Managing HP Serviceguard for Linux, Eighth Edition, March 2008

Index
387
designing applications to run on multiple
systems
, 343
disk
data
, 33
interfaces, 33
root, 33
sample configurations, 34
disk I/O
hardware planning
, 100
disk layout
planning
, 108
disk logical units
hardware planning
, 101
disk monitoring
configuring
, 239
disks
in Serviceguard
, 33
replacing, 303
supported types in Serviceguard, 33
distributing the cluster and package
configuration
, 236, 284
DNS services, 147
down time
minimizing planned
, 356
dynamic cluster re-formation, 45
E
enclosure for disks
replacing a faulty mechanism
, 303
Ethernet
redundant configuration
, 29
exclusive access
relinquishing via TOC
, 89
expanding the cluster
planning ahead
, 94
expansion
planning for
, 121
explanations
package parameters
, 209
F
failback policy
used by package manager
, 57
FAILBACK_POLICY parameter
used by package manager
, 57
failover
controlling the speed in applications, 338
defined, 20
failover behavior
in packages
, 122
failover package, 50, 201
failover policy
used by package manager
, 54
FAILOVER_POLICY parameter
used by package manager, 54
failure
kinds of responses, 88
network communication, 92
response to hardware failures, 90
responses to package and service failures,
91
restarting a service after failure, 91
failures
of applications
, 354
FibreChannel, 33
figures
mirrored disks connected for high
availability
, 34
redundant LANs, 29
Serviceguard software components, 38
tasks in configuring an Serviceguard
cluster
, 24
typical cluster after failover, 20
typical cluster configuration, 18
file locking, 351
file system name parameter in package
control script
, 228
file systems
planning
, 108
floating IP address
defined
, 74
floating IP addresses
in Serviceguard packages
, 75
FS, 228
in sample package control script, 280
FS_MOUNT_OPT
in sample package control script
, 280
G
general planning
, 94
gethostbyname
and package IP addresses
, 75
gethostbyname(), 346
H
HALT_SCRIPT
parameter in package configuration
, 228
HALT_SCRIPT_TIMEOUT (halt script
timeout)
parameter in package configuration
, 228