Administrator Guide

• Data is rehydrated before being replicated to a target NAS volume. If replication is already congured, the data being reduced was
already replicated
• You cannot enable data reduction on a clone NAS volume.
• Data reduction stops automatically when a NAS volume has less than 5 GB of unused space. Therefore, a NAS volume resize can
inadvertently stop data reduction.
Conguring Data Reduction
Data reduction must be enabled at the system level and congured on a per NAS volume basis.
Enable or Disable Data Reduction on the FluidFS Cluster
Data reduction must be enabled at the system level before it will run on NAS volumes on which data reduction is enabled. To minimize the
impact of data reduction processing on system performance, schedule data reduction to run during o-peak times.
1 In the Storage view, select a FluidFS cluster.
2 Click the File System tab.
3 In the File System view, NAS Pool Advanced Status area, click Edit Data Reduction Settings.
The Edit Data Reduction Settings dialog box opens.
4 Enable or disable data reduction on the FluidFS cluster:
• To enable data reduction on the FluidFS cluster, select the Enable Data Reduction Optimization checkbox.
• To disable data reduction on the FluidFS cluster, clear the Enable Data Reduction Optimization checkbox.
5 Enter the Data Reduction Optimization Start Time.
6 Enter the number of hours to run data reduction in the Data Reduction Optimization Runtimeeld.
7 Click OK.
Enable Data Reduction on a NAS Volume
Data reduction is enabled on a per NAS volume basis.
Prerequisite
Data reduction must be enabled at the system level before it can run on individual NAS volumes.
Steps
1 In the Storage view, select a FluidFS cluster.
2 Click the File System tab.
3 In the File System view, expand NAS Volumes and select a NAS volume.
4 In the NAS Volume panel, click Edit Settings.
The Edit NAS Volume Settings dialog box opens.
5 Click Data Reduction.
6 Select the Data Reduction Enabled checkbox.
7 For the Data Reduction Method eld, select the type of data reduction (Deduplication or Deduplication and Compression) to
perform.
Deduplication and compression will usually save more space, but more resources will be used during data reduction and during reads of
data that was compressed, possibly reducing performance.
8 (Optional) Congure the remaining data reduction attributes as needed. These options are described in the online help.
• To change the number of days after which data reduction is applied to les that have not been accessed, type the number of days
in the Exclude Files Accessed in the Last eld. The number of days must be at least 1.
• To change the number of days after which data reduction is applied to les that have not been modied, type the number of days
in the Exclude Files Modied in the Last eld. The number of days must be at least 1.
9 Click OK.
FluidFS Administration
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