Managing Serviceguard Eighteenth Edition, September 2010

configuring with commands, 243
redundancy of components, 37
Serviceguard, 30
typical configuration, 29
understanding components, 37
cluster administration, 341
solving problems, 413
cluster and package maintenance , 321
cluster configuration
creating with SAM or Commands, 242
file on all nodes, 59
identifying cluster lock volume group, 246
identifying cluster-aware volume groups, 251
planning, 135
planning worksheet, 167
sample diagram, 123
verifying the cluster configuration, 258
cluster configuration file
Autostart Delay parameter (AUTO_START_TIMEOUT), 161
cluster coordinator
defined, 59
cluster lock, 62
4 or more nodes, 66
and cluster re-formation time, 130
and cluster reformation, example, 117
and power supplies, 49
backup up lock data, 226
dual lock disk, 64
identifying in configuration file, 246, 248
migrating device file names, 364
migrating disks to agile addressing, 451
no locks, 66
single lock disk, 64
storing configuration data, 260
two nodes, 63
updating configuration, 364
use in re-forming a cluster, 63
cluster manager
automatic restart of cluster, 61
blank planning worksheet, 469
cluster node parameter, 143
cluster volume group parameter, 167
defined, 59
dynamic re-formation, 61
heartbeat subnet parameter, 151
initial configuration of the cluster, 59
main functions, 59
member timeout parameter, 160
monitored non-heartbeat subnet, 155
network polling interval parameter, 161
physical lock volume parameter, 145
planning the configuration, 143
quorum server parameter, 146, 147
quorum server polling interval parameter, 147
quorum server timeout extension parameter, 147
testing, 400
cluster node
parameter in cluster manager configuration, 143
cluster parameters
initial configuration, 59
cluster re-formation
scenario, 117
cluster re-formation time, 130
cluster startup
manual, 61
cluster volume group
creating physical volumes, 233
parameter in cluster manager configuration, 167
cluster with high availability disk array
figure, 48, 49
clusters
active/standby type, 50
larger size, 50
cmapplyconf, 259, 383
cmassistd daemon, 54
cmcheckconf, 258, 318, 382
troubleshooting, 412
cmclconfd daemon, 54, 55
cmcld daemon, 54
and node TOC, 55
and safety timer, 55
functions, 55
cmclnodelist bootstrap file, 216
cmdeleteconf
deleting a package configuration, 388
deleting the cluster configuration, 277
cmfileassistd daemon, 54, 56
cmlogd daemon, 54, 56
cmlvmd daemon, 54, 56
cmmodnet
assigning IP addresses in control scripts, 90
cmnetassist daemon, 57
cmnetassistd daemon, 54
cmomd daemon, 54, 56
cmquerycl
troubleshooting, 412
cmserviced daemon, 57
cmsnmpd daemon, 54
cmvxd daemon, 54
cmvxd for CVM and CFS, 59
cmvxping for CVM and CFS, 59
cmvxpingd daemon, 55
configuration
basic tasks and steps, 35
cluster planning, 135
of the cluster, 59
package, 279
package planning, 168
service, 279
configuration file
for cluster manager, 59
troubleshooting, 411, 412
Configuration synchronization with DSAU, 34
CONFIGURED_IO_TIMEOUT_EXTENSION
494 Index