Red Hat CLUSTER SUITE - CONFIGURING AND MANAGING A CLUSTER 2006 Manual page 68

52 Chapter 3. Installing and Configuring Red Hat Cluster Suite Software
8. Choose File => Save to save the changes to the cluster configuration.
3.7.2. Adding a Member to a Running Cluster
The procedure for adding a member to a running cluster depends on whether the cluster
contains only two nodes or more than two nodes. To add a member to a running cluster,
follow the steps in one of the following sections according to the number of nodes in the
cluster:
For clusters with only two nodes —
•
Section 3.7.2.1 Adding a Member to a Running Cluster That Contains Only Two Nodes
For clusters with more than two nodes —
•
Section 3.7.2.2 Adding a Member to a Running Cluster That Contains More Than Two
Nodes
3.7.2.1. Adding a Member to a Running Cluster That Contains Only Two
Nodes
To add a member to an existing cluster that is currently in operation, and contains only two
nodes, follow these steps:
1. Add the node and configure fencing for it as in
Section 3.7.1 Adding a Member to a Cluster.
2. Click Send to Cluster to propagate the updated configuration to other running nodes
in the cluster.
3. Use the
scp
from one of the existing cluster nodes to the new node.
4. At the Red Hat Cluster Suite management GUI Cluster Status Tool tab, disable each
service listed under Services.
5. Stop the cluster software on the two running nodes by running the following com-
mands at each node in this order:
a.
service rgmanager stop
b.
service gfs stop
c.
service clvmd stop
d.
service fenced stop
e.
service cman stop
f.
service ccsd stop
command to send the updated
, if you are using Red Hat GFS
/etc/cluster/cluster.conf
file