Fujitsu MAN3367FC Manual/User Guide - Page 133

Glossary

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Glossary Bus condition Asynchronous conditions used to change the transition of the SCSI bus state. The ATTENTION and RESET conditions are used. Bus phase Name of the SCSI bus state. The SCSI bus can be either in the BUS FREE, ARBITRATION, SELECTION, RESELECTION, or INFORMATION TRANSFER phase. The INFORMATION TRANSFER phase is further subdivided into the DATA IN, DATA OUT, COMMAND, STATUS, MESSAGE IN, or MESSAGE OUT phase depending on the type of transferred information. Command Instruction for input/output operation issued to the target. This manual uses CDB for short. Common Command Set (CCS) Standard SCSI logical specification, which has been defined by the relevant working group of the American National Standards Institute (ANSI). This specification covers the functions that must be implemented in direct access storage devices (DASDs), such as hard disk drives. Common Descriptor Block (CDB) Data structure that contains an input/output SCSI command. A CDB is sent from the initiator to the target. Disconnect Operation executed by the target to temporarily disconnect the connection between the SCSI bus and the initiator when use of the SCSI bus is no longer required while the target is executing a command. Initiator (INIT) SCSI device that starts input/output operations on a SCSI bus. This manual also uses INIT for short. C141-E133-02EN GL-1

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C141-E133-02EN
GL-1
Glossary
Bus condition
Asynchronous conditions used to change the transition of the SCSI bus state.
The
ATTENTION and RESET conditions are used.
Bus phase
Name of the SCSI bus state.
The SCSI bus can be either in the BUS FREE,
ARBITRATION, SELECTION, RESELECTION, or INFORMATION
TRANSFER phase.
The INFORMATION TRANSFER phase is further
subdivided into the DATA IN, DATA OUT, COMMAND, STATUS, MESSAGE
IN, or MESSAGE OUT phase depending on the type of transferred information.
Command
Instruction for input/output operation issued to the target.
This manual uses CDB
for short.
Common Command Set (CCS)
Standard SCSI logical specification, which has been defined by the relevant
working group of the American National Standards Institute (ANSI).
This
specification covers the functions that must be implemented in direct access
storage devices (DASDs), such as hard disk drives.
Common Descriptor Block (CDB)
Data structure that contains an input/output SCSI command.
A CDB is sent from
the initiator to the target.
Disconnect
Operation executed by the target to temporarily disconnect the connection between
the SCSI bus and the initiator when use of the SCSI bus is no longer required
while the target is executing a command.
Initiator (INIT)
SCSI device that starts input/output operations on a SCSI bus.
This manual also
uses INIT for short.