Managing HP Serviceguard for Linux, Tenth Edition, September 2012

explanations
package parameters, 205
F
failback policy
used by package manager, 52
FAILBACK_POLICY parameter
used by package manager, 52
failover
controlling the speed in applications, 308
defined, 21
failover behavior
in packages, 125
failover package, 44, 200
failover policy
used by package manager, 48
FAILOVER_POLICY parameter
used by package manager, 48
failure
kinds of responses, 86
network communication, 90
response to hardware failures, 88
responses to package and service failures, 89
restarting a service after failure, 90
failures
of applications, 317
FibreChannel, 30
figures
mirrored disks connected for high availability, 31
redundant LANs, 27
Serviceguard software components, 33
tasks in configuring an Serviceguard cluster, 23
typical cluster after failover, 21
typical cluster configuration, 20
file locking, 316
file system name parameter in package control script, 225
file systems
planning, 97
floating IP address
defined, 68
floating IP addresses
in Serviceguard packages, 69
FS, 225
in sample package control script, 275
FS_MOUNT_OPT
in sample package control script, 275
G
general planning, 91
Generic Resources
for disk monitoring, 30
monitoring disks, 170
monitoring package resources with, 55
monitoring script, 340
Generic resources
sample monitoring script, 343
generic resources monitoring service
using, 55
gethostbyname(), 313
H
HALT_SCRIPT
parameter in package configuration, 224
HALT_SCRIPT_TIMEOUT (halt script timeout)
parameter in package configuration, 225
halting a cluster, 246
halting a package, 253
halting the entire cluster, 246
handling application failures, 317
hardware
monitoring, 290
power supplies, 31
hardware failures
response to, 88
hardware planning
blank planning worksheet, 323
Disk I/O Bus Type, 94
disk I/O information for shared disks, 94
host IP address, 93, 97
host name, 92
I/O bus addresses, 94
I/O slot numbers, 94
LAN interface name, 93, 97
LAN traffic type, 93
memory capacity, 92
number of I/O slots, 92
planning the configuration, 92
S800 series number, 92
SPU information, 92
subnet, 93, 97
worksheet, 95
heartbeat messages, 20
defined, 38
heartbeat subnet address
parameter in cluster configuration, 109
HEARTBEAT_IP
parameter in cluster configuration, 109
high availability, 19
HA cluster defined, 24
objectives in planning, 91
host IP address
hardware planning, 93, 97
host name
hardware planning, 92
HOSTNAME_ADDRESS_FAMILY
defined, 104
discussion and restrictions, 100
how the cluster manager works, 37
how the network manager works, 68
I
I/O bus addresses
349