Exabyte MAGNUM 1X7 LTO AUTOLOADER Betriebsanleitung PDF herunterladen (Seite 4)

SCSI REFERENCE 1012975

NOTES

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SCSI REFERENCE 1
EFERENCE 1012975 2
ONTACTING 3
Contents 5
SCSI REFERENCE 1012975 10
ABOUT THIS MANUAL 15
! Important 16
PRODUCT OVERVIEW 17
HAPTER 1—PRODUCT OVERVIEW 18
1.2 CONTROL MODES 19
1.3 EMULATION MODES 20
OVERVIEW OF THE 21
AUTOLOADER AS A SCSI DEVICE 21
Cartridge Access 23
2.3.1 SCSI BUS PHASES 24
2.3.2 SCSI MESSAGES 24
2.4 SCSI COMMAND PROTOCOL 26
OMMAND PROTOCOL 27
2.4.2 SCSI COMMAND FORMAT 28
2.4.3 COMMAND STATUS 29
2.4.4 COMMAND FORMAT ERRORS 30
EFERENCE PRELIMINARY 1012975 32
IMPLEMENTING SCSI 33
OPERATIONS 33
ETTING ELEMENT ADDRESSES 35
NVENTORY 36
 Send Volume Match 38
SCSI Element Reservation 39
Tape Drive Accessible 39
3.5 MOVING CARTRIDGES 40
3.6 RESERVING ELEMENTS 40
3.8 PERFORMING DIAGNOSTICS 41
3.9 COPYING MICROCODE 42
INITIALIZE ELEMENT 43
STATUS (07h) 43
4.4 COMMAND STATUS 46
STATUS WITH RANGE (E7h) 47
Range – Byte 01, Bit 0 48
5.4 COMMAND STATUS 50
INQUIRY (12h) 53
TANDARD INQUIRY DATA PAGE 55
CODE 00h) 60
Device Type Code – Byte 00 64
Page Code – Byte 01 64
6.4 COMMAND STATUS 65
LOG SELECT (4Ch) 67
7.3 COMMAND STATUS 68
LOG SENSE (4Dh) 69
8.3.1 LOG PARAMETER FORMAT 73
Parameter Length – Byte 03 74
Parameter Value – Byte 04 81
Command – Byte 04 82
Fault Symptom Code – Byte 05 83
8.4 COMMAND STATUS 84
CHAPTER 8—LOG SENSE (4Dh) 86
MODE SELECT (15h) 87
9.2.1 PARAMETER LIST HEADER 89
9.3 COMMAND STATUS 99
Reservation Conflict 100
Check Condition 100
CHAPTER 9—MODE SELECT (15h) 102
MODE SENSE (1Ah) 103
10.3.1 PARAMETER LIST HEADER 105
Parameter Length – Byte 01 106
HAT THE AUTOLOADER RETURNS 107
CODE 1Eh) 108
Page Length – Byte 01 112
MaxStor – Byte 4, Bit 4 112
LCD Security – Byte 02, Bit 6 115
Write Line 1 – Byte 02, Bit 3 116
Auto – Byte 02, Bit 1 117
FixEnbl – Byte 02, Bit 0 117
10.4 COMMAND STATUS 119
CHAPTER 10—MODE SENSE (1Ah) 120
MOVE MEDIUM (A5h) 121
Invert – Byte 10, Bit 0 122
11.4 COMMAND STATUS 126
OMMAND STATUS 127
CHAPTER 11—MOVE MEDIUM (A5h) 128
POSITION TO ELEMENT 129
12.3 COMMAND STATUS 130
PREVENT/ALLOW MEDIUM 133
REMOVAL (1Eh) 133
13.3 COMMAND STATUS 134
READ BUFFER (3Ch) 135
– Bytes 03 through 05 136
ICROCODE TO THE INITIATOR 137
THE INITIATOR 137
14.5 COMMAND STATUS 138
CHAPTER 14—READ BUFFER (3Ch) 140
READ ELEMENT STATUS 141
VolTag – Byte 01, Bit 4 142
CURDATA – Byte 06, Bit 1 142
DVCID – Bytes 06, Bit 0 143
S/N Request – Byte 11, Bit 7 143
15.3.1 ELEMENT STATUS HEADER 144
15.3.2 ELEMENT STATUS PAGE 145
15.3.3 ELEMENT DESCRIPTORS 146
Except – Byte 02, Bit 2 147
TORAGE ELEMENT DESCRIPTOR 149
15.4 COMMAND STATUS 156
RECEIVE DIAGNOSTIC 157
RESULTS (1Ch) 157
Bytes 02 and 03 – Page Length 159
Page Code – Byte 00 159
Page Length – Bytes 02 and 03 159
Supported Log Pages – Byte 04 159
Self Test – Byte 27 160
16.4 COMMAND STATUS 161
RELEASE (17h OR 57h) 163
17.1 ABOUT THIS COMMAND 164
EN-BYTE CDB (PAGE CODE 57h) 165
17.3 COMMAND STATUS 166
REQUEST SENSE (03h) 167
Allocation Length – Byte 04 168
18.4 COMMAND STATUS 172
REQUEST VOLUME 175
ELEMENT ADDRESS (B5h) 175
19.1 ABOUT THIS COMMAND 176
19.3.2 ELEMENT STATUS PAGE 179
19.3.3 ELEMENT DESCRIPTORS 180
19.4 COMMAND STATUS 189
RESERVE (16h OR 56h) 191
20.1 ABOUT THIS COMMAND 192
Element – Byte 01, Bit 0 193
LongID – Byte 01, Bit 1 194
20.3 COMMAND STATUS 195
REZERO UNIT (01h) 197
SEND DIAGNOSTIC (1Dh) 199
Byte 01, Bit 2 – SelfTest 200
Byte 01, Bit 1 – DevOffL 200
Byte 01, Bit 0 – UnitOffL 200
DDITIONAL DIAGNOSTIC DATA 201
ELF TEST PAGE (PAGE CODE F0h) 202
22.4 COMMAND STATUS 203
SEND VOLUME TAG (B6h) 205
ARAMETER LIST 207
23.3 COMMAND STATUS 208
TEST UNIT READY (00h) 211
WRITE BUFFER (3Bh) 213
25.3 COMMAND STATUS 217
ERROR CODES 219
A.3 ERROR RECOVERY PROCEDURES 236

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Exabyte MAGNUM 1X7 LTO AUTOLOADER Betriebsanleitung Seite 4

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