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Cluster Planning 15
2.2.2.2 Special Considerations
As for TCP/IP networks, there are a number of restrictions on non-TCP/IP
networks. These are explained for the three different types in more detail
below.
Serial (RS232)
A serial (RS232) network needs at least one available serial port per cluster
node. In case of a cluster consisting of more than two nodes, a ring of nodes
is established through serial connections, which requires two serial ports per
node. Table 3 shows a list of possible cluster nodes and the number of native
serial ports for each:
Table 5. Number of Available Serial Ports in Each Model
.
1
serial port can be multiplexed through a dual-port cable, thus offering two
ports
RS/6000 Model Number of Serial Ports Available
7006 1
1
7009 C10, C20 1
1
7012 Mod. 3XX and GXX 2
7013 Mod. 5XX 2
7013 Mod. JXX 3
7015 Mod. R10, R20, R21 3
7015 Mod. R30, R40, R50 3
7013,7015,7017 Mod. S7X 0
2
7024 EXX 1
1
7025 F50 2
7026 Mod. H50 3
7043Mod. 2
9076 thin node 2
3
9076 wide node 2
3
9076 high node 3
3
9076 thin node (silver) 2
3
9076 wide node (silver) 2
3
- IBM Certification Study Guide 1
- AIX HACMP 1
- May 1999 3
- Contents 5
- © Copyright IBM Corp. 1999 ix 11
- © Copyright IBM Corp. 1999 xi 13
- Comments Welcome 17
- © Copyright IBM Corp. 1999 1 19
- Section 1 - Preinstallation 20
- Certification Overview 3 21
- Certification Overview 5 23
- Chapter 2. Cluster Planning 25
- Cluster Planning 9 27
- 2.2 Cluster Networks 29
- 2.2.1 TCP/IP Networks 29
- Cluster Planning 13 31
- 2.2.2 Non-TCPIP Networks 32
- 2.3 Cluster Disks 34
- 2.3.1 SSA Disks 34
- Cluster Planning 17 35
- Table 8. SSA Disks 37
- Table 9. SSA Adapters 37
- Cluster Planning 21 39
- RAID Technology 40
- RAID Level 0 40
- RAID Level 1 40
- RAID Levels 2 and 3 41
- RAID Level 4 41
- RAID Level 5 41
- Cluster Planning 25 43
- 2.3.2 SCSI Disks 44
- Dual Active 45
- 2.4 Resource Planning 46
- 2.4.1 Resource Group Options 46
- Inactive Takeover 47
- 2.4.2 Shared LVM Components 48
- Cluster Planning 31 49
- Mutual Takeover Configuration 50
- Cluster Planning 33 51
- 2.4.3 IP Address Takeover 52
- Single Network 53
- Dual Network 54
- Point-to-Point Connection 54
- Network Name 55
- Network Attribute 55
- Adapter Label 56
- Adapter Function 56
- Cluster Planning 39 57
- file and, if 58
- 2.5 Application Planning 59
- HACMP for 60
- HACMP for AIX Planning Guide 60
- 2.5.3 Licensing Methods 61
- 2.6 Customization Planning 62
- 2.6.1 Event Customization 62
- 2.6.2 Error Notification 63
- <en_method> 65
- 2.7 User ID Planning 66
- 2.7.2 Cluster Passwords 67
- 3.1 Cluster Node Setup 69
- 3.1.1 Adapter Slot Placement 69
- 3.1.2 Rootvg Mirroring 69
- 3.1.3 AIX Prerequisite LPPs 73
- 3.1.4 AIX Parameter Settings 74
- 3.2.1 TCP/IP Networks 78
- 3.2.2 Non TCP/IP Networks 81
- 3.3 Cluster Disk Setup 84
- 3.3.1 SSA 84
- Adapter Router 85
- Adapter Definitions 86
- Disk Definitions 86
- Diagnostics 87
- Upgrade Instructions 88
- 3.3.2 SCSI 90
- SCSI Adapters 91
- RAID Enclosures 91
- # chdev -l scsi1 -a id=6 -P 98
- # chdev -l ascsi1 -a id=6 -P 99
- 3.4.1 Creating Shared VGs 100
- Subsystems 101
- Table 16. smit crjfs Options 102
- 3.4.3 Mirroring Strategies 104
- Table 18. smit crjfs Options 105
- 3.4.5 Quorum 106
- Quorum Disabled 107
- Quorum Enabled 107
- Forcing a Varyon 108
- 4.1 Installing HACMP 111
- 4.1.1 First Time Installs 111
- Check Upgraded Configuration 116
- Client-only Migration 117
- 4.2.1 Defining the Cluster 119
- 4.2.2 Defining Nodes 119
- 4.2.3 Defining Adapters 120
- HACMP Installation Guide 121
- HACMP for AIX 122
- Version 4.3:Planning Guide 122
- HACMP for AIX, Version 4.3: 123
- Administration Guide 123
- Fibrillate Count 124
- Table 19 125
- 4.3 Defining Resources 126
- 4.4 Initial Testing 129
- 4.4.1 Clverify 129
- 4.4.2 Initial Startup 130
- 4.5 Cluster Snapshot 131
- 5.1 Event Customization 135
- Cluster Customization 119 137
- Cluster Customization 121 139
- 5.1.3 Event Notification 140
- 5.1.6 Event Emulator 141
- 5.2 Error Notification 141
- Fast, Normal 142
- 5.4 NFS considerations 143
- 5.4.3 NFS Mounting 144
- /bfs locally mounted 145
- /bfs nfs-exported 145
- /afs locally mounted 145
- /afs nfs-exported 145
- Chapter 6. Cluster Testing 149
- 6.1.2 System Parameters 150
- 6.1.3 Process State 150
- 6.1.4 Network State 150
- 6.1.5 LVM State 151
- 6.1.6 Cluster State 151
- 6.2 Simulate Errors 152
- 6.2.1 Adapter Failure 152
- Cluster Testing 135 153
- Cluster Testing 137 155
- 6.2.3 Network Failure 156
- 6.2.4 Disk Failure 157
- 6.2.5 Application Failure 159
- /var/adm/cluster.log 161
- /tmp/hacmp.out 161
- 7.2 config_too_long 162
- 7.3 Deadman Switch 163
- Cluster Troubleshooting 147 165
- 7.5 The DGSP Message 166
- ) is sent 166
- 7.6 User ID Problems 167
- 7.7 Troubleshooting Strategy 167
- 8.1 Monitoring the Cluster 169
- 8.1.1 The clstat Command 170
- 8.1.3 Cluster Log Files 171
- file resides on the 172
- 8.2.1 HACMP Daemons 173
- Start Cluster Services SMIT 174
- # Bring up Cluster 175
- 8.3.1 Nodes 178
- 8.3.2 Adapters 178
- 8.3.3 Disks 179
- 8.4.1 Manual Update 181
- 8.4.2 Lazy Update 182
- 8.4.3 C-SPOC 183
- 8.4.4 TaskGuide 185
- Concepts and Facilities 186
- Sticky Resource Migration 188
- Non-Sticky Resource Migration 188
- Node Name 189
- Default Location 189
- Stop Location 190
- Stopping Resource Groups 191
- System A System B 193
- 8.7 Backup Strategies 194
- 8.7.1 Split-Mirror Backups 194
- 8.8 User Management 196
- 8.8.6 C-SPOC Log 199
- 9.1.1 Hardware Requirements 201
- 9.1.2 Software Requirements 202
- 9.1.5 HACWS Configuration 203
- 9.1.6 Setup and Test HACWS 204
- 9.2 Kerberos Security 205
- Kerberos 206
- 9.3 VSDs - RVSDs 208
- Managing Shared Disks 209
- Undefined 210
- Suspended 210
- Fast IP Network 211
- 9.4.2 Eprimary Management 214
- 9.4.3 Switch Failures 214
- 10.1 HACMP for AIX Classic 217
- /.rhosts remote command 219
- 10.5 Decision Criteria 220
- Enhanced Scalability 221
- Appendix A. Special Notices 223
- Special Notices 207 225
- B.2 Redbooks on CD-ROMs 227
- B.3 Other Publications 228
- How to Get ITSO Redbooks 229
- IBM Redbook Order Form 231
- List of Abbreviations 233
- ITSO Redbook Evaluation 239
- Printed in the U.S.A 240
- SG24-5131-00 240
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