Exabyte MAGNUM 1X7 LTO AUTOLOADER Instrucciones de operaciones Pagina 166
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SCSI REFERENCE 1012975
CHAPTER 17—RELEASE (17h OR 57h)
17.3 COMMAND STATUS
The autoloader returns a status byte after processing the RELEASE command.
This section describes when each type of status byte might be returned.
Good
The autoloader returns Good status when it is able to process the command
without errors.
Busy
The autoloader returns Busy status when it is processing a command for a
different initiator or when it is in the process of aborting a motion command.
Reservation Conflict
The autoloader never returns Reservation Conflict status for the RELEASE
command.
Check Condition
The autoloader returns Check Condition status for the following reasons:
The message system is enabled and a message error occurs while the
autoloader is processing the command.
The autoloader detects an unrecoverable parity error while receiving the
CDB.
The command is issued to an invalid LUN.
A Unit Attention condition is pending for the initiator.
A reserved bit is set to 1 in the CDB.
A parameter in the CDB is invalid (see Table 17-1 for sense data).
Table 17-1 Invalid parameters in the RELEASE CDB
Sense
Key
ASC ASCQ
SKSV
Bit
C/D
Bit
BPV
Bit
Bit
Pointer
Field
Pointer
Error
5h 24h 00h 1 1 1 — —
A reserved bit is set in the CDB. The
pointers point to the bit in error.
5h 24h 00 1 1 1 1h 0001h LongID field is set to 1.
5h 24h 00 1 1 1 1h 0000h Element field is set to 1.
- 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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