Installation guide

node-01.example.com 1 Online, Local,
rgmanager
Service Name Owner (Last)
State
------- ---- ----- ------ ---
--
service:example_apache node-01.example.com
started
service:example_apache2 (none)
disabled
For information about using cl ustat, refer to Section 8.3, “ Managing High-Availability
Services .
In addition, you can use cman_too l status to verify node votes, node count, and quorum
count. For example:
[root@ example-01 ~]#cman_to o l status
Version: 6.2.0
Config Version: 19
Cluster Name: mycluster
Cluster Id: 3794
Cluster Member: Yes
Cluster Generation: 548
Membership state: Cluster-Member
Nodes: 3
Expected votes: 3
Total votes: 3
Node votes: 1
Quorum: 2
Active subsystems: 9
Flags:
Ports Bound: 0 11 177
Node name: node-01.example.com
Node ID: 3
Multicast addresses: 239.192.14.224
Node addresses: 10.15.90.58
11. At any node, you can use the cl usvcadm utility to migrate or relocate a running service to
the newly joined node. Also, you can enable any disabled services. For information about
using cl usvcad m, refer to Section 8.3, “ Managing High-Availability Services
8.2.3. Examples of T hree-Node and T wo-Node Configurat ions
Refer to the examples that follow for comparison between a three-node and a two-node configuration.
Examp le 8.1. T h ree- n o d e Clu st er Co n f ig u rat io n
<cluster name="mycluster" config_version="3">
<cman/>
<clusternodes>
<clusternode name="node-01.example.com" nodeid="1">
Chapt er 8 . Managing Red Hat High Availabilit y Add- O n Wit h Command Line T ools
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