Managing Serviceguard Seventeenth Edition, First Reprint December 2009

using, 79
exclusive access
relinquishing via TOC, 118
expanding the cluster
planning ahead, 122
expansion
planning for, 166
F
failback policy
used by package manager, 75
FAILBACK_POLICY parameter
used by package manager, 75
failover
controlling the speed in applications, 393
defined, 31
failover behavior
in packages, 166
failover package, 68
failover policy
used by package manager, 72
FAILOVER_POLICY parameter
used by package manager, 72
failure
kinds of responses, 116
network communication, 120
package, service, node, 116
response to hardware failures, 118
responses to package and service failures, 119
restarting a service after failure, 119
failures
of applications, 405
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, 423
node 1 upgraded to new HP-UX vesion, 423
redundant LANs, 40
running cluster after upgrades, 424
running cluster before rolling upgrade, 422
running cluster with packages moved to node 1, 424
running cluster with packages moved to node 2, 422
sample cluster configuration, 123
typical cluster after failover, 31
typical cluster configuration, 29
file locking, 401
file systems
creating for a cluster, 213, 218
planning, 131
FIRST_CLUSTER_LOCK_PV
parameter in cluster manager configuration, 141, 153
floating IP address
defined, 90
floating IP addresses, 90
in Serviceguard, 90
FS
in sample package control script, 344
FS_MOUNT_OPT
in sample package control script, 344
G
GAB for CVM and CFS, 58
general planning, 121
gethostbyname
and package IP addresses, 90
gethostbyname(), 398
H
HA
disk enclosures, 45
HA monitors (EMS), 79
HALT_SCRIPT
parameter in package configuration, 286
HALT_SCRIPT_TIMEOUT (halt script timeout)
parameter in package configuration, 286
halting a cluster, 314
halting a package, 316
halting the entire cluster, 314
handling application failures, 405
hardware
blank planning worksheet, 430
monitoring, 367
hardware failures
response to, 118
hardware for OPS on HP-UX
power supplies, 49
hardware planning
Disk I/O Bus Type, 126
disk I/O information for shared disks, 126
host IP address, 124, 131
host name, 123
I/O bus addresses, 126
I/O slot numbers, 126
LAN information, 124
LAN interface name, 124, 131
LAN traffic type, 125
memory capacity, 124
number of I/O slots, 124
planning the configuration, 122
S800 series number, 123
SPU information, 123
subnet, 124, 131
worksheet, 127
heartbeat messages, 30
defined, 60
heartbeat subnet address
parameter in cluster configuration, 147
HEARTBEAT_IP
configuration requirements, 148
parameter in cluster configuration, 147
high availability, 29
462 Index