Quantum DXi4701, User Manual

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Chapter 7: DXi4701 Status
Disk Usage
182 Quantum DXi4701 User’s Guide
• 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.
• NFS Deduplicated Shares - (DXi4701 NAS configurations only) The
amount of data stored in deduplicated shares configured in
Network File System (NFS) format for Linux systems. This includes
incoming data from Directory/File Based Replication, and incoming
data from Failback replication.
• CIFS Deduplicated Shares - (DXi4701 NAS configurations only) The
amount of data stored in deduplicated shares configured in
Common Internet File System (CIFS), also known as Server Message
Block (SMB), format for Windows systems. This includes incoming
data from Directory/File Based Replication, and incoming data from
Failback replication.
• Deduplicated Partitions - (DXi4701 VTL configurations only) The
amount of data stored in deduplicated partitions. This includes
incoming data from Cartridge Based Replication, and incoming data
from Failback replication.
• OST Storage Servers - (DXi4701 NAS configurations only) The
amount of data stored in deduplicated OpenStorage (OST) storage
servers. This includes incoming data for OST and DXi Accent.
Data After Reduction
The Data After Reduction value represents the final, reduced size of all
data that has been processed by the data deduplication and
compression engines.
Data after reduction is divided into the following categories:
• Total Reduction Ratio - The total reduction ratio of all data that has
been processed by the data deduplication and compression engines
( Data Before Reduction divided by Data After Reduction ).
• 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.