Quantum LTO 2U Instruções de Operação descarregar pdf (Página 38)

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SCSI REFERENCE 1014826

CHAPTER 2—OVERVIEW OF THE LIBRARY AS A SCSI DEVICE

Notes

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EFERENCE 1014826 2
ONTACTING 3
ANDBERG DATA 3
ORPORATION 3
Contents 5
SCSI REFERENCE 1014826 10
ABOUT THIS MANUAL 17
PRODUCT OVERVIEW 19
1.1.2 BACK PANEL COMPONENTS 20
AGNUM 448 EMULATION MODES 24
OVERVIEW OF THE LIBRARY 25
SCSI DEVICE 25
2.1.1 ELEMENT TYPES 27
2.1.2 ELEMENT ADDRESSES 27
Magnum 448 Element Addresses 29
ELATIONSHIP TO THE SCSI BUS 31
2.2 SCSI COMMAND PROTOCOL 32
OMMAND PROTOCOL 33
2.2.2 SCSI COMMAND FORMAT 34
2.2.3 COMMAND STATUS 35
2.2.4 COMMAND FORMAT ERRORS 36
IMPLEMENTING SCSI 39
OPERATIONS 39
Disabling Sequential Mode 41
Setting the Restart Option 41
Setting the Loop Option 42
Important 42
ETTING ELEMENT ADDRESSES 43
Element Addresses 45
Element Occupied Status 46
Bar Code Label Information 47
3.5 MOVING CARTRIDGES 48
3.7 PERFORMING DIAGNOSTICS 49
Home Screen 50
INITIALIZE ELEMENT 51
STATUS (07h) 51
4.4 COMMAND STATUS 53
STATUS WITH RANGE (37h) 55
5.4 COMMAND STATUS 58
INQUIRY (12h) 59
6.3 WHAT THE LIBRARY RETURNS 60
TANDARD INQUIRY DATA PAGE 61
CODE 00h) 66
Page Code – Byte 01 68
Page Length – Byte 03 68
6.4 COMMAND STATUS 73
LOG SELECT (4Ch) 75
7.3 COMMAND STATUS 76
LOG SENSE (4Dh) 77
8.3 WHAT THE LIBRARY RETURNS 81
8.3.1 LOG PARAMETER FORMAT 82
Parameter Length – Byte 03 83
Parameter Value – Byte 04 90
Command – Byte 04 91
Fault Symptom Code – Byte 05 92
Command Interface – Byte 06 93
8.4 COMMAND STATUS 94
CHAPTER 8—LOG SENSE (4Dh) 96
MODE SELECT (15h) 97
9.2.1 PARAMETER LIST HEADER 99
Assigning Element Addresses 100
! Important 101
HAT YOU SEND TO THE LIBRARY 103
Page Length – Byte 01 104
MaxStor – Byte 4, Bit 7 105
Parameter Length – Byte 01 108
Write Line 1 – Byte 02, Bit 3 108
FixEnbl – Byte 02, Bit 0 109
Auto – Byte 02, Bit 1 109
9.3 COMMAND STATUS 110
MODE SENSE (1Ah) 113
10.3 WHAT THE LIBRARY RETURNS 115
Mode Data Length – Byte 00 116
HAT THE LIBRARY RETURNS 117
CODE 1Eh) 119
10.4 COMMAND STATUS 130
Check Condition 131
CHAPTER 10—MODE SENSE (1Ah) 132
MOVE MEDIUM (A5h) 133
11.4 COMMAND STATUS 137
POSITION TO ELEMENT 139
12.3 COMMAND STATUS 140
OMMAND STATUS 141
PREVENT/ALLOW MEDIUM 143
REMOVAL (1Eh) 143
13.3 COMMAND STATUS 144
READ BUFFER (3Ch) 145
14.5 COMMAND STATUS 148
CHAPTER 14—READ BUFFER (3Ch) 150
READ ELEMENT STATUS 151
15.3 WHAT THE LIBRARY RETURNS 153
15.3.1 ELEMENT STATUS HEADER 154
15.3.2 ELEMENT STATUS PAGE 154
Element Type Code – Byte 00 155
PVolTag – Byte 01, Bit 7 155
AVolTag – Byte 01, Bit 6 155
15.3.3 ELEMENT DESCRIPTORS 156
Except – Byte 02, Bit 2 157
TORAGE ELEMENT DESCRIPTOR 159
Access – Byte 02, Bit 3 160
Full – Byte 02, Bit 0 160
SValid – Byte 09, Bit 7 161
Invert – Byte 09, Bit 6 161
15.4 COMMAND STATUS 170
RECEIVE DIAGNOSTIC 171
RESULTS (1Ch) 171
16.3 WHAT THE LIBRARY RETURNS 172
Bytes 02 and 03 – Page Length 173
Page Code – Byte 00 173
Page Length – Bytes 02 and 03 173
Supported Log Pages – Byte 04 173
Self Test – Byte 27 174
16.4 COMMAND STATUS 175
RELEASE (17h OR 57h) 177
17.1 ABOUT THIS COMMAND 178
17.3 COMMAND STATUS 179
REQUEST SENSE (03h) 181
18.3 WHAT THE LIBRARY RETURNS 183
18.4 COMMAND STATUS 186
REQUEST VOLUME 187
ELEMENT ADDRESS (B5h) 187
19.1 ABOUT THIS COMMAND 188
19.3 WHAT THE LIBRARY RETURNS 190
19.3.2 ELEMENT STATUS PAGE 191
19.3.3 ELEMENT DESCRIPTORS 192
19.4 COMMAND STATUS 204
Reservation Conflict 205
RESERVE (16h OR 56h) 207
20.1 ABOUT THIS COMMAND 208
20.3 COMMAND STATUS 209
REZERO UNIT (01h) 211
SEND DIAGNOSTIC (1Dh) 213
DDITIONAL DIAGNOSTIC DATA 215
ELF TEST PAGE (PAGE CODE F0h) 216
22.4 COMMAND STATUS 217
SEND VOLUME TAG (B6h) 219
ARAMETER LIST 221
23.4 COMMAND STATUS 222
TEST UNIT READY (00h) 225
WRITE BUFFER (3Bh) 227
25.4 COMMAND STATUS 230
CHAPTER 25—WRITE BUFFER (3Bh) 232
ERROR CODES 233
IBRARY “FATAL” ERROR MESSAGES 243
A.3 ERROR RECOVERY PROCEDURES 258

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