SCSI Basics
This appendix provides an overview of the Small Computer System 2
SCSI components
The SCSI system consists of the following components:
Initiator. The host computer system acts as the initiator of commands. It consists of the application software, the operating system, the device driver, and the SCSI adapter card.
Bus. The SCSI cables connected to the adapter card and to the library (as well as other devices on the bus) provide a pathway or “bus”) for passing commands.
Targets. The library and the tape drives are peripheral devices (or targets) that are capable of receiving commands from the host. Up to eight devices (including the host computer) can be connected to the SCSI bus, in what is referred to as a daisy chain.
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