By default, VMware ESXi (5.x/6.x) utilizes the Round Robin (RR) Path Selection Policy (PSP) for volumes mapped from storage arrays with the 'NETAPP' Vendor ID/Product ID This policy attempts to balanc...By default, VMware ESXi (5.x/6.x) utilizes the Round Robin (RR) Path Selection Policy (PSP) for volumes mapped from storage arrays with the 'NETAPP' Vendor ID/Product ID This policy attempts to balance the I/O load across all active storage paths, based on the number of I/Os or bytes transmitted For instance, with the default I/O counter of 1000, any I/O in a storage path's queue must wait until that storage path can service the request
