Managing HP Serviceguard A.11.20.00 for Linux, June 2012
in monitored resource failure, 21
in software failure, 21
Serviceguard commands
to configure a package, 210
Serviceguard Manager, 19
overview, 19
Serviceguard software components
figure, 27
shared disks
planning, 73
shutdown and startup
defined for applications, 240
single point of failure
avoiding, 17
single-node operation, 151, 224
size of cluster
preparing for changes, 119
SMN package, 35
SNA applications, 246
software failure
Serviceguard behavior, 21
software planning
LVM, 76
solving problems, 233
SPU information
planning, 72
standby LAN interfaces
defined, 21
starting a package, 196
startup and shutdown
defined for applications, 240
startup of cluster
manual, 31
stationary IP addresses, 54
STATIONARY_IP
parameter in cluster configuration, 85
status
cmviewcl, 180
package IP address, 230
system log file, 231
stopping a cluster, 191
SUBNET
in sample package control script, 213
parameter in package configuration, 174
subnet
hardware planning, 72, 75
parameter in package configuration, 174
SUBNET (for IP Monitor)
defined, 90
successor_halt_timeout parameter, 161
supported disks in Serviceguard, 25
supported networks in Serviceguard, 21
switching
ARP messages after switching, 62
local interface switching, 55
remote system switching, 61
switching IP addresses, 37, 38, 62
system log, 226
system log file
troubleshooting, 231
system message
changing for clusters, 151
system multi-node package, 35, 154
T
tasks in Serviceguard configuration
figure, 20
testing
cluster manager, 226
package manager, 225
testing cluster operation, 225
time protocol (NTP)
for clusters, 126
TOC
and package availability, 67
and safety timer, 87
and the safety timer, 28
when a node fails, 66
traffic type
LAN hardware planning, 72
troubleshooting
approaches, 230
monitoring hardware, 226
replacing disks, 227
reviewing control scripts, 232
reviewing package IP addresses, 230
reviewing system log file, 231
using cmquerycl and cmcheckconf, 232
troubleshooting your cluster, 225
typical cluster after failover
figure, 18
typical cluster configuration
figure, 17
U
uname(2), 245
understanding network components in Serviceguard, 21
UPS
in power planning, 74
power supply, 26
use of the cluster lock, 33
V
verifying cluster configuration, 148
verifying the cluster and package configuration, 178,
214, 215
VG
in sample package control script, 213
vgcfgbackup
using to back up volume group configuration, 137
VGCHANGE
in package control script, 213
VGChange, 174
volume group
for cluster lock, 33
planning, 76
volume group and physical volume planning, 76
279