Managing HP Serviceguard A.12.00.00 for Linux, June 2014
hardware configuration, 79
high availability objectives, 77
overview, 77
package configuration, 103
power, 81
quorum server, 82
SPU information, 79
volume groups and physical volumes, 83
worksheets, 81
planning and documenting an HA cluster, 77
planning for cluster expansion, 77
planning worksheets
blanks, 299
point of failure
in networking, 26
POLLING_TARGET
defined, 102
ports
dual and single aggregated, 62
power planning
power sources, 81
worksheet, 82, 300
power supplies
blank planning worksheet, 299
power supply
and cluster lock, 30
UPS, 30
primary LAN interfaces
defined, 25
primary node, 20
Q
QS_ADDR
parameter in cluster manager configuration, 91
quorum
and cluster reformation, 74
quorum server
and safety timer, 32
installing, 153
parameters in cluster manager configuration, 91
planning, 82
R
re-formation
of cluster, 38
reconfiguring a package
while the cluster is running, 245
reconfiguring a package with the cluster offline, 246
reconfiguring a running cluster, 239
reconfiguring the entire cluster, 239
reconfiguring the lock volume group, 239
recovery time, 84
redundancy
in networking, 26
of cluster components, 25
redundancy in network interfaces, 25
redundant Ethernet configuration, 26
redundant LANS
figure, 27
redundant networks
for heartbeat, 20
relocatable IP address
defined, 60
relocatable IP addresses
in Serviceguard packages, 60
remote switching, 67
removing nodes from operation in a running cluster, 224
removing packages on a running cluster, 208
removing Serviceguard from a system, 256
replacing disks, 271
resources
disks, 29
responses
to cluster events, 255
to package and service failures, 75
responses to failures, 73
responses to hardware failures, 74
restart
automatic restart of cluster, 37
following failure, 76
restartable transactions, 285
restarting the cluster automatically, 225
restoring client connections in applications, 290
rotating standby
configuring with failover policies, 45
setting package policies, 45
running cluster
adding or removing packages, 208
S
S800 series number
hardware planning, 79
safety timer
and node TOC, 32
and syslog, 32
duration, 32
sample disk configurations, 30
Sample monitoring script for generic resources, 313
service administration, 229
service configuration
step by step, 179
service failures
responses, 75
service restarts, 76
SERVICE_FAIL_FAST_ENABLED
and node TOC, 75
Serviceguard
install, 143
introduction, 19
Serviceguard at a Glance, 19
Serviceguard behavior
in LAN failure, 25
in monitored resource failure, 25
in software failure, 25
Serviceguard Manager
overview, 22
Serviceguard software components
figure, 31
324 Index