Managing Serviceguard Fifteenth Edition, reprinted May 2008

540
disk
choosing for volume groups
, 216
data, 45
interfaces, 45
mirroring, 46
root, 45
sample configurations, 49, 52
disk enclosures
high availability
, 47
disk failure
protection through mirroring
, 27
disk group
planning
, 152
disk group and disk planning, 152
disk I/O
hardware planning, 139
disk layout
planning, 149
disk logical units
hardware planning, 139
disk management, 112
disk monitor, 47
disk monitor (EMS), 84
disk storage
creating the infrastructure with CFS
, 251
creating the infrastructure with CVM, 262
disk types supported by Serviceguard, 45
disks
in Serviceguard
, 45
replacing, 412
disks, mirroring, 46
Distributed Systems Administration
Utilities
, 33
distributing the cluster and package
configuration
, 320, 388
DNS services, 204
down time
minimizing planned
, 474
DSAU, 33, 388
dual cluster locks
choosing
, 71
dynamic cluster re-formation, 67
Dynamic Multipathing (DMP)
and HP-UX
, 47
E
eight-node active/standby cluster
figure
, 55
eight-node cluster with disk array
figure
, 56
EMS
for disk monitoring
, 47
for preventive monitoring, 410
monitoring package resources with, 84
using the EMS HA monitors, 84
enclosure for disks
replacing a faulty mechanism
, 412
enclosures
high availability
, 47
Ethernet
redundant configuration, 40
Event Monitoring Service
for disk monitoring, 47
in troubleshooting, 410
event monitoring service
using
, 84
exclusive access
relinquishing via TOC
, 127
expanding the cluster
planning ahead
, 132
expansion
planning for
, 174
F
failback policy
used by package manager
, 81
FAILBACK_POLICY parameter
used by package manager, 81
failover
controlling the speed in applications
, 458
defined, 27
failover behavior
in packages
, 175
failover package, 74
failover policy
used by package manager
, 78
FAILOVER_POLICY parameter
used by package manager
, 78
failure
kinds of responses
, 126
network communication, 130
package, service, node, 126
response to hardware failures, 128