Managing HP Serviceguard for Linux Ninth Edition, April 2009

in sample package control script, 256
SERVICE_RESTART
in sample package control script, 256
Serviceguard
install, 147
introduction, 23
Serviceguard at a Glance, 23
Serviceguard behavior
in LAN failure, 29
in monitored resource failure, 29
in software failure, 29
Serviceguard commands
to configure a package, 252
Serviceguard Manager, 27
overview, 26
Serviceguard software components
figure, 38
shared disks
planning, 96
shutdown and startup
defined for applications, 290
single point of failure
avoiding, 23
single-node operation, 186, 269
size of cluster
preparing for changes, 144
SMN package, 49
SNA applications, 298
software failure
Serviceguard behavior, 29
software planning
LVM, 99
solving problems, 281
SPU information
planning, 94
standby LAN interfaces
defined, 30
starting a package, 234
startup and shutdown
defined for applications, 290
startup of cluster
manual, 43
stationary IP addresses, 71
STATIONARY_IP
parameter in cluster configuration, 109
status
cmviewcl, 221
package IP address, 278
system log file, 279
stopping a cluster, 234
SUBNET
in sample package control script, 256
parameter in package configuration, 213
subnet
hardware planning, 95, 99
parameter in package configuration, 213
SUBNET (for IP Monitor)
defined, 115
successor_halt_timeout parameter, 200
supported disks in Serviceguard, 35
supported networks in Serviceguard, 30
switching
ARP messages after switching, 83
local interface switching, 74
remote system switching, 82
switching IP addresses, 52, 53, 83
system log, 273
system log file
troubleshooting, 279
system message
changing for clusters, 186
system multi-node package, 49, 190
T
tasks in Serviceguard configuration
figure, 28
testing
cluster manager, 272
package manager, 271
testing cluster operation, 271
time protocol (NTP)
for clusters, 153
TOC
and package availability, 89
and safety timer, 113
and the safety timer, 39
when a node fails, 88
traffic type
LAN hardware planning, 95
troubleshooting
approaches, 278
monitoring hardware, 272
replacing disks, 273
reviewing control scripts, 280
reviewing package IP addresses, 278
reviewing system log file, 279
using cmquerycl and cmcheckconf, 281
troubleshooting your cluster, 271
typical cluster after failover
figure, 25
typical cluster configuration
figure, 24
U
uname(2), 297
understanding network components in Serviceguard, 30
UPS
in power planning, 97
power supply, 36
use of the cluster lock, 45, 46
V
verifying cluster configuration, 182
337