Managing Serviceguard Sixteenth Edition, March 2009
configuring with commands, 217
redundancy of components, 37
Serviceguard, 30
typical configuration, 29
understanding components, 37
cluster administration, 312
solving problems, 375
cluster and package maintenance, 297
cluster configuration
creating with SAM or Commands, 216
file on all nodes, 59
identifying cluster lock volume group, 218
identifying cluster-aware volume groups, 223
planning, 137
planning worksheet, 159
sample diagram, 125
verifying the cluster configuration, 230
cluster configuration file
Autostart Delay parameter (AUTO_START_TIMEOUT), 153
cluster coordinator
defined, 59
cluster lock, 62
4 or more nodes, 66
and cluster re-formation time, 132, 137
and cluster reformation, example, 119
and power supplies, 49
backup up lock data, 202
dual lock disk, 64
identifying in configuration file, 218, 220
migrating device file names, 327
migrating disks to agile addressing, 410
no locks, 66
single lock disk, 64
storing configuration data, 232
two nodes, 63
updating configuration, 327
use in re-forming a cluster, 63
cluster manager
automatic restart of cluster, 61
blank planning worksheet, 425
cluster node parameter, 138
cluster volume group parameter, 159
defined, 59
dynamic re-formation, 62
heartbeat subnet parameter, 145
initial configuration of the cluster, 59
main functions, 59
member timeout parameter, 152
monitored non-heartbeat subnet, 148
network polling interval parameter, 154
physical lock volume parameter, 140
planning the configuration, 138
quorum server parameter, 141
quorum server polling interval parameter, 141
quorum server timeout extension parameter, 142
testing, 362
cluster node
parameter in cluster manager configuration, 138
cluster parameters
initial configuration, 59
cluster re-formation
scenario, 118
cluster re-formation time, 132
cluster startup
manual, 61
cluster volume group
creating physical volumes, 208
parameter in cluster manager configuration, 159
cluster with high availability disk array
figure, 48, 49
clusters
active/standby type, 50
larger size, 50
cmapplyconf, 231, 347
cmassistd daemon, 54
cmcheckconf, 230, 292, 346
troubleshooting, 374
cmclconfd daemon, 54, 55
cmcld daemon, 54
and node TOC, 55
and safety timer, 55
functions, 55
cmclnodelist bootstrap file, 195
cmdeleteconf
deleting a package configuration, 351
deleting the cluster configuration, 250
cmfileassistd daemon, 54, 56
cmlogd daemon, 54, 56
cmlvmd daemon, 54, 56
cmmodnet
assigning IP addresses in control scripts, 91
cmnetassist daemon, 57
cmnetassistd daemon, 54
cmomd daemon, 54, 56
cmquerycl
troubleshooting, 374
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, 137
of the cluster, 59
package, 253
package planning, 159
service, 253
configuration file
for cluster manager, 59
troubleshooting, 373
Configuration synchronization with DSAU, 34
CONFIGURED_IO_TIMEOUT_EXTENSION
452 Index