and cluster re-formation, 88 and safety timer, 41 configuring, 120 defined, 119

maximum and minimum values , 119 modifying, 192

membership change reasons for, 46

memory capacity hardware planning, 94

memory requirements

lockable memory for Serviceguard, 92 Migrating EMS Resources to Generic Resources, 396 minimizing planned down time, 352

mirror copies of data

protection against disk failure, 22 MirrorDisk/UX, 33

mirrored disks connected for high availability figure, 35

mirroring disks, 33

mirroring disks, 33 mkboot

creating a root mirror with, 172 modular package, 227

monitor cluster with Serviceguard commands, 222 monitored non-heartbeat subnet

parameter in cluster manager configuration, 116 monitored resource failure

Serviceguard behavior, 27

monitoring clusters with Serviceguard Manager, 222 monitoring hardware, 322

monitoring LAN interfaces in network manager, 69

Monitoring script launching, 390 template, sample, 392

Monitoring Script for Generic Resources, 390 moving a package, 286

multi-node package, 50 multipathing

and Veritas DMP, 33 automatically configured, 33 native, 33

sources of information, 33 multiple systems

designing applications for, 345

N

name resolution services, 169 native mutipathing

defined, 33 network

adding and deleting package IP addresses, 68 failure, 71

load sharing with IP addresses, 69 local interface switching, 70 local switching, 70

OTS/9000 support, 389

redundancy, 29

remote system switching, 73 network communication failure, 91 network components

in Serviceguard, 28 network failure detection

INONLY_OR_INOUT, 69 INOUT, 69

network manager

adding and deleting package IP addresses, 68 main functions, 67

monitoring LAN interfaces, 69 testing, 322

network planning subnet, 94, 99

network polling interval (NETWORK_POLLING_INTERVAL) parameter in cluster manager configuration, 121

network time protocol (NTP) for clusters, 171

NETWORK_AUTO_FAILBACK defined, 122

NETWORK_FAILURE_DETECTION defined, 122

networking redundant subnets, 94

networks

binding to IP addresses, 347 binding to port addresses, 347 IP addresses and naming, 345 node and package IP addresses, 67 packages using IP addresses, 346 supported types, 28

writing network applications as HA services, 342 no cluster locks

choosing, 49 node

basic concepts, 27 failure, TOC, 88 halt (TOC), 88

in Serviceguard cluster, 21 IP addresses, 67

timeout and TOC example, 88 node types

active, 22 primary, 22

NODE_FAIL_FAST_ENABLED effect of setting, 90

NODE_NAME

cluster configuration parameter, 113

parameter in cluster manager configuration, 109 nodetypes

primary, 22

NTP

time protocol for clusters, 171

O

olrad command

removing a LAN or VLAN interface, 300 online hardware maintenance

403

Page 403
Image 403
HP Serviceguard manual INONLYORINOUT, 69 Inout