HP 3PAR Windows 2012 and Windows Server 2008 Implementation Guide

iSCSI
HP 3PAR OS Persistent Ports Setup and Connectivity Guidelines for iSCSI
Starting with HP 3PAR OS 3.1.3, the HP 3PAR OS Persistent Ports feature is supported for iSCSI.
The HP 3PAR OS Persistent Ports feature is enabled by default for HP 3PAR StoreServ Storage
iSCSI ports during node-down events.
HP 3PAR OS Persistent Ports Setup and Connectivity Guidelines for iSCSI
Specific cabling setup and connectivity guidelines need to be followed for HP 3PAR OS Persistent
Ports to function properly.
A key element for iSCSI connectivity is that partner ports must share the same IP network.
56 Setting Up a Windows Server 2012 or 2008/HP 3PAR StoreServ Storage Configuration with iSCSI Storage