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Chapter 2. Installing the Library
18
Attaching More than One SCSI Device
To attach more than one device to the same SCSI bus, review the following sections:
•Verifying the SCSI Bus Requirements, below.
•Changing SCSI IDs as Necessary on page 19.
Verifying the SCSI Bus Requirements
To attach more than one device to a SCSI bus, confirm that the following requirements
have been met:
•Make sure that the total length of the SCSI bus is as short as possible to minimize
the potential for communication errors, such as cross-talk.
•Make sure that the total length of the SCSI bus, including cabling inside the library
and all other devices, does not exceed the maximum length specified in Appendix
B. SCSI Cable and Terminator Requirements.
•The SCSI IDs of all devices must be unique; no two devices can share the same SCSI
ID. To change the SCSI IDs for the library and drives, review Changing SCSI IDs as
Necessary on page 19.
Note: An incorrectly configured SCSI bus causes most problems
experienced while installing the library. Eliminate SCSI bus
problems early by taking the time to configure the bus correctly
the first time.