IBM Tivoli Storage Manager, Version 7.1

Setting the multiple LUN options to "on" for Adaptec SCSI and Qlogic Fibre-Channel HBA BIOS settings on Linux

By default, Adaptec SCSI adapters set the multiple logical unit number (LUN) option to "off" in their BIOS, which makes the SCSI adapter driver unable to probe a SCSI unit with multi-LUN properly.

Procedure

The multiple LUN option must be turned on. Complete the following steps to turn on the multiple LUN options:

  1. Press the Ctrl and A keys at the same time.
  2. Select SCSI Device Configuration in the Configure/View Host Adapter Setting.
  3. Change No to Yes for Bios Multiple LUN support.
Parent topic: Device driver hints and tips

Turning on the tape enable option

By default, Qlogic Fibre host bus adapters set the tape enable option as off in their BIOS, which affects the running of some SCSI commands on several SCSI tape devices.

Procedure

The tape enable option must be turned on. Complete the following steps to turn on the tape enable option.

  1. Press the Alt and Q keys at the same time.
  2. Select Advanced Settings.
  3. Change Disable to Enable for Fibre Channel Tape Support.

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