Hi Stranger6045,

Please refer the reply of following thread talking about the training of Symmetrix Performance.

Re: Training on Symmetrix Performance

Refer the reply for performance metrics description about the Symmetrix

Re: Symmetrix performance

There is external blog list some consideration about the VMAX performance configuration is also good to read.

Best Practices for Symmetrix Configuration

The last link above is a summary of one of my older "Best Practices" presentation.  The most recent version with audio can be found here:

Brainshark