Administrator Guide
Expand a Volume
Expand the size of a volume if more space is needed.
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. From the STORAGE menu, click Volumes.
The Volumes view is displayed.
3. In the Volumes view, select the volume you want to expand.
4. Click (More Actions) and select Expand Volume.
The Expand Volume dialog box opens.
5. Type a new size for the volume, then click OK.
NOTE: Expanding a volume to a configured size greater than half the supported maximum volume size, as defined in
the
Storage Center Release Notes
, will no longer support view volumes
Enable or Disable Read/Write Caching for a Volume
Read and write caching generally improves performance. To improve performance, disable write caching on volumes that use SSD
storage.
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. Make sure Allow Cache Selection is enabled for volumes in the Storage Center user preferences.
a) In the upper right corner, click (Storage Center Settings).
The Storage Center Settings dialog box opens.
b) Click the Preferences tab.
c) Make sure the Allow Cache Selection checkbox is selected.
d) Click OK.
3.
From the STORAGE menu, click Volumes.
The Volumes view is displayed.
4. In the Volumes view select the volume you want to modify.
5. Click (Edit).
The Edit Volume dialog box opens.
6. Expand Advanced Settings.
7. Enable or disable the cache options as needed.
• Select or clear the Read Cache checkbox.
For volumes using SSD storage, test applications before enabling or disabling read cache.
• Select or clear the Write Cache checkbox.
To improve performance, disable write caching on volumes that use SSD storage for most applications.
8. Click OK.
Assign Snapshot Profiles to a Volume
Assign one or more snapshot profiles to a volume if you want snapshots to be created on an automated schedule.
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.
From the STORAGE menu, click Volumes.
The Volumes view is displayed.
3. From the Volumes view, select the volume you want to modify.
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Storage Center Administration