Managing HP Serviceguard for Linux Ninth Edition, April 2009

for expansion, 120
hardware configuration, 94
high availability objectives, 93
overview, 93
package configuration, 118
power, 97
quorum server, 99
SPU information, 94
volume groups and physical volumes, 99
worksheets, 97
planning and documenting an HA cluster, 93
planning for cluster expansion, 94
planning worksheets
blanks, 309
point of failure
in networking, 31
POLLING_TARGET
defined, 116
ports
dual and single aggregated, 76
power planning
power sources, 97
worksheet, 98, 312
power supplies
blank planning worksheet, 311
power supply
and cluster lock, 36
UPS, 36
primary LAN interfaces
defined, 30
primary node, 25
Q
QS_ADDR
parameter in cluster manager configuration, 104
quorum
and cluster reformation, 88
quorum server
and safety timer, 39
installing, 159
parameters in cluster manager configuration, 104
planning, 99
R
re-formation
of cluster, 44
reconfiguring a package
while the cluster is running, 262
reconfiguring a package with the cluster offline, 263
reconfiguring a running cluster, 245
reconfiguring the entire cluster, 245
reconfiguring the lock volume group, 245
recovery time, 100
redundancy
in networking, 31
of cluster components, 29
redundancy in network interfaces, 30
redundant Ethernet configuration, 31
redundant LANS
figure, 32
redundant networks
for heartbeat, 24
relocatable IP address
defined, 71
relocatable IP addresses
in Serviceguard packages, 72
remote switching, 82
removing nodes from operation in a running cluster, 233
removing packages on a running cluster, 220
removing Serviceguard from a system, 269
replacing disks, 273
resources
disks, 34
responses
to cluster events, 268
to package and service failures, 90
responses to failures, 88
responses to hardware failures, 89
restart
automatic restart of cluster, 44
following failure, 91
restartable transactions, 292
restarting the cluster automatically, 234
restoring client connections in applications, 299
rotating standby
configuring with failover policies, 54
setting package policies, 54
RUN_SCRIPT
parameter in package configuration, 213
RUN_SCRIPT_TIMEOUT (run script timeout)
parameter in package configuration, 214
running cluster
adding or removing packages, 220
S
S800 series number
hardware planning, 94
safety timer
and node TOC, 39
and syslog, 39
duration, 39
sample disk configurations, 35
service administration, 234
service configuration
step by step, 189
service failures
responses, 90
service restarts, 91
SERVICE_CMD
in sample package control script, 256
SERVICE_FAIL_FAST_ENABLED
and node TOC, 90
SERVICE_NAME
336 Index