Managing HP Serviceguard A.11.20.10 for Linux, December 2012

for expansion, 102
hardware configuration, 77
high availability objectives, 75
overview, 75
package configuration, 100
power, 79
quorum server, 80
SPU information, 77
volume groups and physical volumes, 81
worksheets, 79
planning and documenting an HA cluster, 75
planning for cluster expansion, 75
planning worksheets
blanks, 273
point of failure
in networking, 26
POLLING_TARGET
defined, 98
ports
dual and single aggregated, 62
power planning
power sources, 79
worksheet, 80, 274
power supplies
blank planning worksheet, 273
power supply
and cluster lock, 30
UPS, 30
primary LAN interfaces
defined, 25
primary node, 20
Q
QS_ADDR
parameter in cluster manager configuration, 88
quorum
and cluster reformation, 72
quorum server
and safety timer, 32
installing, 139
parameters in cluster manager configuration, 88
planning, 80
R
re-formation
of cluster, 37
reconfiguring a package
while the cluster is running, 232
reconfiguring a package with the cluster offline, 233
reconfiguring a running cluster, 219
reconfiguring the entire cluster, 219
reconfiguring the lock volume group, 219
recovery time, 81
redundancy
in networking, 26
of cluster components, 25
redundancy in network interfaces, 25
redundant Ethernet configuration, 26
redundant LANS
figure, 27
redundant networks
for heartbeat, 20
relocatable IP address
defined, 59
relocatable IP addresses
in Serviceguard packages, 59
remote switching, 67
removing nodes from operation in a running cluster, 204
removing packages on a running cluster, 191
removing Serviceguard from a system, 239
replacing disks, 243
resources
disks, 29
responses
to cluster events, 238
to package and service failures, 73
responses to failures, 72
responses to hardware failures, 73
restart
automatic restart of cluster, 37
following failure, 74
restartable transactions, 259
restarting the cluster automatically, 205
restoring client connections in applications, 264
rotating standby
configuring with failover policies, 44
setting package policies, 44
RUN_SCRIPT
parameter in package configuration, 185
RUN_SCRIPT_TIMEOUT (run script timeout)
parameter in package configuration, 185
running cluster
adding or removing packages, 191
S
S800 series number
hardware planning, 77
safety timer
and node TOC, 32
and syslog, 32
duration, 32
sample disk configurations, 29
Sample monitoring script for generic resources, 291
service administration, 209
service configuration
step by step, 163
service failures
responses, 73
service restarts, 74
SERVICE_CMD
in sample package control script, 228
SERVICE_FAIL_FAST_ENABLED
and node TOC, 74
SERVICE_NAME
in sample package control script, 228
SERVICE_RESTART
in sample package control script, 228
Serviceguard
302 Index