Administrator Guide

Change the Data Reduction Type for a NAS Volume
Change the data reduction type (Deduplication or Deduplication and Compression) for a NAS volume.
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 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.
7 Click OK.
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 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 les:
• 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.
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.
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.
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FluidFS Administration