these are perfect
What is the recommended multi pathing policy that we can set in ESX I 5 and EMX NS120 for multipathing config for failover and faiback scenerios.  Right now esxi5 is set to -  Path Selection - Fixed ( Vmware) , Storage Array Type - VMW_SATP_ALUA-CX .  In EMC NS120 Storage connectivity for the host fail over mode - Option Fail over Mode - Active-Active mode ( ALUA - failovermode 4 .
Recommended Multi pathing policy - config for esxi5 and emc ns120 fiber channel