Backup Manager Management Reports > Data Domain NetBackup File Compression Detail
  
Version 10.1.01
Data Domain NetBackup File Compression Detail
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Backup Manager > Management Reports > Data Domain NetBackup File Compression Detail
View Data Domain NetBackup file pre- and post-compression values.This information can be instrumental in determining efficient storage strategies and identifying storage that can be reclaimed, thereby reducing archive storage expenses. This data can be used to identify clients with inefficient de-duplication ratios, highlighting where de-deduplication is not an effective approach for certain backed-up files. For example, some hosts may be running database applications that are constantly producing unique bits of data. These hosts can consume much of the expensive Data Domain storage. Data Domain collection now can identify the largest offenders, which can then be moved to less expensive storage to avoid paying premium rates for de-duplication. See also, Data Domain NetBackup File Compression Summary.
Configure EMC Data Domain collection to capture Veritas NetBackup image-level compression rates. Aggregated global and local compression rates for all Veritas NetBackup backup images can be collected for all active Data Domain Server MTrees connected (via DDBOOST) to NetBackup Master Servers. These NetBackup Master Servers must have an active Data Collector that has successfully completed an initial data collection.
These values are relevant as of the last successful data collection cycle.
System
Name of the Data Domain appliance.
Client
Name of Client backed up by the NetBackup job.
Server
Name of the host to display in Portal reports.
Backup ID
The ID that identifies a specific NetBackup job.
Date
The date and time that a backup job wrote to the Data Domain appliance.
Storage Unit/Volume
Name of the Storage Unit/Volume used in the backup.
Policy Name
Name of the NetBackup policy used in the backup.
Original Size
Amount of logical capacity associated with the backup.
Global Compressed
De-duplication ratio: (raw_bytes / pre_local_compression_size).
Global Deduplication %
Percentage of Global compression (100 - (Global Compressed/Original Size)*100).
Local Compressed
Local compression algorithm: (pre_local_compression_size / post_local_compression_size).
Local Compression %
Percentage of Local compression (100 - (Local Compressed/Original Size)*100)
Metadata
System overhead metadata.
Bytes to Storage Ratio
Bytes to Storage Ratio: bytes/storage_used (local_compression + metadata).