Optimizing Java Memory for Navisphere / Unisphere

If you have a CLARiiON system with a large configuration in terms of disks, LUNs, initiator records, etc, you may experience a slowdown when managing the system with Navisphere or Unisphere.  If you increase the amount of memory that Java can use, you can significantly improve the response time when using the management console.

Here are the steps:

  1. Log in to the CLARiiON setup page (http://<clariion IP>/setup).  Go to Set Update Parameters > Update Interval.  Change it to 300.
  2. On the Management Server (or your local PC/laptop) go to Control Panel and launch the Java icon.
  3. Go to the Java tab and click view.
  4. Enter -Xmx128m under Java Runtime Parameter, which allocates 128MB for Java.  This number can be increased as you see fit, you may see better results with 512 or 1024.
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