MAN3184, MAN3367, MAN3735 Series Disk Drives
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For Safe Operation
Related Standards
Ansi
Ansi Ncits
SBC Ansi
Revision Record
Composition and Contents of This Manual
Command Processing
Command Specifications
Sense Data and Error Recovery Methods
Disk Media Management
Glossary
List of Abbreviations
Model Name
Requesting for User’s Comments
Manual Organization
Contents
Chapter Command Specifications
Read Keys
Read Reservations
Persistent Reserve OUT 5F
Parameter Data Formats
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Disk Media Management
Sense Data Error Recovery Methods
Glossary Abbreviations
Figures
Tables
Command Processing
Command Format
LUN
6-Byte CDB Basic Format
12-Byte CDB Basic Format
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Vendor unique
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Status Byte Code
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Outline of Command Processing Single commands
Command link
Responses to Link Specification Commands
Reservation
Disconnect/reconnect processing
Conditions for Permitting a Disconnect
Types of Command and Disconnect Processing
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Synchronous mode data transfer/wide mode data transfer
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Untagged queuing
If disconnect processing is impossible
If the IDD is reserved
Tagged queuing
READ, Read EXTENDED, WRITE, Write Extended
Generation of the Unit Attention condition
Target Reset
Unit Attention condition multiple hold
Sense Data Hold State Sense data hold condition
Response and release conditions at sense data hold state
Command Processing Exceptions Overlapping commands
Command processing in the not ready state
Illegal LUN specification
Reserved operation code
Sense data in not ready state
Hardware Error
Not Ready
Error recovery processing
Outline of Scsi Bus Error Recovery Processing
Outline of disk drive error recovery processing
Reset processing
Reset processing during write
Fatal hardware errors
Data Block Addressing Definition of data space
Data space configuration
Logical block addressing
Data Buffer Look-Ahead Cache Feature Write Cache
Data Buffer Data buffer configuration and basic operation
Data buffer configuration in the case of 8 cache segments
Init
Example of data buffer operation during read
Example of data buffer operation during write
Operation mode setting
Parameters for controlling reconnection timing
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Caching operation
Read Write Extended Read Extended Write and Verify
Caching parameters
Cache control parameters
Look-Ahead operation, Look-Ahead volume
Write Cache
Command Specifications
Control/Sense Commands Test Unit Ready
Inquiry
Evpd
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Standard Inquiry data
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Ackbreqb ACKB/REQB
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Byte
Code Description
SAM2
OXS01, OX9B
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VPD information VPD identifier list
VPD information device serial No
VPD information operation mode
Wdtr Untain Sdtr Rsrty Phscrc AGD ACE RTD
Read Capacity
PMI
Read Capacity data
SCSI-2
Change Definition
SCSI-3
Wdtr
Sdtr Rsrty Phscrc AGD ACE RTD
Request Sense
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Mode Select
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Mode Select parameter structure
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Block Descriptor
Header
Descriptor
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Page
Page
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Mode Select Extended
Mode Select Extended command Group 2 parameter configuration
Mode Sense 1A
LUN DBD
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Mode Sense Data Type Specifications
10 Mode Sense command Group 0 parameter configuration
Dpofua
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Page
Mode Sense Extended 5A
Bit Byte Code Length Parameter Field
Rezero Unit
START/STOP Unit 1B
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Reserve
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Reserve right and the third party reserve function Remark
Targ TARG/INIT
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Reserve Extended
Release
Release Extended
Request Sense
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LOG Select 4C
LUN PCR
Reserved
TSD ETC TMC Lbin
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LOG Sense 4D
LUN PPC
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Persistent Reserve in 5E
Persistent Reserve in service actions
Read Reservation
Read Reservations
Read Keys
Persistent Reserve in parameter data for Read Keys
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Persistent Reserve in parameter data for Read Reservations
Reservation Key
Persistent reservations scope
18.3.1.1 Logical unit scope
Persistent Reserve OUT
Element scope not supported
Persistent reservations type codes
Persistent Reserve OUT 5F
Persistent Reserve OUT service actions
Persistent Reserve OUT service action codes
Persistent Reserve OUT parameter list
Aptpl
Persistent Reserve OUT service action and valid parameters
Report Luns A0
LUN List Length N-7 Header
Report Device Identifier A3
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SET Device Identifier A4
Byte Bit
Data Access Commands Read
Read Extended
LUN FUA
Write 0A
Write Extended 2A
Write and Verify 2E
Verify 2F
Seek 0B
Seek Extended 2B
SET Limits 33 Not Supported
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Synchronize Cache
Format Commands Format Unit
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FOV Dprv Dcrt Stpf
Defect List D List
Dcrt disable certification Default value
Dpry disable primary Default value
FOV format option valid
Immed Immediate
Stpf stop format Default value
Defect list length
Byte distance from the index format defect descriptor
14 Defect descriptor Byte distance from index format
Physical sector address format defect descriptor
15 Defect descriptor physical sector address format
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Format Unit command defect processing 1
FOV Dpry
Format Unit command defect processing 2
Reassign Blocks
16 Reassign Block command defect data list configuration
= Hardware Error
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Read Defect Data
17 Read Defect Data command Defect data configuration
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Send Diagnostic 1D
SELF-TEST Code
Setting prohibited
Error recovery control flags during the self-diagnosis test
PER DTE
Remark
Parameter length
Parameter
19 Send Diagnostic parameters page code list
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Receive Diagnostic Results 1C
Parameter length
22 Receive Diagnostic Results response data page code list
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Write Buffer 3B
24 Write Buffer command buffer data Mode = 000
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Page
Microcode has Been Changed
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Read Buffer 3C
25 Read Buffer command buffer data Mode = 0000
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26 Read Buffer command buffer descriptor
27 Read Buffer command Echo buffer descriptor
Ebos
Read Long 3E
05 = Illegal Request
Write Long 3F
05 = Illegal Request
Write Same
Mode Parameters
Mode Parameters Log Parameters
Read/Write error recovery parameters page code =
‘FF’
Awre Arre ERR PER DTE DCR
‘FFFF’
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Page
Page
Page
Combination of error recovery flags 1
EER PER DTE DCR
Combinations of error recovery flags 2
Combinations of error recovery flags 3
Combinations of error recovery flags 4
Emdp Fair Arbitration
Disconnect/reconnect parameters page code =
Dtdc
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Page
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Mode Select parameters format parameters
Format parameter page code =
Page
Page
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Mode Select parameters drive parameters
Drive parameter page code =
Page
Verify error recovery parameters page code =
EER PER DTE DCR
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Mode Select parameters caching parameters
Caching parameters page code =
Page
Page
Page
Page
Cache segment length
Control mode parameters page code = 0A
TST
Gltsd Rlec
RAC
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Page
Page
Notch parameter page code = 0C
LPN
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EBF Ewasc
Informational exceptions control page page code = 1C
Mrie
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Mrie
Value of Timer Interval field Actual time interval minutes
Only report informational exception condition on request
RPR
Additional error recovery parameters page code =
RFJ
Supprot log
Buffer overrun / underrun
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Write error count
Write errors recovered without delays Page 02, Code
Write errors recovered with possible delays Page 02, Code
Total posted write errors Page 02, Code
Total write bytes processed Page 02, Code
Total posted recoverable write errors Page 02, Code
LSB TSD ETC TMC Lbin
Total posted unrecoverable write errors Page 02, Code
Read error count
Read errors recovered without delays Page 03, Code
Read errors recovered with possible delays Page 03, Code
Total posted read errors Page 03, Code
Total posted recoverable read errors Page 03, Code
Total posted unrecoverable read errors Page 03, Code
Total read bytes processed Page 03, Code
Verify error count
Verify errors recovered without delays Page 05, Code
Vefiry errors recovered with possible delays Page 05, Code
Total posted verify errors Page 05, Code
Total posted recoverable verify errors Page 05, Code
Total verify bytes processed Page 05, Code
Total posted unrecoverable verify errors Page 05, Code
Non-medium error count
Temperature page X0D
Temperature Page 0D, Code
Reference temperature Page 0D, Code
Start-stop cycle counter page X0E
Date of manufacture Page 0E, Code
Accounting date Page 0E, Code
Specified cycle count over device lifetime Page 0E, Code
Start-stop cycle counter Page 0E, Code
Application client page X0F
Self-test result
Self-test result parameter data Page 10, Code
Smart status page X2F
Smart data
Sense Data
Sense data format
Sksv
ILI
IDD Scsi ID
Sense data basic information
Sksv MSB
Sense key inherent information
Sense key
Sense and subsense codes 1
Sense and subsense codes 2
Sense and subsense codes 3
Sense and subsense codes 4
Sense and subsense codes 5
Initiator Detected
Sense data additional information
Termination status analysis and error recovery methods
Analysis of the termination status
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Sense data analysis and error recovery methods
Sense data error classification
None
Sense
Sense data error classification 4
Error recovery processing procedures 1
Error Recovery Processing Procedures 2
Error recovery processing procedures 3
Error recovery processing procedures 4
Recovery Recovery processing procedure Method
Error recovery processing procedures 5
Error logging
Error states and retry processing procedures
Auto alternate block allocation processing
Remark
Error recovery processing control
EER
Disk drive errors and number of retries
Disk Media Management
Defect Management
Spare sectors within a cylinder
Alternate cylinders
Sector slip processing
Alternate sector processing
Auto alternate block allocation processing
Disk Media Initialization Initialization during installation
Re-initialization
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Data Block Verification Methods Recommended
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Alternate Block Allocation Processing
CDB
CCS
Scsi
Scsi ID
ACK
ATN AWG
BSY
DBP
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