Managing HP Serviceguard A.11.20.20 for Linux, May 2013

integrating HA applications with Serviceguard, 277
introduction
Serviceguard at a glance, 19
understanding Serviceguard hardware, 25
understanding Serviceguard software, 33
IP
in sample package control script, 236
IP address
adding and deleting in packages, 63
for nodes and packages, 62
hardware planning, 82, 85
portable, 62
reviewing for packages, 254
switching, 45, 46, 70
IP_MONITOR
defined, 102
iSCSI, 29
J
JFS, 267
K
kernel
hang, and TOC, 75
safety timer, 34
kernel consistency
in cluster configuration, 140
kernel interrupts
and possible TOC, 99
L
LAN
heartbeat, 39
interface name, 82, 85
LAN failure
Serviceguard behavior, 25
LAN interfaces
primary and secondary, 25
LAN planning
host IP address, 82, 85
traffic type, 82
Launching Monitoring Scripts, 297
link-level addresses, 270
load sharing with IP addresses, 63
local switching, 63
lock
cluster locks and power supplies, 30
use of the cluster lock, 41
use of the cluster lock disk, 40
lock volume group, reconfiguring, 228
logical volume parameter in package control script, 191
logical volumes
creating the infrastructure, 145
planning, 85
LV, 191
in sample package control script, 236
LVM
commands for cluster use, 145
disks, 29
planning, 85
M
MAC addresses, 270
managing the cluster and nodes, 211
manual cluster startup, 39
MAX_CONFIGURED_PACKAGES
parameter in cluster manager configuration, 104
maximum number of nodes, 25
MEMBER_TIMEOUT
and safety timer, 34
configuring, 99
defined, 98
maximum and minimum values , 98
membership change
reasons for, 40
memory capacity
hardware planning, 81
memory requirements
lockable memory for Serviceguard, 79
minimizing planned down time, 274
mirrored disks connected for high availability
figure, 30
monitor cluster with Serviceguard commands, 164
monitored non-heartbeat subnet
parameter in cluster configuration, 97
monitored resource failure
Serviceguard behavior, 25
monitoring disks, 198
monitoring hardware, 250
Monitoring script
launching, 297
template, sample, 299
Monitoring Script for Generic Resources, 297
moving a package, 219
multi-node package, 44, 170
multiple systems
designing applications for, 269
N
name resolution services, 139
network
adding and deleting package IP addresses, 63
load sharing with IP addresses, 63
local interface switching, 63
OTS/9000 support, 295
redundancy, 26
remote system switching, 69
network communication failure, 78
network components
in Serviceguard, 25
network manager
adding and deleting package IP addresses, 63
main functions, 62
network planning
subnet, 82, 85
network polling interval (NETWORK_POLLING_INTERVAL)
parameter in cluster manager configuration, 100, 104
network time protocol (NTP)
308 Index