Managing Serviceguard Sixteenth Edition, March 2009

redundant configuration, 40
Event Monitoring Service
for disk monitoring, 45
in troubleshooting, 363, 364
event monitoring service
using, 80
exclusive access
relinquishing via TOC, 119
expanding the cluster
planning ahead, 124
expansion
planning for, 163
F
failback policy
used by package manager, 76
FAILBACK_POLICY parameter
used by package manager, 76
failover
controlling the speed in applications, 389
defined, 31
failover behavior
in packages, 164
failover package, 68
failover policy
used by package manager, 72
FAILOVER_POLICY parameter
used by package manager, 72
failure
kinds of responses, 118
network communication, 121
package, service, node, 118
response to hardware failures, 119
responses to package and service failures, 120
restarting a service after failure, 121
failures
of applications, 398
figures
cluster with high availability disk array, 48, 49
eight-node active/standby cluster, 51
eight-node cluster with EMC disk array, 52
mirrored disks connected for high availability, 47
node 1 rejoining the cluster, 414
node 1 upgraded to new HP-UX vesion, 413
redundant LANs, 40
running cluster after upgrades, 415
running cluster before rolling upgrade, 412
running cluster with packages moved to node 1, 414
running cluster with packages moved to node 2, 413
sample cluster configuration, 125
typical cluster after failover, 31
typical cluster configuration, 29
file locking, 397
file systems
creating for a cluster, 209, 215
planning, 133
FIRST_CLUSTER_LOCK_PV
parameter in cluster manager configuration, 140, 149
floating IP address
defined, 91
floating IP addresses, 91
in Serviceguard, 91
FS
in sample package control script, 343
FS_MOUNT_OPT
in sample package control script, 343
G
GAB for CVM and CFS, 58
general planning, 123
gethostbyname
and package IP addresses, 91
gethostbyname(), 394
H
HA
disk enclosures, 45
HA monitors (EMS), 80
HALT_SCRIPT
parameter in package configuration, 284
HALT_SCRIPT_TIMEOUT (halt script timeout)
parameter in package configuration, 285
halting a cluster, 315
halting a package, 317
halting the entire cluster, 315
handling application failures, 398
hardware
blank planning worksheet, 420
monitoring, 363
hardware failures
response to, 119
hardware for OPS on HP-UX
power supplies, 49
hardware planning
Disk I/O Bus Type, 128
disk I/O information for shared disks, 128
host IP address, 126, 133
host name, 125
I/O bus addresses, 128
I/O slot numbers, 128
LAN information, 126
LAN interface name, 126, 133
LAN traffic type, 127
memory capacity, 126
number of I/O slots, 126
planning the configuration, 124
S800 series number, 125
SPU information, 125
subnet, 126, 133
worksheet, 129
heartbeat messages, 30
defined, 60
heartbeat subnet address
454 Index