Managing HP Serviceguard A.11.20.00 for Linux, June 2012

F
failback policy
used by package manager, 42
FAILBACK_POLICY parameter
used by package manager, 42
failover
controlling the speed in applications, 240
defined, 18
failover behavior
in packages, 95
failover package, 35, 154
failover policy
used by package manager, 39
FAILOVER_POLICY parameter
used by package manager, 39
failure
kinds of responses, 66
network communication, 69
response to hardware failures, 68
responses to package and service failures, 68
restarting a service after failure, 69
failures
of applications, 247
FibreChannel, 25
figures
mirrored disks connected for high availability, 26
redundant LANs, 23
Serviceguard software components, 27
tasks in configuring an Serviceguard cluster, 20
typical cluster after failover, 18
typical cluster configuration, 17
file locking, 246
file system name parameter in package control script, 174
file systems
planning, 76
floating IP address
defined, 54
floating IP addresses
in Serviceguard packages, 54
FS, 174
in sample package control script, 213
FS_MOUNT_OPT
in sample package control script, 213
G
general planning, 70
Generic Resources
monitoring package resources with, 45
monitoring script, 267
Generic resources
sample monitoring script, 269
generic resources monitoring service
using, 45
gethostbyname(), 244
H
HALT_SCRIPT
parameter in package configuration, 174
HALT_SCRIPT_TIMEOUT (halt script timeout)
parameter in package configuration, 174
halting a cluster, 191
halting a package, 196
halting the entire cluster, 191
handling application failures, 247
hardware
monitoring, 226
power supplies, 26
hardware failures
response to, 68
hardware planning
blank planning worksheet, 253
Disk I/O Bus Type, 73
disk I/O information for shared disks, 73
host IP address, 72, 75, 76
host name, 72
I/O bus addresses, 73
I/O slot numbers, 73
LAN interface name, 72, 75
LAN traffic type, 72
memory capacity, 72
number of I/O slots, 72
planning the configuration, 72
S800 series number, 72
SPU information, 72
subnet, 72, 75
worksheet, 74
heartbeat messages, 18
defined, 31
heartbeat subnet address
parameter in cluster configuration, 83
HEARTBEAT_IP
parameter in cluster configuration, 83
high availability, 17
HA cluster defined, 21
objectives in planning, 70
host IP address
hardware planning, 72, 75, 76
host name
hardware planning, 72
HOSTNAME_ADDRESS_FAMILY
defined, 80
discussion and restrictions, 77
how the cluster manager works, 30
how the network manager works, 54
I
I/O bus addresses
hardware planning, 73
I/O slots
hardware planning, 72, 73
identifying cluster-aware volume groups, 142
Installing Serviceguard, 121
installing software
quorum server, 130
integrating HA applications with Serviceguard, 250
introduction
Serviceguard at a glance, 17
understanding Serviceguard hardware, 21
275