Fujitsu MBA3300NP Manual Do Utilizador

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Glossary 
Additional Sense Code 
This is a 1-byte code displayed in the sense data and is information which 
specifies the type of error that was detected. 
Bus phase 
The name of 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 divided into 
subphases such as DATA IN, DATA OUT, COMMAND, STATUS, 
MESSAGE IN, and MESSAGE OUT. 
CDB 
Command Descriptor Block 
A series of data which describes commands related to input/output operations, 
sent from the initiator to the target. 
Command 
This is a command to a target to perform an input/output operation, and it is 
described as the CDB. 
Disconnect 
Operation performed by the target to free itself from the SCSI bus and the 
initiator temporarily when SCSI bus operation becomes unnecessary during 
command processing. 
Initiator 
This is an SCSI device which initiates input and output operations on the SCSI 
bus. 
Message 
Information that controls a series of bus phases and I/O sequence between the 
initiator and the target on the SCSI bus. 
Logical unit 
Simple unit of equipment that can be directed to perform one I/O operation on 
the SCSI bus. 
LUN 
Logical unit number used to identify a logical unit. 
Reconnect 
Operation performed by the target to reconnect itself with the initiator when 
operation on the SCSI bus becomes necessary after disconnection. 
C141-E270 
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