Administrator Guide

Change the Candidates for Data Reduction for a NAS Volume
Change the number of days after which data reduction is applied to les that have not been accessed or modied for a NAS volume.
1. Click the Storage view and select a FluidFS cluster.
2. Click the File System tab.
3. In the File System tab navigation pane, expand NAS Volumes and select a NAS volume.
4. In the right pane, click Edit Settings. The Edit NAS Volume Settings dialog box appears.
5. 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 5.
6. 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 5.
7. 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.
1. Click the Storage view.
2. In the Storage pane, select a FluidFS cluster.
3. Click the File System tab.
4. In the File System tab navigation pane, expand NAS Volumes and select a NAS volume.
5. In the right pane, click Edit Data Reduction Settings. The Edit Data Reduction Settings dialog box appears.
6. Clear the Data Reduction check box.
7. To rehydrate data on subsequent read operations, select the Rehydrate on Read check box.
8. 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.
1. Click the Storage view and select a FluidFS cluster.
2. Click the File System tab. The data reduction savings are displayed in the Data Reduction Saving eld in the right pane in the
NAS Pool Status section.
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.
1. Click the Storage view and select a FluidFS cluster.
2. Click the File System tab.
3. In the File System tab navigation pane, expand NAS Volumes and select a NAS volume. The data reduction savings are
displayed in the Data Reduction Saving eld in the right pane.
FluidFS NAS Volumes, Shares, and Exports
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