Quantum DXi4700

Chapter 7: Status
Disk Usage
Quantum DXi4700 User’s Guide 170
Category Description
Deduplicated Data The amount of data that has been deduplicated.
Data Not Intended For Deduplication The amount of data that will not be deduplicated (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.
Data Before Reduction
The Data Before Reduction value represents the original, native size of all data that has been processed
by the data deduplication and compression engines.
Data before reduction is divided into the following categories:
Category 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.
NFS Deduplicated Shares (DXi4700 NAS and Multi-Protocol 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/SMB Deduplicated Shares (DXi4700 NAS and Multi-Protocol configurations only) The amount of data
stored in deduplicated shares configured in Common Internet File System
(CIFS/SMB), 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 (DXi4700 VTL and Multi-Protocol 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 (DXi4700 NAS and Multi-Protocol 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.