Managing HP Serviceguard for Linux Ninth Edition, April 2009

package parameters, 196
F
failback policy
used by package manager, 57
FAILBACK_POLICY parameter
used by package manager, 57
failover
controlling the speed in applications, 291
defined, 25
failover behavior
in packages, 120
failover package, 49, 190
failover policy
used by package manager, 53
FAILOVER_POLICY parameter
used by package manager, 53
failure
kinds of responses, 88
network communication, 91
response to hardware failures, 89
responses to package and service failures, 90
restarting a service after failure, 91
failures
of applications, 300
FibreChannel, 35
figures
mirrored disks connected for high availability, 36
redundant LANs, 32
Serviceguard software components, 38
tasks in configuring an Serviceguard cluster, 28
typical cluster after failover, 25
typical cluster configuration, 24
file locking, 299
file system name parameter in package control script, 214
file systems
planning, 99
floating IP address
defined, 71
floating IP addresses
in Serviceguard packages, 72
FS, 214
in sample package control script, 256
FS_MOUNT_OPT
in sample package control script, 256
G
general planning, 93
gethostbyname(), 296
H
HALT_SCRIPT
parameter in package configuration, 213
HALT_SCRIPT_TIMEOUT (halt script timeout)
parameter in package configuration, 214
halting a cluster, 234
halting a package, 235
halting the entire cluster, 234
handling application failures, 300
hardware
monitoring, 272
power supplies, 36
hardware failures
response to, 89
hardware planning
blank planning worksheet, 309
Disk I/O Bus Type, 96
disk I/O information for shared disks, 96
host IP address, 95, 99
host name, 94
I/O bus addresses, 96
I/O slot numbers, 96
LAN interface name, 95, 99
LAN traffic type, 95
memory capacity, 94
number of I/O slots, 94
planning the configuration, 94
S800 series number, 94
SPU information, 94
subnet, 95, 99
worksheet, 97
heartbeat messages, 24
defined, 43
heartbeat subnet address
parameter in cluster configuration, 106
HEARTBEAT_IP
parameter in cluster configuration, 106
high availability, 23
HA cluster defined, 29
objectives in planning, 93
host IP address
hardware planning, 95, 99
host name
hardware planning, 94
HOSTNAME_ADDRESS_FAMILY
defined, 102
how the cluster manager works, 42
how the network manager works, 71
I
I/O bus addresses
hardware planning, 96
I/O slots
hardware planning, 94, 96
identifying cluster-aware volume groups, 175
Installing Serviceguard, 147
installing software
quorum server, 159
integrating HA applications with Serviceguard, 305
introduction
Serviceguard at a glance, 23
understanding Serviceguard hardware, 29
understanding Serviceguard software, 37
333