Administrator Guide

Table Of Contents
Enable or Disable Deduplication for a Live Volume
Deduplication reduces the amount of data transferred and enhances the storage efficiency of the remote Storage Center by
copying only the changed portions of the snapshot history on the source volume, rather than all data captured in each snapshot.
Steps
1. Click the
HOME menu.
The Unisphere Central Home page is displayed.
If a Storage Center is selected from the drop-down list in Unisphere Central, click (Home).
2. From the
Data Mobility menu, click Replications & Live Volumes.
3. Select the Live Volumes tab.
4. Select the Live Volume to edit and click
(Edit).
The Edit Live Volume dialog box opens.
5. In the Replication Attributes area, select or clear Replication Deduplication.
6. Click OK.
Change the Bandwidth Control for a Live Volume
Select a different bandwidth control for a Live Volume to change how the Live Volume uses bandwidth.
Steps
1.
Click the HOME menu.
The Unisphere Central Home page is displayed.
If a Storage Center is selected from the drop-down list in Unisphere Central, click (Home).
2.
From the Data Mobility menu, click Replications & Live Volumes.
3. Select the Live Volumes tab.
4.
Select the Live Volume to edit and click (Edit).
The Edit Live Volume dialog box opens.
5. In the Replication Attributes area, select a Bandwidth Control:
From the Primary Bandwidth Control drop-down menu, select a definition that will be used for the Live Volume by the
primary Storage Center.
From the Secondary Bandwidth Control drop-down menu, select a definition that will be used for the Live Volume by
the secondary Storage Center.
6. Click OK.
Configure a Live Volume to Write Data to the Lowest Tier at the Destination
The Replicate Storage To Lowest Tier option forces all data written to the destination volume to the lowest storage tier
configured for the volume. By default, this option is enabled for asynchronous Live Volumes.
Prerequisites
The Live Volume must be asynchronous. The Replicate Storage To Lowest Tier option is not available for synchronous
Live Volumes.
The option Allow Select to Lowest Tier on Live Volume Create must be set in the Data Collector replication settings.
Steps
1.
Click the
menu.
The Unisphere Central Home page is displayed.
If a Storage Center is selected from the drop sown list, click .
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Storage Center Replications and Live Volumes