Managing Serviceguard 11th Edition, Version A.11.16, Second Printing June 2004

442
protection through mirroring
, 24
disk group
planning
, 144
disk group and disk planning, 144
disk I/O
hardware planning
, 133
disk layout
planning
, 141
disk logical units
hardware planning
, 133
disk management, 108
disk monitor, 46
disk monitor (EMS), 82
disk storage
creating the infrastructure with CVM
, 230
disks
in MC/ServiceGuard
, 44
replacing, 325
supported types in MC/ServiceGuard, 44
disks, mirroring, 45
distributing the cluster and package
configuration, 272, 273
DNS services, 188
down time
minimizing planned
, 384
DTC
using with MC/ServiceGuard
, 176
dual attach FDDI stations, 41
dual cluster locks
choosing, 68
dynamic cluster re-formation, 64
E
eight-node active/standby cluster
figure
, 55
eight-node cluster with disk array
figure, 56
EMS
for disk monitoring
, 46
for preventive monitoring, 323
monitoring package resources with, 81
using the EMS HA monitors, 82
enclosure for disks
replacing a faulty mechanism
, 325
enclosures
high availability
, 46
Ethernet
redundant configuration
, 38
Event Monitoring Service
for disk monitoring
, 46
in troubleshooting, 323
event monitoring service
using
, 81
expanding the cluster
planning ahead
, 126
expansion
planning for
, 160
F
failback policy
package configuration file parameter
, 162
used by package manager, 78
FAILBACK_POLICY parameter
in package configuration file, 162
used by package manager, 78
failover
controlling the speed in applications
, 368
defined, 25
failover behavior
in packages, 83
failover package, 71
failover policy
package configuration parameter
, 161
used by package manager, 75
FAILOVER_POLICY parameter
in package configuration file, 161
used by package manager, 75
failure
kinds of responses
, 119
network communication, 121
response to hardware failures, 120
responses to package and service failures,
120
restarting a service after failure, 121
failures
of applications
, 382
figures
cluster with high availability disk array
,
49, 50
configuration with dual attach FDDI
stations
, 41
eight-node active/standby cluster, 55
eight-node cluster with EMC disk array, 56