Fujitsu MBA3147RC Product Manual - Page 89

Glossary, Additional Sense Code, Command, Initiator, SAS Device, Sense Data, Sense Key, Status, Target

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Page 89 highlights

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. 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. Initiator This is an SAS device which initiates input and output operations on the SAS bus. SAS Device The general name given to a device which is connected to the SAS bus (input/output device, I/O controller, host adapter, expander, etc.). SCSI Small Computer System Interface The standardized input/output interface of the American National Standards Institute (ANSI). [Standard No.: ANSI X3. 131-1986] Sense Data When several items of error information are included in a command's completion status, this is information generated by the target for reporting detailed information on that status. Sense Key This is a 4-bit code displayed in the sense data. It contains information for classifying the type of error that was detected. Status This is 1 byte of information reported to the initiator by the target device when execution of each command is completed, which displays the command's completion state. Target This is the SAS device that executes the input/output operations initiated by the initiator. C141-E252 85

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C141-E252
85
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.
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.
Initiator
This is an SAS device which initiates input and output operations on the SAS bus.
SAS Device
The general name given to a device which is connected to the SAS bus
(input/output device, I/O controller, host adapter, expander, etc.).
SCSI
Small Computer System Interface
The standardized input/output interface of the American National Standards
Institute (ANSI).
[Standard No.:
ANSI X3. 131-1986]
Sense Data
When several items of error information are included in a command's completion
status, this is information generated by the target for reporting detailed
information on that status.
Sense Key
This is a 4-bit code displayed in the sense data.
It contains information for
classifying the type of error that was detected.
Status
This is 1 byte of information reported to the initiator by the target device when
execution of each command is completed, which displays the command's
completion state.
Target
This is the SAS device that executes the input/output operations initiated by the
initiator.