Administrator Guide

Table Of Contents
Change the Candidates for Data Reduction for a NAS Volume
Change the number of days after which data reduction is applied to files that have not been accessed or modified for a NAS
volume.
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. Specify when to apply data reduction for files:
To change the number of days after which data reduction is applied to files that have not been accessed, type the
number of days in the Exclude Files Accessed in the Last field. The number of days must be at least 1.
To change the number of days after which data reduction is applied to files that have not been modified, type the
number of days in the Exclude Files Modified in the Last field. The number of days must be at least 1.
6. Click OK.
Disable Data Reduction on a NAS Volume
By default, after disabling data reduction on a NAS volume, data remains in its reduced state during subsequent read operations.
You have the option to enable rehydrate-on-read when disabling data reduction, which causes a rehydration (the reversal of
data reduction) of data on subsequent read operations.
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 Volumes panel, click Edit Settings.
The Edit NAS Volume Settings dialog box opens.
5. Clear the Data Reduction checkbox.
6. Click OK.
Viewing Data Reduction Savings
Storage Manager displays data reduction savings for individual NAS volumes and for the FluidFS cluster.
View Data Reduction Savings for a FluidFS Cluster
View the amount (in megabytes) and percentage of storage space reclaimed for a FluidFS cluster as a result of data reduction
processing.
Steps
1. In the Storage view, select a FluidFS cluster.
2. Click the File System tab.
The FluidFS NAS Pool Status panel displays the data reduction savings.
View Data Reduction Savings for a NAS Volume
View the amount (in megabytes) of storage space reclaimed for a NAS volume as a result of data reduction processing.
Steps
1. In the Storage view, select a FluidFS cluster.
FluidFS Administration
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