HP Surestore Tape Library Model 20/700 HP Surestore Bridge FC 2/1 LV and FC 4/ - Page 191
Fibre Channel-to-SCSI Mapping, have been chosen to work in most cases.
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Chapter 8 - Device ID: Each device on a SCSI bus must have a unique ID. The default SCSI ID of the bridge is 7. Make sure that this ID is not in use on the bus. Check the library or MO jukebox user guide for the default SCSI IDs. Verify that other IDs on the bus are not in conflict. - Cabling: Check SCSI cables to verify that they are functional. Be sure the maximum cable length on the differential cable connected to the bridge does not exceed a total of 25 meters. Make sure that the SCSI cables are qualified for operation at the intended data rate. Check all cable connections and pins on the connectors. Reseat the connections if necessary. 7. Verify SCSI bus operation: Use the serial connection between the Windows NT host and the bridge. See Chapter 4 for default settings and for steps to initiate the following procedures: - Perform a bridge self-test. - Verify device locations using the Fibre Channel to SCSI mapping menu. See Fibre Channel-to-SCSI Mapping on page 95. Note If you experience communication difficulty with the bridge, confirm that the terminal emulation software (Hyperterminal, or similar) has been configured properly. See Chapter 4 for more information. 8. Verify bridge configurations: Configuration changes may result in an invalid configuration. Try the default bridge configurations settings, as they have been chosen to work in most cases. If you are in doubt about the configuration, refer to Chapter 4. If this procedure fails, contact an HP service representative. 9. Verify devices: If the previous diagnostic procedures have not resulted in a functional connection between the bridge and each device, use the following steps: - Connect the library or MO jukebox to a SCSI HBA on the host and restart the host. Verify functionality with the SCSI connection. - Confirm that the library or MO jukebox 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 or MO jukebox. Diagnosing Problems 193 Chapter 8
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