Managing HP Serviceguard A.11.20.00 for Linux, June 2012

power, 74
quorum server, 75
SPU information, 72
volume groups and physical volumes, 76
worksheets, 74
planning and documenting an HA cluster, 70
planning for cluster expansion, 70
planning worksheets
blanks, 253
point of failure
in networking, 22
POLLING_TARGET
defined, 91
ports
dual and single aggregated, 57
power planning
power sources, 74
worksheet, 75, 254
power supplies
blank planning worksheet, 253
power supply
and cluster lock, 26
UPS, 26
primary LAN interfaces
defined, 21
primary node, 18
Q
QS_ADDR
parameter in cluster manager configuration, 81
quorum
and cluster reformation, 67
quorum server
and safety timer, 28
installing, 130
parameters in cluster manager configuration, 81
planning, 75
R
re-formation
of cluster, 32
reconfiguring a package
while the cluster is running, 217
reconfiguring a package with the cluster offline, 218
reconfiguring a running cluster, 205
reconfiguring the entire cluster, 205
reconfiguring the lock volume group, 205
recovery time, 76
redundancy
in networking, 22
of cluster components, 21
redundancy in network interfaces, 21
redundant Ethernet configuration, 22
redundant LANS
figure, 23
redundant networks
for heartbeat, 18
relocatable IP address
defined, 54
relocatable IP addresses
in Serviceguard packages, 54
remote switching, 61
removing nodes from operation in a running cluster, 191
removing packages on a running cluster, 179
removing Serviceguard from a system, 224
replacing disks, 227
resources
disks, 25
responses
to cluster events, 223
to package and service failures, 68
responses to failures, 66
responses to hardware failures, 68
restart
automatic restart of cluster, 31
following failure, 69
restartable transactions, 241
restarting the cluster automatically, 191
restoring client connections in applications, 246
rotating standby
configuring with failover policies, 39
setting package policies, 39
RUN_SCRIPT
parameter in package configuration, 174
RUN_SCRIPT_TIMEOUT (run script timeout)
parameter in package configuration, 174
running cluster
adding or removing packages, 179
S
S800 series number
hardware planning, 72
safety timer
and node TOC, 28
and syslog, 28
duration, 28
sample disk configurations, 25
Sample monitoring script for generic resources, 269
service administration, 195
service configuration
step by step, 153
service failures
responses, 68
service restarts, 69
SERVICE_CMD
in sample package control script, 213
SERVICE_FAIL_FAST_ENABLED
and node TOC, 68
SERVICE_NAME
in sample package control script, 213
SERVICE_RESTART
in sample package control script, 213
Serviceguard
install, 121
introduction, 17
Serviceguard at a Glance, 17
Serviceguard behavior
in LAN failure, 21
278 Index