Managing HP Serviceguard A.11.20.00 for Linux, June 2012

understanding Serviceguard software, 27
IP
in sample package control script, 213
IP address
adding and deleting in packages, 55
for nodes and packages, 54
hardware planning, 72, 75, 76
portable, 54
reviewing for packages, 230
switching, 37, 38, 62
IP_MONITOR
defined, 90
J
JFS, 241
K
kernel
hang, and TOC, 67
safety timer, 28
kernel consistency
in cluster configuration, 126
kernel interrupts
and possible TOC, 87
L
LAN
heartbeat, 31
interface name, 72, 75
LAN failure
Serviceguard behavior, 21
LAN interfaces
primary and secondary, 21
LAN planning
host IP address, 72, 75, 76
traffic type, 72
Launching Monitoring Scripts, 267
link-level addresses, 244
load sharing with IP addresses, 55
local switching, 55
lock
cluster locks and power supplies, 26
use of the cluster lock, 33
use of the cluster lock disk, 33
lock volume group, reconfiguring, 205
logical volume parameter in package control script, 174
logical volumes
creating the infrastructure, 130
planning, 76
LV, 174
in sample package control script, 213
LVM
commands for cluster use, 130
disks, 25
planning, 76
M
MAC addresses, 244
managing the cluster and nodes, 189
manual cluster startup, 31
MAX_CONFIGURED_PACKAGES
parameter in cluster manager configuration, 92
maximum number of nodes, 21
MEMBER_TIMEOUT
and safety timer, 28
configuring, 87
defined, 86
maximum and minimum values , 86
membership change
reasons for, 32
memory capacity
hardware planning, 72
memory requirements
lockable memory for Serviceguard, 70
minimizing planned down time, 248
mirrored disks connected for high availability
figure, 26
monitor cluster with Serviceguard commands, 149
monitored non-heartbeat subnet
parameter in cluster configuration, 85
monitored resource failure
Serviceguard behavior, 21
monitoring disks, 179
monitoring hardware, 226
Monitoring script
launching, 267
template, sample, 269
Monitoring Script for Generic Resources, 267
moving a package, 197
multi-node package, 35, 154
multiple systems
designing applications for, 243
N
name resolution services, 125
network
adding and deleting package IP addresses, 55
load sharing with IP addresses, 55
local interface switching, 55
OTS/9000 support, 266
redundancy, 22
remote system switching, 61
network communication failure, 69
network components
in Serviceguard, 21
network manager
adding and deleting package IP addresses, 55
main functions, 54
network planning
subnet, 72, 75
network polling interval (NETWORK_POLLING_INTERVAL)
parameter in cluster manager configuration, 88, 92
network time protocol (NTP)
for clusters, 126
networking
redundant subnets, 72
networks
binding to IP addresses, 245
276 Index