Managing Serviceguard Sixteenth Edition, March 2009

planning, 133
setting up volume groups on another node, 210
LVM configuration
worksheet, 134, 136
M
MAC addresses, 394
managing the cluster and nodes, 312
manual cluster startup, 61
MAX_CONFIGURED_PACKAGES
defined, 157
maximum number of nodes, 37
MEMBER_TIMEOUT
and cluster re-formation, 118
and safety timer, 55
configuring, 152
defined, 151
maximum and minimum values , 152
modifying, 223
membership change
reasons for, 62
memory capacity
hardware planning, 126
memory requirements
lockable memory for Serviceguard, 124
minimizing planned down time, 400
mirror copies of data
protection against disk failure, 30
MirrorDisk/UX, 44
mirrored disks connected for high availability
figure, 47
mirroring
disks, 44
mirroring disks, 45
mkboot
creating a root mirror with, 201
modular package, 253
monitor cluster with Serviceguard commands, 246
monitored non-heartbeat subnet
parameter in cluster manager configuration, 148
monitored resource failure
Serviceguard behavior, 37
monitoring clusters with Serviceguard Manager, 246
monitoring hardware, 363
monitoring LAN interfaces
in network manager, 93
moving a package, 318
multi-node package, 68
multi-node package configuration, 294
multi-node packages
configuring, 294
multipathing
and Veritas DMP, 45
automatically configured, 45
native, 45
sources of information, 45
multiple systems
designing applications for, 392
N
name resolution services, 198
native mutipathing
defined, 45
network
adding and deleting package IP addresses, 92
failure, 95
load sharing with IP addresses, 93
local interface switching, 94
local switching, 95
OTS/9000 support, 449
redundancy, 40
remote system switching, 98
network communication failure, 121
network components
in Serviceguard, 38
network failure detection
INONLY_OR_INOUT, 94
INOUT, 93
network manager
adding and deleting package IP addresses, 92
main functions, 90
monitoring LAN interfaces, 93
testing, 362
network planning
subnet, 126, 133
network polling interval (NETWORK_POLLING_INTERVAL)
parameter in cluster manager configuration, 154
network time protocol (NTP)
for clusters, 199
NETWORK_AUTO_FAILBACK
defined, 155
NETWORK_FAILURE_DETECTION
defined, 155
networking
redundant subnets, 126
networks
binding to IP addresses, 395
binding to port addresses, 395
IP addresses and naming, 393
node and package IP addresses, 91
packages using IP addresses, 394
supported types, 38
writing network applications as HA services, 389
no cluster locks
choosing, 66
node
basic concepts, 37
failure, TOC, 118
halt (TOC), 118
in Serviceguard cluster, 30
IP addresses, 91
timeout and TOC example, 118
node types
active, 31
456 Index