ESXi 5.0 and passtrough SCSI tape device

1. Enable local or ssh support console in ESXi troubleshooting options on the the host (in the F2 settings screen)
2. Login to the support console
3. Change the behaviour how ESXi handles the used controller and force it to VMW_SATP_LOCAL by entering the following command
i.e. for HP / LSI SAS Controller: esxcli storage nmp satp rule add –satp=VMW_SATP_LOCAL –driver=“mptsas“
i.e. for Adaptec Ultra 320 SCSI Controller: esxcli storage nmp satp rule add –satp=VMW_SATP_LOCAL –driver=“aic79xx“
4. Reboot the ESXi host