After Upgrade esx 4.1 tape HP ultrium 2 not run

From command line esx :
esxcli nmp satp deleterule --satp VMW_SATP_ALUA --claim-option tpgs_on
Reboot the host




For listing the rules associates with "VMW_SATP_ALUA" try this command ...

esxcli nmp satp listrules -s VMW_SATP_ALUA