I have a P2000 G3 Storage Array that I wish to use with System Center 2012 VMM SP1. Both support SMI-S, so configuring should be straightforward right?
Make sure you are running the latest version of the P2000 Firmware, you can get it from hp.com
First create a new user on your P2000 using the web control panel, smiuser. In VMM create a new Run As account with the same credentials.
Then go to Fabric, and right click on Storage->Arrays and select to add your P2000. You need to use the following settings:
Make sure you either tick the Use SSL option depending on your setting on your HP 2000. After a minute or so you should be greeted with the option to scan the device.
Albal's Blog 