Managing HP Serviceguard A.11.20.20 for Linux, March 2014

expansion
planning for, 107
explanations
package parameters, 174
F
failback policy
used by package manager, 50
FAILBACK_POLICY parameter
used by package manager, 50
failover
controlling the speed in applications, 270
defined, 20
failover behavior
in packages, 107
failover package, 43, 170
failover policy
used by package manager, 47
FAILOVER_POLICY parameter
used by package manager, 47
failure
kinds of responses, 75
network communication, 78
response to hardware failures, 76
responses to package and service failures, 77
restarting a service after failure, 78
failures
of applications, 277
FibreChannel, 29
figures
mirrored disks connected for high availability, 30
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, 276
file system name parameter in package control script, 191
file systems
planning, 85
floating IP address
defined, 62
floating IP addresses
in Serviceguard packages, 62
FS, 191
in sample package control script, 236
FS_MOUNT_OPT
in sample package control script, 236
G
general planning, 79
Generic Resources
monitoring package resources with, 53
monitoring script, 301
Generic resources
sample monitoring script, 303
generic resources monitoring service
using, 53
gethostbyname(), 274
H
HALT_SCRIPT
parameter in package configuration, 191
HALT_SCRIPT_TIMEOUT (halt script timeout)
parameter in package configuration, 191
halting a cluster, 213
halting a package, 218
halting the entire cluster, 213
handling application failures, 277
hardware
monitoring, 254
power supplies, 30
hardware failures
response to, 76
hardware planning
blank planning worksheet, 285
Disk I/O Bus Type, 83
disk I/O information for shared disks, 83
host IP address, 82, 85
host name, 81
I/O bus addresses, 83
I/O slot numbers, 83
LAN interface name, 82, 85
LAN traffic type, 82
memory capacity, 81
number of I/O slots, 81
planning the configuration, 81
S800 series number, 81
SPU information, 81
subnet, 82, 85
worksheet, 83
heartbeat messages, 20
defined, 39
heartbeat subnet address
parameter in cluster configuration, 95
HEARTBEAT_IP
parameter in cluster configuration, 95
high availability, 19
HA cluster defined, 25
objectives in planning, 79
host IP address
hardware planning, 82, 85
host name
hardware planning, 81
HOSTNAME_ADDRESS_FAMILY
defined, 91
discussion and restrictions, 88
how the cluster manager works, 38
how the network manager works, 62
I
I/O bus addresses
hardware planning, 83
I/O slots
hardware planning, 81, 83
identifying cluster-aware volume groups, 157
Installing Serviceguard, 135
installing software
quorum server, 145
311