Administrator Guide

Set Default Data Reduction Settings for New Volumes
The default data reduction settings are used when a new volume is created unless the user changes them. You can prevent the
default data reduction settings from being changed during volume creation by clearing the Allow Data Reduction Selection
checkbox.
Steps
1. If you are connected to a Data Collector, select a Storage Center from the drop-down list in the left navigation pane of
Unisphere Central.
2. Click Summary.
The Summary view is displayed.
3. Click
(Settings).
The Storage Center Settings dialog box opens.
4. Click the Preferences tab.
5. Configure data reduction defaults.
● In the Data Reduction Profile drop-down menu, set the data reduction profile default for new volumes.
● Select the Allow Data Reduction Selection checkbox to allow users to enable or disable data reduction when creating
volumes.
6. Click OK.
Set the Default Snapshot Options for New Volumes
The default snapshot options are used when a new volume is created unless the user changes them.
Steps
1. If you are connected to a Data Collector, select a Storage Center from the drop-down list in the left navigation pane of
Unisphere Central.
2. Click
Summary.
The Summary view is displayed.
3. Click (Settings).
The Storage Center Settings dialog box opens.
4. Click the Preferences tab.
5. Choose default Snapshot Profiles.
a. In the Snapshot area, click Change.
The Select Snapshot Profiles dialog box opens.
b. In the top pane, select the Snapshot Profiles to assign to new volumes by default.
c. Click OK.
The Select Snapshot Profiles dialog box closes.
6. In the Minimum Snapshot Interval field, type the number of minutes that must pass after a snapshot is taken before a
subsequent snapshot can be taken.
7. Click OK.
Allow or Disallow Advanced Volume Mapping Settings
Advanced volume mapping options include LUN configuration, mapping path options, and making the volume read-only.
Steps
1. If you are connected to a Data Collector, select a Storage Center from the drop-down list in the left navigation pane of
Unisphere Central.
2. Click
Summary.
The Summary view is displayed.
3. Click (Settings).
The Storage Center Settings dialog box opens.
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Storage Center Maintenance