step by step, 227 service failures

responses, 90 service restarts, 91

SERVICE_CMD

array variable in package control script, 253 in sample package control script, 306

SERVICE_FAIL_FAST_ENABLED and node TOC, 90

SERVICE_NAME

in sample package control script, 306

SERVICE_RESTART

in sample package control script, 306 Serviceguard

install, 158 introduction, 21

Serviceguard at a glance, 21

Serviceguard behavior after monitored resource failure, 27

Serviceguard behavior in LAN failure, 27 Serviceguard behavior in software failure, 27 Serviceguard commands

to configure a package, 303 Serviceguard Manager, 24

overview, 24

SG-CFS-DG-id# multi-node package, 127 SG-CFS-MP-id# multi-node package, 127 SG-CFS-pkg system multi-node package, 126 SGCONF, 159

shared disks planning, 96

single cluster lock choosing, 48

single point of failure avoiding, 21

single-node operation, 224, 320 size of cluster

preparing for changes, 157 SMN package, 50

SNA applications, 348 software failure

Serviceguard behavior, 27 software planning

CVM and VxVM, 102 LVM, 100

solving problems, 332 SPU information

planning, 94 standby LAN interfaces

defined, 28

standby network interface, 28 starting a package, 284 startup of cluster

manual, 45

when all nodes are down, 278 state

of cluster and package, 262 stationary IP addresses, 67

STATIONARY_IP

parameter in cluster manager configuration, 116 status

cmviewcl, 261 multi-node packages, 262

of cluster and package, 262 package IP address, 329 system log file, 329

stopping a cluster, 279 storage management, 79

SUBNET

in sample package control script, 306 parameter in package configuration, 253

subnet

hardware planning, 94, 99

parameter in package configuration, 253 SUBNET (for IP Monitor)

defined, 122 successor_halt_timeout parameter, 237 supported disks in Serviceguard, 32 switching

ARP messages after switching, 73 local interface switching, 70 remote system switching, 73

switching IP addresses, 52, 53, 73 system log file

troubleshooting, 329 system message

changing for clusters, 224 system multi-node package, 50

used with CVM, 220

T

tasks in Serviceguard configuration, 26 testing

cluster manager, 322 network manager, 322 package manager, 321 testing cluster operation, 321

time protocol (NTP) for clusters, 171

timeout node, 88

TOC

and MEMBER_TIMEOUT, 88 and package availability, 89 and safety timer, 120

and the safety timer, 41 defined, 41

when a node fails, 88 toolkits

for databases, 340 traffic type

LAN hardware planning, 95 troubleshooting

approaches, 329 monitoring hardware, 322 replacing disks, 324 reviewing control scripts, 331 reviewing package IP addresses, 329

406 Index

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HP Serviceguard manual Servicename