With the release of LeftHand OS 12.0, HP have introduced a Multi-Path Extension Module to replace the previously recommended path selection policy being ‘Round Robin’ and Storage Array Type Plugin VMW_SATP_DEFAULT_AA .By default Round Robin would send 1,000 I/O down each path , Reference –  Verify Mutilpath Policy IOPS  . HP StoreVirtual Multipathing Extension Module (MEM) for … Continue reading HP StoreVirtual Multi-Path Extension Module (MEM) for vSphere