Enabling Round Robin and MPIO on vSphere4

The purpose of this article is explain how to enable round robin and multipathing on an ESXi4 cluster. Our environment consists of: 48 HP BL460cG1 servers running ESXi4 embedded with qlogic fc mezzanine cards(2 hba’s/host) 3 C7000 Chassis with VC-Enet modules and Cisco MDS9124 switches SAN fabric connected to an HP EVA 8400 These instructions…