Managing Serviceguard Nineteenth Edition, Reprinted June 2011

Q
qs daemon, 39
QS_ADDR
parameter in cluster manager configuration, 107
QS_HOST
parameter in cluster manager configuration, 106
QS_POLLING_INTERVAL
parameter in cluster manager configuration, 107
QS_TIMEOUT_EXTENSION
parameter in cluster manager configuration, 107
quorum
and cluster reformation, 85
quorum server
and safety timer, 39
blank planning worksheet, 356
installing, 168
parameters in cluster manager configuration, 106, 107
planning, 95
status and state, 253
use in re-forming a cluster, 46
worksheet, 95
R
RAID
for data protection, 32
raw volumes, 329
re-formation
of cluster, 43
re-formation time, 95
README
for database toolkits, 326
reconfiguring a package
while the cluster is running, 297
reconfiguring a package with the cluster offline, 298
reconfiguring a running cluster, 282
reconfiguring the entire cluster, 282
reconfiguring the lock volume group, 282
recovery time, 99
redundancy
in networking, 28
of cluster components, 26
redundancy in network interfaces, 27
redundant Ethernet configuration, 28
redundant LANS
figure, 28
redundant networks
for heartbeat, 21
relocatable IP address
defined, 64
relocatable IP addresses, 64
in Serviceguard, 64
remote switching, 69
removing nodes from operation in a running cluster, 266
removing packages on a running cluster, 246
Removing Serviceguard from a system, 307
replacing disks, 310
resources
disks, 31
responses
to cluster events, 306
to package and service failures, 87
responses to failures, 85
responses to hardware failures, 86
restart
automatic restart of cluster, 43
following failure, 87
restartable transactions, 330
restarting the cluster automatically, 266
restoring client connections in applications, 336
rolling software upgrades, 343
example, 349
steps, 346
rolling software upgrades (DRD)
steps, 348
rolling upgrade
limitations, 346
root mirror
creating with LVM, 163
rotating standby
configuring with failover policies, 51
setting package policies, 51
RUN_SCRIPT
parameter in package configuration, 240
RUN_SCRIPT_TIMEOUT (run script timeout)
parameter in package configuration, 240
running cluster
adding or removing packages , 246
S
safety timer
and node TOC, 39
and syslog.log, 39
duration, 39
sample cluster configuration
figure, 89
sample disk configurations, 33, 34
SCSI addressing, 91, 94
SECOND_CLUSTER_LOCK_PV
parameter in cluster manager configuration, 106, 112
service administration, 271
service command
variable in package control script, 240
service configuration
step by step, 216
service failures
responses, 87
service restarts, 87
SERVICE_CMD
array variable in package control script, 240
in sample package control script, 292
SERVICE_FAIL_FAST_ENABLED
and node TOC, 87
SERVICE_NAME
in sample package control script, 292
SERVICE_RESTART
in sample package control script, 292
Serviceguard
install, 149
383