Managing HP Serviceguard A.11.20.20 for Linux, March 2014

SERVICE_RESTART
in sample package control script, 236
Serviceguard
install, 135
introduction, 19
Serviceguard at a Glance, 19
Serviceguard behavior
in LAN failure, 25
in monitored resource failure, 25
in software failure, 25
Serviceguard commands
to configure a package, 234
Serviceguard Manager, 22
overview, 22
Serviceguard software components
figure, 33
serviceguard WBEM provider, 37
shared disks
planning, 83
shutdown and startup
defined for applications, 270
single point of failure
avoiding, 19
single-node operation, 166, 252
size of cluster
preparing for changes, 132
SMN package, 43
SNA applications, 276
software failure
Serviceguard behavior, 25
software planning
LVM, 85
solving problems, 261
SPU information
planning, 81
standby LAN interfaces
defined, 25
starting a package, 217
startup and shutdown
defined for applications, 270
startup of cluster
manual, 39
stationary IP addresses, 62
STATIONARY_IP
parameter in cluster configuration, 96
status
cmviewcl, 199
package IP address, 258
system log file, 259
stopping a cluster, 213
SUBNET
in sample package control script, 236
parameter in package configuration, 191
subnet
hardware planning, 82, 85
parameter in package configuration, 191
SUBNET (for IP Monitor)
defined, 102
successor_halt_timeout parameter, 178
supported disks in Serviceguard, 29
supported networks in Serviceguard, 25
switching
ARP messages after switching, 70
local interface switching, 63
remote system switching, 69
switching IP addresses, 45, 46, 70
system log, 255
system log file
troubleshooting, 259
system message
changing for clusters, 166
system multi-node package, 43, 170
T
tasks in Serviceguard configuration
figure, 23
testing
cluster manager, 254
package manager, 253
testing cluster operation, 253
time protocol (NTP)
for clusters, 140
TOC
and package availability, 76
and safety timer, 99
and the safety timer, 34
when a node fails, 75
traffic type
LAN hardware planning, 82
troubleshooting
approaches, 258
monitoring hardware, 254
replacing disks, 255
reviewing control scripts, 260
reviewing package IP addresses, 258
reviewing system log file, 259
using cmquerycl and cmcheckconf, 260
troubleshooting your cluster, 253
typical cluster after failover
figure, 21
typical cluster configuration
figure, 20
U
uname(2), 275
understanding network components in Serviceguard, 25
UPS
in power planning, 84
power supply, 30
use of the cluster lock, 40, 41
V
verifying cluster configuration, 163
verifying the cluster and package configuration, 196, 238
VG
in sample package control script, 236
vgcfgbackup
using to back up volume group configuration, 152
315