Managing HP Serviceguard A.11.20.10 for Linux, December 2012

planning for, 102
explanations
package parameters, 168
F
failback policy
used by package manager, 47
FAILBACK_POLICY parameter
used by package manager, 47
failover
controlling the speed in applications, 258
defined, 20
failover behavior
in packages, 103
failover package, 41, 164
failover policy
used by package manager, 44
FAILOVER_POLICY parameter
used by package manager, 44
failure
kinds of responses, 72
network communication, 74
response to hardware failures, 73
responses to package and service failures, 73
restarting a service after failure, 74
failures
of applications, 265
FibreChannel, 29
figures
mirrored disks connected for high availability, 30
redundant LANs, 27
Serviceguard software components, 31
tasks in configuring an Serviceguard cluster, 23
typical cluster after failover, 21
typical cluster configuration, 20
file locking, 264
file system name parameter in package control script, 185
file systems
planning, 81
floating IP address
defined, 59
floating IP addresses
in Serviceguard packages, 59
FS, 185
in sample package control script, 228
FS_MOUNT_OPT
in sample package control script, 228
G
general planning, 75
Generic Resources
monitoring package resources with, 50
monitoring script, 289
Generic resources
sample monitoring script, 291
generic resources monitoring service
using, 50
gethostbyname(), 262
H
HALT_SCRIPT
parameter in package configuration, 185
HALT_SCRIPT_TIMEOUT (halt script timeout)
parameter in package configuration, 185
halting a cluster, 204
halting a package, 209
halting the entire cluster, 204
handling application failures, 265
hardware
monitoring, 242
power supplies, 30
hardware failures
response to, 73
hardware planning
blank planning worksheet, 273
Disk I/O Bus Type, 78
disk I/O information for shared disks, 78
host IP address, 77, 81
host name, 77
I/O bus addresses, 78
I/O slot numbers, 78
LAN interface name, 77, 80
LAN traffic type, 77
memory capacity, 77
number of I/O slots, 77
planning the configuration, 77
S800 series number, 77
SPU information, 77
subnet, 77, 80
worksheet, 79
heartbeat messages, 20
defined, 36
heartbeat subnet address
parameter in cluster configuration, 90
HEARTBEAT_IP
parameter in cluster configuration, 90
high availability, 19
HA cluster defined, 25
objectives in planning, 75
host IP address
hardware planning, 77, 81
host name
hardware planning, 77
HOSTNAME_ADDRESS_FAMILY
defined, 87
discussion and restrictions, 83
how the cluster manager works, 36
how the network manager works, 59
I
I/O bus addresses
hardware planning, 78
I/O slots
hardware planning, 77, 78
identifying cluster-aware volume groups, 151
Installing Serviceguard, 129
installing software
quorum server, 139
299