Managing HP Serviceguard A.11.20.10 for Linux, December 2012

install, 129
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, 225
Serviceguard Manager, 22
overview, 22
Serviceguard software components
figure, 31
serviceguard WBEM provider, 34
shared disks
planning, 78
shutdown and startup
defined for applications, 258
single point of failure
avoiding, 19
single-node operation, 160, 239
size of cluster
preparing for changes, 127
SMN package, 41
SNA applications, 264
software failure
Serviceguard behavior, 25
software planning
LVM, 81
solving problems, 249
SPU information
planning, 77
standby LAN interfaces
defined, 25
starting a package, 209
startup and shutdown
defined for applications, 258
startup of cluster
manual, 37
stationary IP addresses, 59
STATIONARY_IP
parameter in cluster configuration, 92
status
cmviewcl, 193
package IP address, 246
system log file, 247
stopping a cluster, 204
SUBNET
in sample package control script, 228
parameter in package configuration, 185
subnet
hardware planning, 77, 80
parameter in package configuration, 185
SUBNET (for IP Monitor)
defined, 97
successor_halt_timeout parameter, 172
supported disks in Serviceguard, 29
supported networks in Serviceguard, 25
switching
ARP messages after switching, 67
local interface switching, 60
remote system switching, 67
switching IP addresses, 43, 44, 67
system log, 243
system log file
troubleshooting, 247
system message
changing for clusters, 160
system multi-node package, 41, 164
T
tasks in Serviceguard configuration
figure, 23
testing
cluster manager, 242
package manager, 241
testing cluster operation, 241
time protocol (NTP)
for clusters, 134
TOC
and package availability, 73
and safety timer, 95
and the safety timer, 32
when a node fails, 72
traffic type
LAN hardware planning, 77
troubleshooting
approaches, 246
monitoring hardware, 242
replacing disks, 243
reviewing control scripts, 248
reviewing package IP addresses, 246
reviewing system log file, 247
using cmquerycl and cmcheckconf, 248
troubleshooting your cluster, 241
typical cluster after failover
figure, 21
typical cluster configuration
figure, 20
U
uname(2), 263
understanding network components in Serviceguard, 25
UPS
in power planning, 79
power supply, 30
use of the cluster lock, 38, 39
V
verifying cluster configuration, 157
verifying the cluster and package configuration, 189,
229, 230
VG
in sample package control script, 228
vgcfgbackup
using to back up volume group configuration, 146
VGCHANGE
in package control script, 228
303