Compaq StorageWorks TM RAID Array 3000 Pedestal Storage Subsystem Manual de servicio Pagina 155
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Figure 6–4 shows a typical Fibre Channel cluster configuration using
transparent failover mode.
Figure 6–4: Fibre Channel Single Switch Transparent Failover
Configuration
ZK-1531U-AI
KGPSA
Member
System
1
Memory
Channel
KGPSA
Memory
Channel
Memory
Channel
Interface
Member
System
2
Fibre Channel Switch
HSG 80
Controller A
HSG 80
Controller B
RA8000/ESA12000
Port 1
Port 2
Port 1 Port 2
In transparent failover, units D00 through D99 are accessed through port 1
of both controllers. Units D100 through D199 are accessed through port 2
of both HSG80 controllers.
You cannot achieve a no-single-point-of-failure (NSPOF) configuration using
transparent failover. The host cannot initiate failover, and if you lose a host
bus adapter, switch or hub, or a cable, you lose the units behind at least
one port.
You can, however, add the hardware for a second bus (another KGPSA,
switch, and RA8000/ESA12000 with associated cabling) and use LSM to
mirror across the buses. However, because you cannot use LSM to mirror
the member boot partitions or the quorum disk you cannot obtain an
NSPOF transparent failover configuration, even though you have increased
availability.
Using Fibre Channel Storage 6–9
- TruCluster Server 1
- Contents 3
- UltraSCSI Hardware 4
- Hardware 5
- 6 Using Fibre Channel Storage 6
- Contents vii 7
- Server Configuration 8
- Contents ix 9
- Contents xi 11
- Terminated Shared SCSI Buses 12
- Examples 12
- Contents xiii 13
- Contents xv 15
- Contents xvii 17
- About This Manual 19
- Related Documents 20
- About This Manual xxi 21
- About This Manual xxiii 23
- G Manuals for general users 24
- Reader’s Comments 25
- Conventions 26
- Introduction 27
- 1.2 Memory Requirements 28
- 1.3 Minimum Disk Requirements 28
- 1–4 Introduction 30
- 1.4 Generic Two-Node Cluster 31
- Memory Channel 32
- Shared SCSI Bus 32
- 1–8 Introduction 34
- Introduction 1–9 35
- 1–10 Introduction 36
- Increased Disk Configurations 37
- 1–12 Introduction 38
- Introduction 1–13 39
- System Boot Disks 40
- Introduction 1–15 41
- 1–16 Introduction 42
- Introduction 1–17 43
- 1–18 Introduction 44
- Introduction 1–19 45
- 1.6 Eight-Member Clusters 46
- Introduction 1–21 47
- ZK-1748U-AI 51
- P00>>> 53
- 2.4 Disk Device Restrictions 58
- 2.6 SCSI Signal Converters 60
- 2.8 SCSI Cables 62
- 3.2 SCSI Bus Performance 68
- 3.2.3 Data Path 69
- 3.2.4 Bus Speed 69
- CXO5744A 72
- 3.6 UltraSCSI Hubs 72
- Differential symbol 74
- ZK-1412U-AI 74
- ZK-1448U-AI 78
- ZK-1447U-AI 79
- Failover 85
- DWZZH UltraSCSI Hub 92
- ZK-1480U-AI 95
- Using UltraSCSI Hardware 99
- Configuration 100
- # umount /mnt 103
- Radial Configuration 105
- Commands 108
- KZPBA-CB SCSI ID 112
- ZK-1451U-AI 116
- Interconnect 117
- 5.1.2 MC2 Jumpers 119
- ZK-1197U-AI 125
- ZK-1530U-AI 136
- ZK-1522U-AI 137
- Replaced 138
- Adapter in Second System 139
- Memory Channel Adapters 140
- Second System 141
- Configuration (cont.) 144
- Using Fibre Channel Storage 147
- 6.1 Fibre Channel Overview 148
- ZK-1534U-AI 151
- ZK-1536U-AI 152
- ZK-1535U-AI 153
- ZK-1531U-AI 155
- ZK-1697U-AI 156
- ZK-1707U-AI 158
- ZK-1765U-AI 159
- ZK-1706U-AI 161
- ZK-1806U-AI 162
- AlphaServer 162
- ZK-1814U-AI 163
- 6.5 Zoning 164
- 6.5.2 Types of Zoning 165
- 6.5.3 Zoning Example 166
- ZK-1709U-AI 167
- 6.6 Cascaded Switches 167
- ZK-1795U-AI 168
- ZK-1794U-AI 169
- Adapter Module 182
- Reformatting nvram 185
- POO>>> init 186
- Installation 188
- set to 0 and the 194
- 6.9.1 Before You Install 199
- Cluster Member 217
- Multiple-Bus Failover Mode 222
- Failover Mode 223
- as follows: 224
- Information 228
- # emxmgr 231
- ZK-1749U-AI 235
- ZK-1750U-AI 238
- ZK-1751U-AI 239
- SCM_E0> show csb 248
- 1 2 3 4 5 6 248
- 2 Type of CSB node: 249
- Drive Use 255
- TZ88N−VA 257
- 8.1.2 Cabling the TZ88N-VA 258
- Interface 259
- 8.1.4 Cabling the TZ88N-TA 260
- DS−TZ89N−VW 262
- 20/40 GB DLT Tape Drive 266
- ZK-1461U-AI 276
- Shared SCSI Usage 278
- Member System 2 287
- Member System 1 287
- DLT0 Idle 289
- DLT1 Idle 289
- Loader Idle 289
- 0>__________<9 289
- DLT2 Idle 290
- DLT3 Idle 290
- 26>__________<35 290
- Shared SCSI Bus Usage 292
- ZK-1324U-AI 295
- ZK-1625U-AI 297
- ZK-1397U-AI 302
- 8.11.2 MUC Switch Functions 305
- 8.11.4 Tape Drive SCSI IDs 306
- ZK-1326U-AI 308
- ZK-1327U-AI 309
- ZK-1627U-AI 320
- Expansion Modules 323
- 8.13.1 General Overview 327
- Bus Usage 329
- SCSI Bulkhead 330
- ZK-1705U-AI 330
- Non-UltraSCSI Devices 333
- Termination 335
- Termination (cont.) 340
- Console Commands 341
- KZPSA-BB and KZPBA-CB SCSI ID 345
- P00>>> boot dka600 350
- Configurations Using External 353
- Non-UltraSCSI Devices 10–3 355
- ZK-1576U-AI 356
- 1 2 3 4 5 6 7 357
- Non-UltraSCSI Devices 10–7 359
- FRONT VIEW 360
- REAR VIEW 360
- 10.3.1 BA350 Storage Shelf 361
- ZK-1338U-AI 362
- Non-UltraSCSI Devices 10–11 363
- ZK-1339U-AI 364
- ZK-1529U-AI 365
- External Termination 366
- Non-UltraSCSI Devices 10–17 369
- Non-UltraSCSI Devices 10–19 371
- Non-UltraSCSI Devices 10–23 375
- Non-UltraSCSI Devices 10–27 379
- Non-UltraSCSI Devices 10–29 381
- Cluster Interconnect 383
- Non-UltraSCSI Devices 10–35 387
- DS-DWZZH-03 388
- ZK-1767U-AI 389
- Shared SCSI Buses 11–1 391
- Shared SCSI Buses 11–3 393
- Shared SCSI Cluster 395
- Shared SCSI Buses 11–7 397
- Shared SCSI Buses 11–11 401
- Shared SCSI Buses 11–13 403
- ZK-1846U-AI 404
- Figure 11–4 405
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