Managing HP Serviceguard A.12.00.00 for Linux, June 2014

cmpreparestg, 84
cmquerycl, 84
enabling or Disabling switching attributes for a package,
261
enclosure for disks
replacing a faulty mechanism, 271
error handling during package halt, 230
Ethernet
redundant configuration, 26
exclusive access
relinquishing via TOC, 74
expanding the cluster
planning ahead, 77
expansion
planning for, 106
explanations
package parameters, 184
F
failback policy
used by package manager, 48
FAILBACK_POLICY parameter
used by package manager, 48
failover
controlling the speed in applications, 284
defined, 20
failover behavior
in packages, 106
failover package, 41, 179
failover policy
used by package manager, 45
FAILOVER_POLICY parameter
used by package manager, 45
failure
kinds of responses, 73
network communication, 76
response to hardware failures, 74
responses to package and service failures, 75
restarting a service after failure, 76
failures
of applications, 291
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, 290
file systems
creating for a cluster, 163
planning, 83
floating IP address
defined, 60
floating IP addresses
in Serviceguard packages, 60
G
general planning, 77
Generic Resources
monitoring package resources with, 51
monitoring script, 311
Generic resources
sample monitoring script, 313
generic resources monitoring service
using, 51
gethostbyname(), 288
H
halting a cluster, 225
halting a package, 230
halting the entire cluster, 225
handling application failures, 291
hardware
monitoring, 270
power supplies, 30
hardware failures
response to, 74
hardware planning
blank planning worksheet, 299
Disk I/O Bus Type, 80
disk I/O information for shared disks, 80
host IP address, 80, 83
host name, 79
I/O bus addresses, 80, 81
I/O slot numbers, 80
LAN interface name, 80, 83
LAN traffic type, 80
memory capacity, 79
number of I/O slots, 79
planning the configuration, 79
S800 series number, 79
SPU information, 79
subnet, 80, 83
worksheet, 81
heartbeat messages, 20
defined, 37
heartbeat subnet address
parameter in cluster configuration, 94
HEARTBEAT_IP
parameter in cluster configuration, 94
high availability, 19
HA cluster defined, 25
objectives in planning, 77
host IP address
hardware planning, 80, 83
host name
hardware planning, 79
HOSTNAME_ADDRESS_FAMILY
defined, 90
discussion and restrictions, 86
how the cluster manager works, 36
how the network manager works, 59
I
I/O bus addresses
321