HP Serviceguard A.11.20- Managing Serviceguard Twentieth Edition, August 2011

and cluster re-formation, 88
and safety timer, 41
configuring, 120
defined, 119
maximum and minimum values , 119
modifying, 192
membership change
reasons for, 46
memory capacity
hardware planning, 94
memory requirements
lockable memory for Serviceguard, 92
Migrating EMS Resources to Generic Resources, 396
minimizing planned down time, 352
mirror copies of data
protection against disk failure, 22
MirrorDisk/UX, 33
mirrored disks connected for high availability
figure, 35
mirroring
disks, 33
mirroring disks, 33
mkboot
creating a root mirror with, 172
modular package, 227
monitor cluster with Serviceguard commands, 222
monitored non-heartbeat subnet
parameter in cluster manager configuration, 116
monitored resource failure
Serviceguard behavior, 27
monitoring clusters with Serviceguard Manager, 222
monitoring hardware, 322
monitoring LAN interfaces
in network manager, 69
Monitoring script
launching, 390
template, sample, 392
Monitoring Script for Generic Resources, 390
moving a package, 286
multi-node package, 50
multipathing
and Veritas DMP, 33
automatically configured, 33
native, 33
sources of information, 33
multiple systems
designing applications for, 345
N
name resolution services, 169
native mutipathing
defined, 33
network
adding and deleting package IP addresses, 68
failure, 71
load sharing with IP addresses, 69
local interface switching, 70
local switching, 70
OTS/9000 support, 389
redundancy, 29
remote system switching, 73
network communication failure, 91
network components
in Serviceguard, 28
network failure detection
INONLY_OR_INOUT, 69
INOUT, 69
network manager
adding and deleting package IP addresses, 68
main functions, 67
monitoring LAN interfaces, 69
testing, 322
network planning
subnet, 94, 99
network polling interval (NETWORK_POLLING_INTERVAL)
parameter in cluster manager configuration, 121
network time protocol (NTP)
for clusters, 171
NETWORK_AUTO_FAILBACK
defined, 122
NETWORK_FAILURE_DETECTION
defined, 122
networking
redundant subnets, 94
networks
binding to IP addresses, 347
binding to port addresses, 347
IP addresses and naming, 345
node and package IP addresses, 67
packages using IP addresses, 346
supported types, 28
writing network applications as HA services, 342
no cluster locks
choosing, 49
node
basic concepts, 27
failure, TOC, 88
halt (TOC), 88
in Serviceguard cluster, 21
IP addresses, 67
timeout and TOC example, 88
node types
active, 22
primary, 22
NODE_FAIL_FAST_ENABLED
effect of setting, 90
NODE_NAME
cluster configuration parameter, 113
parameter in cluster manager configuration, 109
nodetypes
primary, 22
NTP
time protocol for clusters, 171
O
olrad command
removing a LAN or VLAN interface, 300
online hardware maintenance
403