Hp 9000 V2600 SCA Manual de usuario Pagina 159
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Chapter 7 137
7 Recovering from failures
This chapter provides detailed information on recovering from HP-UX
system interruptions.
Usually, the first indication of a problem is that the system does not
respond to user input. This lack of response indicates either a
performance problem or system interruption.
Performance problems are generally characterized by:
• The system responds to one or more programs/users but not all, or
sluggishly to others.
• The system seems to be very slow
System interruptions usually result in a total loss of CPU resources for
all users/programs due to a:
• System hang
• System panic
•HPMC
- Operator’s Guide 1
- Revision History 2
- Contents 3
- Preface xiii 13
- Notational conventions 14
- Safety in material handling 16
- BCIQ (Taiwan) 17
- 3862H354 18
- Fuse cautions 19
- Associated documents 20
- Technical assistance 21
- Reader feedback 22
- 1Overview 23
- V-Class System Components 24
- The Service Support Processor 25
- (diagnostic LAN) 27
- Term. Server 27
- (console) 27
- SSP Workstation 27
- V-Class Server Architecture 28
- Chapter 1 7 29
- Overview 29
- HyperPlane Crossbar 29
- Core Utilities Board 31
- Processors 31
- Memory Interleaving 33
- CTI Cache Memory 33
- Input/Output 34
- 32103210 210210 35
- 0123 0123 35
- Chapter 1 19 41
- 20 Chapter 1 42
- 2 Indicators, switches, and 43
- DVD-ROM drive 44
- Key switch panel 44
- LCD display 44
- Optional DAT drive 44
- Headphone jack 46
- Volume control 46
- Busy indicator 46
- Disk loading slot 46
- Eject button 46
- Attention light bar 49
- MIII IIII IIII IIII 50
- IIII IIII IIII IIII 50
- Message display line 52
- Environmental errors 54
- 34 Chapter 2 56
- System Displays 56
- 3 SSP operation 57
- SSP and the V-Class system 58
- SSP log-on 59
- 38 Chapter 3 60
- SSP operation 60
- Chapter 3 39 61
- Message window 62
- Console bar 62
- Environment) Workspace menu 63
- 42 Chapter 3 64
- Using the console 67
- Console commands 71
- Watching the console 72
- CTRL-Ec 73
- CTRL-Ecf 73
- CTRL-Ecs 73
- Accessing system logs 74
- The set_complex command 74
- Targeting commands to nodes 75
- SSP file system 76
- /spp/bin 77
- /spp/scripts 77
- /spp/data/complex_name 77
- /spp/firmware 78
- /spp/est 78
- /spp/man 78
- Device files 79
- System log pathnames 80
- 4 Firmware (OBP and PDC) 81
- Boot sequence 82
- Boot process output 84
- Chapter 4 63 85
- Firmware (OBP and PDC) 85
- HP mode boot menu 86
- Enabling Autoboot 89
- Examples 90
- 70 Chapter 4 92
- HElp command 92
- 5 Configuration utilities 93
- Starting ts_config 94
- Configuration procedures 97
- Configure a Node 99
- Configure the scub_ip address 103
- Reset the Node 104
- Deconfigure a Node 106
- Remove terminal mux 107
- Console sessions 107
- 86 Chapter 5 108
- Configuration utilities 108
- /spp/scripts/inst/ts.install 118
- LAN communications 120
- Serial communications 121
- Chapter 5 103 125
- Menu bar 127
- Node configuration map 128
- Node control panel 129
- 114 Chapter 5 136
- 6 HP-UX Operating System 139
- HP-UX on the V2500/V2600 140
- HP-UX parameter sets 142
- HP-UX 11.10 SCA Enhancements 144
- HP-UX SCA Features 145
- Starting HP-UX 147
- Power-On Sequence 148
- Boot variables 149
- in a mode that 151
- command does 151
- command manually. If fsck 151
- 3. Other errors detected 151
- Stopping HP-UX 152
- Chapter 6 131 153
- HP-UX Operating System 153
- Rebooting the system 154
- Shutting down the system 155
- 136 Chapter 6 158
- 7 Recovering from failures 159
- Collecting information 160
- Performance problems 161
- System hangs 162
- System panics 163
- Peripheral problem 164
- File system problem 166
- LAN communication problem 166
- Abnormal system shutdowns 169
- Configuration criteria 172
- System recovery time 172
- Crash information integrity 174
- Disk space needs 176
- Defining dump devices 177
- The /etc/fstab file 181
- The crashconf command 181
- /sbin/crashconf -a 181
- /sbin/crashconf -ar 181
- Dump order 182
- Operator override options 183
- The dump 183
- The reboot 184
- Crash dump format conversion 185
- Analyzing crash dumps 186
- ALED codes 187
- Power on detected errors 188
- CUB detected processor error 194
- CUB detected I/O error 195
- CUB detected fan error 196
- CUB detected hard error 198
- CUB detected dc error 200
- Index 179 201
- 180 Index 202
- Index 181 203
- 182 Index 204
- Index 183 205
- 184 Index 206
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