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1.4
GLOSSARY
Bit number
Command Descriptor Block A command block that is used to communicate requests
(CDB) :
Connect
Disconnect
XX
, XXh
H
Initiator
INTERMEDIATE status A status code that is sent from a target to an initiator on
I/O Process
Logical unit
Logical unit number (LUN) An encoded 6 - bit identifier for a logical unit.
Nexus
I_T Nexus
I_T_L Nexus
I_T_L_Q Nexus
1 GENERAL DESCRIPTION
A number that represents the weighted position of one byte.
Bit n represents a value of 2 n .
from
an initiator to a target.
A function used by an initiator to select a target to initiate
an operation.
A function used by a target to release the SCSI bus control,
allowing the SCSI bus to go to the BUS FREE phase.
A hexadecimal representation of a number (XX with a
subscript H/h represents a hexadecimal number).
A SCSI device (usually a host computer) that requests
another SCSI device to perform an operation.
completion of a command in a set of linked commands
except the last command in the set.
An I/O Process is a command process which is requested by
an initiator to a target. An I/O Process, in general, begins
from an initial selection, through a receiving the CDB and
a disconnecting/ reconnecting from/ to an SCSI BUS, and
ends by a COMMAND COMPLETE or ABORT/Reset. A
set of Linked commands is treated as a single I/O Process.
A physical device that is addressable through a target.
A combination on an SCSI interface to perform an I/O
Process.
A combination of an initiator and a target.
A combination of an initiator, a target and a logical unit.
A combination of an initiator, a target, a logical unit and a
Queue Tag.
OEM MANUAL:K6602924
Revision: 1 / Date: 2003.03.06
Page: 19 / 273
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