intended for Deduplication
The amount of data on shares or partitions that do not have
deduplication enabled.
System Metadata
The amount of disk space used for internal operations of the
DXi, including system configuration files as well as temporary
files created during replication, space reclamation, and
healthchecks.
Click an item to view detailed statistics for disk usage (see
).
Data Reduction Statistics
The
Data Reduction Statistics
overview on the
Home
) displays the following
information about the results of data reduction:
Figure 81:
Data Reduction Statistics Overview
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.
