Managing HP Serviceguard for Linux Ninth Edition, April 2009

IP
in sample package control script, 256
IP address
adding and deleting in packages, 73
for nodes and packages, 71
hardware planning, 95, 99
portable, 72
reviewing for packages, 278
switching, 52, 53, 83
IP_MONITOR
defined, 115
J
JFS, 291
K
kernel
hang, and TOC, 88
safety timer, 39
kernel consistency
in cluster configuration, 153
kernel interrupts
and possible TOC, 113
L
LAN
heartbeat, 43
interface name, 95, 99
LAN failure
Serviceguard behavior, 29
LAN interfaces
primary and secondary, 30
LAN planning
host IP address, 95, 99
traffic type, 95
link-level addresses, 295
load sharing with IP addresses, 73
local switching, 74
lock
cluster locks and power supplies, 36
use of the cluster lock, 46
use of the cluster lock disk, 45
lock volume group, reconfiguring, 245
logical volume parameter in package control script, 214
logical volumes
creating the infrastructure, 159
planning, 99
LV, 214
in sample package control script, 256
LVM
commands for cluster use, 159
disks, 34
planning, 99
M
MAC addresses, 295
managing the cluster and nodes, 231
manual cluster startup, 43
MAX_CONFIGURED_PACKAGES
parameter in cluster manager configuration, 118
maximum number of nodes, 29
MEMBER_TIMEOUT
and safety timer, 39
configuring, 112
defined, 111
maximum and minimum values , 112
membership change
reasons for, 44
memory capacity
hardware planning, 94
memory requirements
lockable memory for Serviceguard, 94
minimizing planned down time, 301
mirrored disks connected for high availability
figure, 36
monitor cluster with Serviceguard commands, 184
monitored non-heartbeat subnet
parameter in cluster configuration, 109
monitored resource failure
Serviceguard behavior, 29
monitoring disks, 220
monitoring hardware, 272
moving a package, 236
multi-node package, 49, 190
multiple systems
designing applications for, 294
N
name resolution services, 151
network
adding and deleting package IP addresses, 73
load sharing with IP addresses, 73
local interface switching, 74
redundancy, 31
remote system switching, 82
network communication failure, 91
network components
in Serviceguard, 30
network manager
adding and deleting package IP addresses, 73
main functions, 71
network planning
subnet, 95, 99
network polling interval (NETWORK_POLLING_INTERVAL)
parameter in cluster manager configuration, 114, 117
network time protocol (NTP)
for clusters, 153
networking
redundant subnets, 95
networks
334 Index