SCSI Description
5–18 Quantum Atlas 10K II Ultra160/m SCSI Hard Disk Drives
Table 5–5 DATA-Phase Command Contents
Length Data Out Data In
Command in CDB (To Drive) (To Initiator)
CHANGE DEFINITION 0 --- ---
FORMAT UNIT 0 Defect List Header (4) ---
Initialization Pattern (6-8)
Defect Descriptors
INQUIRY Allocation --- Standard Inquiry or a
Vital Product Data page
LOG SELECT Parameter List --- ---
(must be 0)
LOG SENSE Allocation --- Log Page
MODE SELECT Parameter List Mode Parameter Header (4) ---
Block Descriptor (8)
Page(s)
MODE SENSE Allocation --- Block Descriptor (8)
PERSIST. RES. IN
PERSIST. RES. OUT
READ (6) (10) Transfer --- Data
READ BUFFER Allocation --- READ BUFFER Header (4)
Mode-zero Buffer (512) or
Section of Drive’s DRAM or
READ BUFFER Desc. (4)
READ CAPACITY Allocation --- READ CAPACITY data (8)
READ DEFECT DATA Allocation --- • Defect List (Hdr) (4)
• Defect Descriptors
READ LONG Byte Transfer --- • Data (512)
(Must be 560) • LBA Tag (2)
• EDC (2)
• ECC (44)
READ SKIP MASK
REASSIGN BLOCKS 0 Defect List Header(4) Defect Descriptors
RECEIVE Allocation --- Diagnostic Page
DIAGNOSTIC RESULTS • ECC (25)
RELEASE 0 --- ---
REPORT DEVICE
IDENTIFIER
REQUEST SENSE Allocation --- Sense Data (18)
RESERVE 0 --- ---
(Extent List
Option not
supported)
REZERO UNIT 0 --- ---
(continued)
