Managing Serviceguard A.11.20, March 2013

MAX_CONFIGURED_PACKAGES
defined, 130
maximum number of nodes, 27
MEMBER_TIMEOUT
and cluster re-formation, 93
and safety timer, 41
configuring, 125
defined, 124
maximum and minimum values , 124
modifying, 197
membership change
reasons for, 46
memory capacity
hardware planning, 99
memory requirements
lockable memory for Serviceguard, 97
Migrating EMS Resources to Generic Resources, 402
minimizing planned down time, 358
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, 177
modular package, 232
monitor cluster with Serviceguard commands, 227
monitored non-heartbeat subnet
parameter in cluster manager configuration, 121
monitored resource failure
Serviceguard behavior, 27
monitoring clusters with Serviceguard Manager, 227
monitoring hardware, 328
monitoring LAN interfaces
in network manager, 70
Monitoring script
launching, 396
template, sample, 398
Monitoring Script for Generic Resources, 396
moving a package, 291
multi-node package, 51
multipathing
and Veritas DMP, 33
automatically configured, 33
native, 33
sources of information, 33
multiple systems
designing applications for, 351
N
name resolution services, 174
native mutipathing
defined, 33
network
adding and deleting package IP addresses, 69
failure, 72
load sharing with IP addresses, 70
local interface switching, 71
local switching, 71
OTS/9000 support, 395
redundancy, 29
remote system switching, 74
network communication failure, 96
network components
in Serviceguard, 28
network failure detection
INONLY_OR_INOUT, 70
INOUT, 70
network manager
adding and deleting package IP addresses, 69
main functions, 68
monitoring LAN interfaces, 70
testing, 328
network planning
subnet, 99, 104
network polling interval (NETWORK_POLLING_INTERVAL)
parameter in cluster manager configuration, 126
network time protocol (NTP)
for clusters, 175
NETWORK_AUTO_FAILBACK
defined, 128
NETWORK_FAILURE_DETECTION
defined, 128
networking
redundant subnets, 99
networks
binding to IP addresses, 353
binding to port addresses, 353
IP addresses and naming, 351
node and package IP addresses, 68
packages using IP addresses, 352
supported types, 28
writing network applications as HA services, 348
no cluster locks
choosing, 50
node
basic concepts, 27
failure, TOC, 93
halt (TOC), 93, 94
in Serviceguard cluster, 21
IP addresses, 68
timeout and TOC example, 94
node types
active, 22
primary, 22
NODE_FAIL_FAST_ENABLED
effect of setting, 95
NODE_NAME
cluster configuration parameter, 117
parameter in cluster manager configuration, 114
nodetypes
primary, 22
NTP
time protocol for clusters, 175
409