HP Tape Library Interface Manager Software - Manual (Page 110)

110 Troubleshooting Chapter 5
— Confirm that the library is visible in the SCSI adapters folder of the
control panel.
— Confirm that there are no error indicators illuminated on the front panel
of the library.
Problem: Cannot Confirm Connection Through a Fibre Channel Switch
1. Check the LED indicators on each switch port.
— Steady green indicates that the port is online (connected with a device
over FC).
— Flickering green indicates frames are being transferred through the port.
— Yellow indicates port is not online, is disabled, or in fault.
— No light indicates no module, no cable, or power is off.
2. Telnet into the switch using instructions provided with the switch.
Note Numbers 3 through 5 below are only applicable to Brocade
Switches.
3. Using the [SwitchShow] command, confirm that the ports connected to the
FC HBA and the IM are online.
4. Using the [nsShow] command, confirm that the FC HBA and the IM have
logged into the name server.
5. Refer to the FC switch documentation for service procedures.
Problem: Cannot Confirm the Library Connection (HP-UX)
1. Confirm the library connection by using the [ioscan] command.
2. Before powering-on the IM, make sure the library and drives are
configured for SCSI. This can be done through the library’s front panel.
3. Make sure the library, drives, IM, and switch are powered-on and
connected properly.
4. Verify SCSI bus configuration: Check all appropriate devices for the
following conditions:
— Termination: Problems with termination can cause intermittent or hard
failure. Terminate the SCSI bus on both ends of the bus. By default, the