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Disk Usage
Available
Available space is the area that is available for data storage. The Available value is
displayed as an amount and as a percentage of the total capacity in the system.
Available space is divided into the following categories:
Free Space - The disk space that can be used for new deduplicated or non-dedupli-
●
cated data.
Reclaimable Space - The disk space that can be used for new deduplicated data. If the
●
ETERNUS CS800 is configured with non-deduplicated shares, the ETERNUS CS800
will automatically compact reclaimable space to create more free space as needed.
I
Used
Used space is the area that already holds data. The Used value is displayed as an amount
and as a percentage of the total capacity in the system.
Used space is divided into the following categories:
I
Deduplicated Data - The amount of data that has been deduplicated.
●
Data Not Intended For Deduplication - The amount of data that will not be dedupli-
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cated (data on shares or partitions that do not have deduplication enabled).
System Metadata - The amount of disk space used for internal operations of the
●
system, 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:
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.
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For optimal system performance, Fujitsu recommends keeping the amount of
Available disk space at 20% or more.
The value for each category is displayed as an amount and as a percentage of the
total capacity in the system.
Status
U41840-J-Z125-7-76
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