Managing Serviceguard Nineteenth Edition, Reprinted June 2011

memory requirements
lockable memory for Serviceguard, 88
minimizing planned down time, 338
mirror copies of data
protection against disk failure, 21
MirrorDisk/UX, 32
mirrored disks connected for high availability
figure, 34
mirroring
disks, 32
mirroring disks, 32
mkboot
creating a root mirror with, 163
modular package, 216
monitor cluster with Serviceguard commands, 211
monitored non-heartbeat subnet
parameter in cluster manager configuration, 111
monitored resource failure
Serviceguard behavior, 26
monitoring clusters with Serviceguard Manager, 211
monitoring hardware, 309
monitoring LAN interfaces
in network manager, 66
moving a package, 273
multi-node package, 48
multipathing
and Veritas DMP, 32
automatically configured, 32
native, 32
sources of information, 32
multiple systems
designing applications for, 331
N
name resolution services, 160
native mutipathing
defined, 32
network
adding and deleting package IP addresses, 65
failure, 67
load sharing with IP addresses, 65
local interface switching, 66
local switching, 67
OTS/9000 support, 375
redundancy, 28
remote system switching, 69
network communication failure, 87
network components
in Serviceguard, 27
network failure detection
INONLY_OR_INOUT, 66
INOUT, 66
network manager
adding and deleting package IP addresses, 65
main functions, 64
monitoring LAN interfaces, 66
testing, 309
network planning
subnet, 90, 95
network polling interval (NETWORK_POLLING_INTERVAL)
parameter in cluster manager configuration, 116
network time protocol (NTP)
for clusters, 162
NETWORK_AUTO_FAILBACK
defined, 117
NETWORK_FAILURE_DETECTION
defined, 117
networking
redundant subnets, 90
networks
binding to IP addresses, 333
binding to port addresses, 333
IP addresses and naming, 331
node and package IP addresses, 64
packages using IP addresses, 332
supported types, 27
writing network applications as HA services, 328
no cluster locks
choosing, 47
node
basic concepts, 26
failure, TOC, 85
halt (TOC), 85
in Serviceguard cluster, 20
IP addresses, 64
timeout and TOC example, 85
node types
active, 21
primary, 21
NODE_FAIL_FAST_ENABLED
effect of setting, 87
NODE_NAME
cluster configuration parameter, 108
parameter in cluster manager configuration, 105
nodetypes
primary, 21
NTP
time protocol for clusters, 162
O
olrad command
removing a LAN or VLAN interface, 287
online hardware maintenance
by means of in-line SCSI terminators, 313
OTS/9000 support, 375
outages
insulating users from, 328
P
package
adding and deleting package IP addresses, 65
base modules, 219
basic concepts, 26
changes while the cluster is running, 301
configuring legacy, 289
failure, 85
halting, 272
legacy, 289
381