Hitachi DK32EJ Reference guide

OEM MANUAL:K6602771

Revision: 2 / Date: 2002.12.19

Page: 1 / 313

HITACHI

3.5 INCH MAGNETIC DISK DRIVE

Reference Manual

For DK32EJ

FC-AL Interface Specification

Document Number : K6602771

SCSI 2/3 SPECIFICATIONS Hitachi, Ltd. Tokyo, Japan

OEM MANUAL:K6602771

Revision: 2 / Date: 2002.12.19

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NOTICE TO USERS

While every effort has been made to ensure that the information provided herein is correct

please feel free to notify us in the event of an error of inconsistency.

Hitachi makes no representations or warranties with respect to the contents hereof and

specifically disclaims any implied warranties or merchantability or fitness for any purpose.

Further, Hitachi reserves the right to revise this publication and to make changes from

time to time in the content hereof without obligation to notify any person of such revisions

or changes.

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REVISION TABLE

Remarks AD : Addition, CH : Change, CR : Correction, DL : Deletion

REV Date Signature Page Description Remarks

DWN : Shiino

CHK

: Watanabe

0 ’02.03.29

APPD

: Takayasu

All Initial Release

1

’02.06.13

DWN : Shiino 15 Change of revision number of related CH

CHK

: Watanabe

Document.

APPD : Takayasu 23 Correct the number of alternate CR

Cylinders.

26,27 Delete the description about error

recovery parameter.

DL

27,28,

204,208

Change of retry count. CH

120,122,

128

Addition of description about

Device Control.

AD

154 Correct the about Byte. CR

168 Change of description about Recovery

Time Limit.

CH

183 Change of description about Queue

Algorithm Modifier.

CH

196 Correct the about MRIE=4. CR

210 Change the default value of Queue

Algorithm Modifier.

CH

227 Correct the about Reservation Key. CR

262 Correct the Self Test Code value. CR

250 Correct the Receive Diagnostic Result

Command.

CR

299,300

301

Addition of description about

0389,0904,0CFF,11FF

AD

310 Correct the about 4700. CR

2

’02.12.19

DWN : Shiino 110 Addition description about defect AD

CHK : Hida Specification range.

APPD : Takayasu 209 Change the default value of

DISC,FSW.

CH

210 Correct the about Byte0,Byte2. CR

307 Addition of description about 4483. AD

REVISION

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REV Date Signature Page Description Remarks

REVISION

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REV Date Signature Page Description Remarks

REVISION

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REV Date Signature Page Description Remarks

REVISION

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CONTENTS

1 GENERAL DESCRIPTION.................................................................................................15

1.1 APPLICATION............................................................................................................. 15

1.2 RELATED DOCUMENT .............................................................................................. 15

1.3 FUNCTION OUTLINE.................................................................................................. 16

1.4 GLOSSARY................................................................................................................. 19

2 PRODUCT SPECIFICATION OUTLINE.............................................................................21

2.1 ADDRESSING .............................................................................................................21

2.2 DISK FORMAT ............................................................................................................ 21

2.2.1 CYLINDER ALLOCATION...................................................................................21

2.2.2 FORMAT PROCESSING......................................................................................22

2.3 ERROR RETRY........................................................................................................... 26

2.3.1 READ ERROR RETRY.........................................................................................26

2.3.2 WRITE ERROR RETRY .......................................................................................26

2.3.3 VERIFY ERROR RETRY......................................................................................27

2.3.4 SEEK ERROR RETRY.........................................................................................27

2.3.5 SPINDLE ERROR RETRY ...................................................................................27

2.3.6 ERROR RETRY CONTROL.................................................................................27

2.4 SUPPORTED SCSI COMMANDS............................................................................... 28

3 FIBRE CHANNEL INTERFACE .........................................................................................31

3.1 TOPOLOGY................................................................................................................. 31

3.2 FRAMES...................................................................................................................... 34

3.2.1 FRAME FORMAT .................................................................................................34

3.3 FIBRE CHANNEL ARBITRATED LOOP(FC-AL) ...................................................... 39

3.3.1 ARBITRATED LOOP PHYSICAL ADDRESS(AL_PA) .......................................39

3.3.2 LOOP INITIALIZATION........................................................................................41

3.3.3 ARBITRATED LOOP ACCESS ...........................................................................46

3.3.4 PUBLIC LOOP .....................................................................................................46

3.4 ORDERED SETS......................................................................................................... 49

3.5 LINK SERVICE............................................................................................................ 52

3.5.1 ABORT SEQUENCE(ABTS)................................................................................53

3.5.2 BASIC ACCEPT(BA_ACC) .................................................................................53

3.5.3 BASIC REJECT(BA_RJT)...................................................................................54

3.5.4 ACCEPT(ACC).....................................................................................................55

3.5.5 LINK SERVICE REJECT(LS_RJT) .....................................................................56

3.5.6 N_PORT LOGIN(PLOGI) .....................................................................................58

3.5.7 LOGOUT(LOGO)..................................................................................................63

3.5.8 FABRIC LOGIN(FLOGI).......................................................................................64

3.5.9 READ LINK ERROR BLOCK(RLS).....................................................................69

3.5.10 REINSTATE RECOVERY QUALIFIER(RRQ)......................................................70

3.5.11 REQUEST NODE CAPABILITIES INFORMATION(RNC) (Not support) ..........72

3.5.12 FABRIC ADDRESS NOTIFICATION(FAN)..........................................................74

3.5.13 PROCESS LOGIN(PRLI) .....................................................................................76

3.5.14 PROCESS LOGOUT(PRLO) ...............................................................................80

3.5.15 DISCOVER N_PORT SERVICE PARAMETERS(PDISC)...................................83

3.5.16 DISCOVER ADDRESS(ADISC)...........................................................................85

3.5.17 THIRD PARTY PROCESS LOGOUT(TPRLO) (Not support)............................86

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4 SCSI BUS............................................................................................................................88

4.1 SCSI BUS FUNCTIONS.............................................................................................. 88

4.1.1 COMMAND RECEPTION.....................................................................................88

4.1.2 COMMAND QUEUING.........................................................................................88

4.1.3 UNIT ATTENTION CONDITION...........................................................................89

4.1.4 RESET CONDITION.............................................................................................89

4.2 FCP INFORMATION UNIT.......................................................................................... 90

4.2.1 FCP_CMND..........................................................................................................90

4.2.2 FCP_XFER_READY.............................................................................................93

4.2.3 FCP_DATA ...........................................................................................................93

4.2.4 FCP_RSP..............................................................................................................94

4.3 FRAME SEQUENSE ................................................................................................... 97

4.4 ENCLOSURE SERVICE INTERFACE(ESI) SPECIFICATION ..................................99

4.4.1 DISCOVERY PROCESS ......................................................................................99

4.4.2 COMMAND PROCESS......................................................................................101

4.4.3 WRITE PROCESS..............................................................................................102

4.4.4 READ PROCESS ...............................................................................................102

5 SCSI COMMANDS............................................................................................................103

5.1 COMMAND STRUCTURE......................................................................................... 103

5.1.1 OPERATION CODE ...........................................................................................105

5.1.2 LOGICAL UNIT NUMBER .................................................................................106

5.1.3 RELATIVE ADDRESS........................................................................................106

5.1.4 LOGICAL BLOCK ADDRESS...........................................................................106

5.1.5 TRANSFER LENGTH ........................................................................................107

5.1.6 CONTROL BYTE................................................................................................108

5.1.7 RESERVED ........................................................................................................108

5.1.8 VENDOR UNIQUE..............................................................................................108

6 COMMAND DESCRIPTIONS...........................................................................................109

6.1 FORMAT UNIT:(04

H

)................................................................................................. 109

6.2 INQUIRY:(12

H

)........................................................................................................... 118

6.3 LOG SELECT:(4C

H

) .................................................................................................. 129

6.4 LOG SENSE:(4D

H

) .................................................................................................... 155

6.5 MODE SELECT:(15

H

)................................................................................................ 157

6.6 MODE SELECT (10):(55

H

) ........................................................................................ 197

6.7 MODE SENSE:(1A

H

) ................................................................................................. 199

6.8 MODE SENSE (10):(5A

H

).......................................................................................... 217

6.9 PERSISTENT RESERVE IN:(5Eh) ...........................................................................219

6.10 PERSISTENT RESERVE OUT:(5Fh) .......................................................................226

6.11 READ:(08

H

)................................................................................................................ 231

6.12 READ (EXTENDED):(28

H

)......................................................................................... 232

6.13 READ BUFFER:(3C

H

)................................................................................................ 234

6.14 READ CAPACITY:(25

H

) ............................................................................................ 238

6.15 READ DEFECT DATA:(37

H

) .....................................................................................240

6.16 READ DEFECT DATA(12) :(B7

H

)............................................................................. 243

6.17 READ LONG:(3E

H

).................................................................................................... 245

6.18 REASSIGN BLOCKS:(07

H

).......................................................................................247

6.19 RECEIVE DIAGNOSTIC RESULTS:(1C

H

)................................................................ 250

6.20 RELEASE:(17

H

)......................................................................................................... 251

6.21 RELEASE(10):(57

H

)................................................................................................... 252

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6.22 REPORT LUNS:(A0h)............................................................................................... 253

6.23 REQUEST SENSE:(03

H

) ........................................................................................... 255

6.24 RESERVE:(16

H

)......................................................................................................... 256

6.25 RESERVE(10):(56

H

) .................................................................................................. 258

6.26 REZERO UNIT:(01

H

).................................................................................................. 259

6.27 SEEK:(0B

H

)................................................................................................................ 260

6.28 SEEK (EXTENDED):(2B

H

) ........................................................................................ 261

6.29 SEND DIAGNOSTIC:(1D

H

)........................................................................................ 262

6.30 START / STOP UNIT:(1B

H

)....................................................................................... 276

6.31 SYNCHRONIZED CACHE:(35

H

)............................................................................... 277

6.32 TEST UNIT READY:(00

H

).......................................................................................... 278

6.33 VERIFY:(2F

H

)............................................................................................................. 279

6.34 WRITE:(0A

H

).............................................................................................................. 281

6.35 WRITE (EXTENDED):(2A

H

)....................................................................................... 282

6.36 WRITE AND VERIFY:(2E

H

)....................................................................................... 284

6.37 WRITE BUFFER:(3B

H

).............................................................................................. 286

6.38 WRITE LONG:(3F

H

)................................................................................................... 289

6.39 WRITE SAME:(41

H

)................................................................................................... 290

6.40 XDREAD:(52

H

)........................................................................................................... 291

6.41 XDWRITE:(50

H

) ......................................................................................................... 292

6.42 XPWRITE:(51

H

).......................................................................................................... 294

7 SENSE DATA....................................................................................................................295

7.1 SENSE DATA FORMAT............................................................................................ 295

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Figures

Figure 2-1 Track Skew (Skew Factor n)........................................................................24

Figure 2-2 Cylinder Skew ( Skew Factor n ).................................................................24

Figure 2-3 Sector Reallocation......................................................................................25

Figure 3-1 Fibre Channel Topology..............................................................................31

Figure 3-2 Topology of private loop .............................................................................32

Figure 3-3 Topology of public loop...............................................................................33

Figure 3-4 Multi Loop Figure 3-5 Redundant Loop.......................33

Figure 3-6 Frame Format ...............................................................................................34

Figure 3-7 Frame Header Format..................................................................................35

Figure 3-8 Structure of Loop Initialization frame........................................................42

Figure 3-9 Loop initialization flow diagram .................................................................43

Figure 3-10 Address Identifier.......................................................................................46

Figure 3-11 NL_Port Initialization Flow ........................................................................48

Figure 4-1 Discovery Flow Chart ................................................................................100

Figure 4-2 Phase in SFF-8067 enclosure ...................................................................101

Figure 4-3 Data transfer for Write...............................................................................102

Figure 4-4 Data transfer for Read................................................................................102

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Tables

Table 2-1 Commands Supported ..................................................................................28

Table 2-2 Commands Not Supported ...........................................................................30

Table 3-1 Summary of Fibre Channel Topology..........................................................32

Table 3-2 Specification of R_CTL/TYPE field...............................................................37

Table 3-3 F_CTL field......................................................................................................38

Table 3-4 AL_PA addressing..........................................................................................39

Table 3-5 AL_PA value priorities...................................................................................39

Table 3-6 AL_PA mapped to bit maps ..........................................................................40

Table 3-7 Type of LIP ......................................................................................................41

Table 3-8 Private Loop Addressing and Public Loop Addressing............................47

Table 3-9 Ordered Sets...................................................................................................49

Table 3-10 SOF Delimiters..............................................................................................49

Table 3-11 EOF Delimiters..............................................................................................50

Table 3-12 Primitive Signals ..........................................................................................50

Table 3-13 Primitive Sequences....................................................................................51

Table 3-14 Link Service Frames....................................................................................52

Table 3-15 BA_ACC payload for ABTS.........................................................................53

Table 3-16 BA_RJT payload...........................................................................................54

Table 3-17 ACC payload.................................................................................................55

Table 3-18 LS_RJT payload ...........................................................................................56

Table 3-19 PLOGI payload..............................................................................................58

Table 3-20 Common Service Parameters(PLOGI payload) ........................................59

Table 3-21 N_Port Name(PLOGI payload)....................................................................60

Table 3-22 Node_Name(PLOGI payload)......................................................................60

Table 3-23 Class 3 Service Parameters(PLOGI payload) ...........................................61

Table 3-24 Vendor Version Level(PLOGI Payload)......................................................62

Table 3-25 ACC payload for PLOGI...............................................................................62

Table 3-26 LOGO payload ..............................................................................................63

Table 3-27 ACC payload for LOGO ...............................................................................63

Table 3-28 FLOGI payload..............................................................................................64

Table 3-29 Common Service Parameters(FLOGI payload).........................................65

Table 3-30 N_Port Name(FLOGI payload) ....................................................................66

Table 3-31 Node_Name(FLOGI payload)......................................................................66

Table 3-32 Class 3 Service Parameters(FLOGI payload)............................................67

Table 3-33 Vendor Version Level(FLOGI Payload)......................................................68

Table 3-34 ACC payload for FLOGI...............................................................................68

Table 3-35 RLS payload..................................................................................................69

Table 3-36 ACC payload for RLS...................................................................................69

Table 3-37 RRQ payload.................................................................................................70

Table 3-38 ACC payload for RRQ..................................................................................71

Table 3-39 RNC payload.................................................................................................72

Table 3-40 ACC payload for RNC..................................................................................73

Table 3-41 FAN Payload .................................................................................................74

Table 3-42 PRLI payload.................................................................................................76

Table 3-43 ACC payload for PRLI..................................................................................78

Table 3-44 Response Code............................................................................................79

Table 3-45 PRLO payload...............................................................................................80

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Table 3-46 ACC payload for PRLO................................................................................81

Table 3-47 Response Code............................................................................................82

Table 3-48 PDISC payload..............................................................................................83

Table 3-49 ACC payload for PDISC...............................................................................84

Table 3-50 ADISC payload..............................................................................................85

Table 3-51 ACC payload for ADISC...............................................................................85

Table 3-52 TPRLO payload.............................................................................................86

Table 3-53 ACC payload for TPRLO..............................................................................86

Table 4-1 Information Unit .............................................................................................90

Table 4-2 FCP_CMND Payload ......................................................................................90

Table 4-3 FCP_XFER_READY Payload.........................................................................93

Table 4-4 FCP_DATA Payload........................................................................................93

Table 4-5 FCP_RSP Payload..........................................................................................94

Table 4-6 Response Information...................................................................................96

Table 4-7 ESI command format...................................................................................101

Table 5-1 Standard Command Descriptor Block for 6-byte Commands ................104

Table 5-2 Standard Command Descriptor Block for 10-byte Commands ..............104

Table 5-3 Standard Command Descriptor Block for 12-byte Commands ..............105

Table 5-4 Operation Code............................................................................................105

Table 5-5 Control Byte Format ....................................................................................108

Table 6-1 Format Unit Command Variations.............................................................. 111

Table 6-2 Defect List Header........................................................................................ 112

Table 6-3 Defect List --- Block Format...................................................................114

Table 6-4 Defect List --- Byte from Index Format .................................................114

Table 6-5 Defect List --- Physical Sector Format.................................................. 115

Table 6-6 Initialization Pattern Descriptor.................................................................. 115

Table 6-7 IP Modifier..................................................................................................... 116

Table 6-8 Standard Inquiry Data.................................................................................. 119

Table 6-9 Data Transfer Speed ....................................................................................122

Table 6-10 Supported Vital Product Data...................................................................123

Table 6-11 Unit Serial Number.....................................................................................124

Table 6-12 Implemented Operating Definition Page .................................................125

Table 6-13 Operating Definition...................................................................................126

Table 6-14 Device Identification..................................................................................126

Table 6-15 Jumper Information Page..........................................................................127

Table 6-16 PCR and Parameter List Length Fields ...................................................129

Table 6-17 SP and DS Fields........................................................................................130

Table 6-18 Page Control Field (PC).............................................................................130

Table 6-19 Log Page Format........................................................................................132

Table 6-20 Log Page Codes.........................................................................................132

Table 6-21 Log Parameter............................................................................................133

Table 6-22 Threshold Met Criteria...............................................................................136

Table 6-23 Supported Log Pages................................................................................138

Table 6-24 Error Counter Read Page (Page Code = 3

H

)............................................139

Table 6-25 Parameter Codes for Error Counter Pages .............................................140

Table 6-26 Non-Medium Error Page (Page Code = 6

H

)..............................................141

Table 6-27 Non-Medium Error Event Parameter Codes............................................142

Table 6-28 Last n Error Events Page(Page Code = 7

H

).............................................142

Table 6-29 Temperature Page(Page Code = D

H

) ........................................................144

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Table 6-30 Start-Stop Cycle Counter Page(Page Code = 0E

H

).................................144

Table 6-31 Application Client Page(Page Code = 0F

H

)..............................................147

Table 6-32 General usage application client parameter data...................................148

Table 6-33 Self-Test Results Page(Page Code = 10

H

) ...............................................149

Table 6-34 Self-Test Results Log Parameter Format ................................................150

Table 6-35 Self-Test Results Values............................................................................151

Table 6-36 Informational Exceptions Page (Page Code = 2F

H

)................................152

Table 6-37 Factory Log Page (Page Code = 3E

H

)....................................................153

Table 6-38 Mode Select Parameter List......................................................................160

Table 6-39 Read - Write Error Recovery Page (Page Code = 1

H

).............................163

Table 6-40 Error Control Bit Combinations................................................................166

Table 6-41 Disconnect - Reconnect Page (Page Code = 2

H

) ...................................169

Table 6-42 Format Device Page (Page Code = 3

H

).....................................................172

Table 6-43 Rigid Disk Geometry Page (Page Code = 4

H

)..........................................175

Table 6-44 Verify Error Recovery Page (Page Code = 7

H

).........................................178

Table 6-45 Caching Page (Page Code = 8

H

) ...............................................................179

Table 6-46 Control Mode Page (Page Code = A

H

)......................................................182

Table 6-47 Notch and Partition Page (Page Code = C

H

)............................................185

Table 6-48 XOR Control Page (Page Code = 10

H

)......................................................187

Table 6-49 Enclosure Service Management Page (Page Code = 14

H

).....................189

Table 6-50 Fibre Channel Specification Page (Page Code = 19

H

)............................190

Table 6-51 Power Condition Control Page (Page Code = 1A

H

) ................................192

Table 6-52 Informational Exceptions Control Page (Page Code = 1C

H

)..................193

Table 6-53 Method of Reporting Informational Exceptions field.............................195

Table 6-54 MODE SELECT (10) Header ......................................................................198

Table 6-55 Mode Sense Data........................................................................................201

Table 6-56 Sense Data Length.....................................................................................202

Table 6-57 Mode Page 1

H

Descriptor Value ................................................................204

Table 6-58 Mode Page 2

H

Descriptor Value................................................................205

Table 6-59 Mode Page 3

H

Descriptor Value................................................................206

Table 6-60 Mode Page 4

H

Descriptor Value................................................................207

Table 6-61 Mode Page 7

H

Descriptor Value................................................................208

Table 6-62 Mode Page 8

H

Descriptor Value................................................................209

Table 6-63 Mode Page A

H

Descriptor Value ...............................................................210

Table 6-64 Mode Page C

H

Descriptor Value ...............................................................211

Table 6-65 Mode Page 10

H

Descriptor Value..............................................................212

Table 6-66 Mode Page 10

H

Descriptor Value..............................................................213

Table 6-67 Mode Page 19

H

Descriptor Value..............................................................214

Table 6-68 Mode Page 1A

H

Descriptor Value .............................................................215

Table 6-69 Mode Page 1C

H

Descriptor Value .............................................................216

Table 6-70 MODE SENSE (10) Header.........................................................................218

Table 6-71 PERSISTENT RESERVE IN Service Action Code...................................220

Table 6-72 READ KEYS Parameter Data.....................................................................220

Table 6-73 READ RESERVATION Parameter Data.....................................................221

Table 6-74 PERSISTENT RESERVE IN reservation descriptor................................222

Table 6-75 Persistent reservation scope codes ........................................................224

Table 6-76 Persistent Reservation Type Code...........................................................225

Table 6-77 PERSISTENT RESERVE OUT Service Action Code...............................227

Table 6-78 PERSISTENT RESERVATION OUT Parameter List.................................228

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Table 6-79 PERSISTENT RESERVE OUT Service Actions and Valid Parameters..230

Table 6-80 Read Buffer Mode ......................................................................................234

Table 6-81 Read Buffer Header....................................................................................236

Table 6-82 Read Buffer Descriptor..............................................................................237

Table 6-83 Echo Buffer Descriptor..............................................................................237

Table 6-84 Read Capacity Data....................................................................................239

Table 6-85 Defect List Format......................................................................................240

Table 6-86 Read Defect Header ...................................................................................241

Table 6-87 Read Defect Header ...................................................................................244

Table 6-88 Reassign Blocks Defect List.....................................................................248

Table 6-89 REPORT LUNS Parameter List Format....................................................254

Table 6-90 Self-Test Code Field Values ......................................................................262

Table 6-91 Diagnostic Page Format............................................................................265

Table 6-92 Supported Diagnostic Page (Code = 00

H

)................................................266

Table 6-93 Enclosure Configuration page..................................................................267

Table 6-94 Enclosure Control page ............................................................................267

Table 6-95 Enclosure Status page ..............................................................................268

Table 6-96 Enclosure Help Text page .........................................................................268

Table 6-97 Enclosure String Out page........................................................................268

Table 6-98 Enclosure String In page...........................................................................269

Table 6-99 Enclosure Threshold Out/In page............................................................269

Table 6-100 Enclosure Array Control page................................................................270

Table 6-101 Enclosure Array Status page..................................................................270

Table 6-102 Enclosure Element Description page....................................................271

Table 6-103 Short Enclosure Status page..................................................................271

Table 6-104 Translate Address Page (Code = 40

H

)....................................................272

Table 6-105 Translation Format...................................................................................272

Table 6-106 Read Alternate Page (Code = 40

H

)..........................................................273

Table 6-107 Diagnostic Parameter List.......................................................................274

Table 6-108 Sub Command Codes..............................................................................275

Table 6-109 Write Buffer Mode....................................................................................287

Table 6-110 Write Buffer Header..................................................................................288

Table 7-1 Extended Sense Data Format.....................................................................295

Table 7-2 Sense Keys ...................................................................................................297

Table 7-3 Additional Sense Codes & Qualifiers.........................................................299

Table 7-4 Field Pointer..................................................................................................312

Table 7-5 Actual Retry Count.......................................................................................312

Table 7-6 Progress Indication......................................................................................313

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1 GENERAL DESCRIPTION

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Preface

This manual describes the specifications of the Small Computer System Interface (SCSI)

functions supported by the HITACHI 3 1/2 model magnetic disk drives.

1 GENERAL DESCRIPTION

1.1 APPLICATION

This manual applies to the SCSI logical interface specification and Fibre Channel

logical interface of the magnetic disk drive.

Refer to the individual Product Specifications for the physical specification of the

product.

1.2 RELATED DOCUMENT

·Product Specification;

DK32EJ Product Specifications K6602762

·ANSI Specification;

(1) Fibre Channel Protocol for SCSI (FCP) X3.269-199X Revision 012

(2) Fibre Channel Arbitrated Loop (FC-AL) X3T11/Project 960D/Rev 4.5

(3) Fibre Channel Arbitrated Loop (FC-AL-2) X3T11/Project 1133D/Rev 7.0

(4) Fibre Channel Private Loop SCSI Direct Attach (FC-PLDA) X3T11/Project 1162DT/Rev. 2.1

(5) Fibre Channel Fabric Loop Attachment (FC-FLA) T11/Project 1235-DT/Rev. 2.7

(6) Fibre Channel Physical and Signaling Interface (FC-PH) X3T11/Project 755D/Rev.4.3

(7) Fibre Channel Physical and Signaling Interface-2 (FC-PH-2) X3T11/Project 901D/Rev.7.4

(8) Fibre Channel Physical and Signaling Interface-3 (FC-PH-3) X3T11/Project 1119D/Rev.9.4

(9) Small Computer Systems Interface-2 (SCSI-2) X3.301-1997

(10) SCSI-3 Primary Commands (SPC) X3T10/Project 955D/Rev 11a

(11) SCSI-3 Block Commands (SBC) X3T10/Project 996D/Rev 8c

(12) SCSI-3 Primary Commands-2 (SPC-2) X3T10/Project 1236D/Rev 20

(13) SCSI-3 Primary Commands-3 (SPC-3) X3T10/Project 1416D/Rev 5

(14) SCSI-3 Controller Commands (SCC) X3T10/Project 1047D/Rev 6c

(15) SFF-8045 Specification for 40-pin SCA-2 Connector w/Parallel Section Rev 4.5

(16) SFF-8067 Specification for 40-pin SCA-2 Connector w/Bidirectional ESI Rev 2.8

(17) SCSI-3 Enclosure Service Command set (SES) X3T10/Project 1212D/Rev 8b

(18) Fibre Channel Physical Interface (FC-PI) NCITS/Project 1235D/Rev 13

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1 GENERAL DESCRIPTION

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1.3 FUNCTION OUTLINE

The disk drive is connected to the host computer through the Fibre Channel

Interface.

The word “Controller” may be substituted for the disk drive since this manual

describes only Fibre Channel interface functions which are implemented by the

controller in the disk drive.

It’s features are listed below.

(1) ANSI STANDARD COMPLIANCE

The disk drive implements the SCSI-2 and some SCSI-3 specifications and Fibre

Channel Interface specifications which conform to the ANSI standard listed in

article 1.2.

(2) AUTOMATIC ALTERNATE ASSIGNMENT/ACCESS

By the FORMAT UNIT or REASSIGN BLOCKS command, alternate sectors are

automatically assigned in place of defective sectors. An alternate sector is

allocated next to the defective sector on FORMAT UNIT, so, extra rotational

latency may be avoided. The access to an alternate sector is done automatically on

the read or write operation.

(3) AUTOMATIC ERROR CORRECTION

The automatic error correction scheme with ECC is capable for an error correction

of the medium defect. The On the Fly error correction is also capable for the

medium defect and does not require the extra rotational delay.

Refer to the Product Specifications for details.

(4) AUTOMATIC ERROR RETRY

The error recovery function is automatically initiated in case that an error

occurred during access to the disk drive.

(5) AUTOMATIC POWER-SAVING CONTROL

The automatic power-saving function is supported to reduce the power

consumption and increase the life time of the magnetic heads and the electronic

circuits. This is automatically initiated in an idle condition whenever there are

no pending process by the host command.

(6) AUTOMATIC READ/WRITE REALLOCATION

The automatic read/ write reallocation function is supported. When an error is

detected on reading the data(assuming a data field recoverable error) or writing

the data(assuming a servo field error), this function automatically assigns an

alternate sector in place of the defective sector and stores the data on the

alternated sector prior to sending the completion status.

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(7) COMMAND QUEUING

One command per initiator(host computer) is enqueued(Untagged Command

Queuing) and/or maximum 128 commands as total number of commands from all

host computers are enqueued(Tagged Command Queuing).

(8) COMMAND RE-ORDERING

The disk drive executes the multiple tagged commands with the advanced

command re-ordering algorithm. It can optimize the execution time of enqueued

commands and provide the high performance for a random or multi-threading

access environment.

(9) COMPACT DRIVE w/EMBEDDED CONTROLLER

The disk drive with fully embedded SCSI controller has the 3 1/2 inch industrial

standard form factor.

(10) DEFERRED ERROR REPORTING

The deferred error function reports an error to the subsequent command received

from the host computer if an error occurs after the completion with the GOOD

status returned.

(11) DOWN-LOADABLE FIRMWARE

The firmware can be changed by the multi-WRITE BUFFER commands.

(12) HIGH-SPEED DATA TRANSFER

High-Speed Data Transfer modes are available as follows.

· Max. 200MB/S

· Max. 100MB/S

(13) MULTI-HOST/MULTI-TARGET CONNECTION

Based on the Fibre Channel Arbitrated Loop (FC-AL), maximum 126

devices(including host computers) and one fabric can be connected on the same

loop. Therefore, a flexible system configurations can be available.

However, the number of connectable host computers is a maximum of 32.

(14) MULTI-SEGMENTED BUFFER

The large capacity data buffer is equipped and this is maintained as a multi-

segmented buffer. A multi-segmented buffer scheme provides a high performance

for a read/write from the host computer which has the multi-tasking feature.

Refer to the Product Specifications for the data buffer size.

(15) READ AHEAD CACHE

The read ahead cache function provides a high performance for a sequential read

access. Reading data which the host computer has not yet requested into data

buffer is done in advance and directly transferring data to the host computer is

done without any latency at sequential access.

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(16) SECTOR INTERLEAVE

A 1 : 1 interleave is supported.

(17) SELECTABLE BLOCK LENGTH

A 512 bytes block length is supported as a default and other block length is also

available after the disk re-format.

Refer to the Product Specification for details.

(18) SMART(Self-Monitoring Analysis and Reporting)

The SMART(Self-Monitoring Analysis and Reporting) function is supported. This

function enables to perform an analysis, logging and reporting the error to the host

computer by the disk drive itself .

(19) TRACK/CYLINDER SKEW

In order to avoid a rotational latency for the seek to the adjacent head or cylinder,

Head/ Cylinder Skew function which shifts the sector configuration at the head/

cylinder boundary (between the last sector of the head/ cylinder and the first sector

of the next head/ cylinder) is supported, so that the read write head can be

positioned to the first sector of the next head/ cylinder. Therefore, reading/

writing of contiguous blocks is done without an extra rotational delay, even if an

access is done over the physical track/cylinder boundary.

(20) WRITE CACHE

The write cache function provides a high performance for a sequential write access.

It may return the completion with the GOOD status for a WRITE command after

successfully receiving the data from the host computer and prior to having

successfully stored the data on the disk medium.

(21) DUPLEX FUNCTION

During the data transferring , the disk Drive can queue commands received in

same port.

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1.4 GLOSSARY

Bit number A number that represents the weighted position of one byte.

Bit n represents a value of 2

n

.

Command Descriptor Block A command block that is used to communicate requests

from

(CDB) : an initiator to a target.

XX

H

, XXh A hexadecimal representation of a number (XX with a

subscript H/h represents a hexadecimal number).

Initiator A SCSI device (usually a host computer) that requests

another SCSI device to perform an operation.

Logical unit A physical device that is addressable through a target.

Logical unit number (LUN) An encoded 6 - bit identifier for a logical unit.

Reserved (or R) A term used for a bits, bytes, fields, or code values that are

set aside for future standardization.

Target An SCSI device (usually a disk drive w/ SCSI controller)

that performs an operation that is requested by an

initiator.

Vendor unique (VU) A bit, byte, field, or code value that can be uniquely

specified by each vendor.

Fibre Channel Arbitrated Loop One form of the topology in a fiber channel.

(FC-AL) An Arbitration is performed, in case it consists of

Node/Fabric of a maximum of 127 and a circuit is built on

a loop.Topology in a fiber channel One form.

Arbitrated Loop Physical Address Address information assigned to a meaning for

(AL_PA) every port in FC-AL. Each port gains AL_PA

through loop initialization processing (the port

which has not gained AL_PA shifts to non-

participating mode).

Private Loop FC-AL which is not connected to Fabric (it is Public Loop

when connecting with Fabric).

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L_Port A port connectable with FC-AL. (In Node, it is NL_Port.

In Fabric,it is FL_Port)

Circuit It is built by two arbitrary ports on FC-AL. Transmission of

a frame is possible only among 2 ports which built the

circuit.

Node The device which has a Fiber Channel Interface.

Fabric An entity that interconnects various N_Ports attached to

it and is capable of routing frames by using only the D_ID

information in a frame header.

Frame An indivisible unit of information used by Signaling

Protocol.

Data Frame A frame containing information meant for FC-4/ULP(SCSI)

or the Link application.

Sequence A set of one or more Data Frames with a common identifier

transmitted unidirectionally from one N_Port to another

N_Port.

Exchange The basic mechanism which transfers information

consisting of one or more related non-concurrent

Sequences which may flow in the same or opposite

directions.

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Hitachi DK32EJ Reference guide

Hitachi DK32EJ Reference guide

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