Red Hat ENTERPRISE LINUX 5 - ADMINISTRATION Manual page 67

Section 5.5.1, "Adding a Member to a
2. Click Send to Cluster to propagate the updated configuration to other running nodes in the
cluster.
3. Use the scp command to send the updated /etc/cluster/cluster.conf file 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 commands at each
node in this order:
a. service rgmanager stop
b. service gfs stop, if you are using Red Hat GFS
c. service clvmd stop, if CLVM has been used to create clustered volumes
d. service cman stop
6. Start cluster software on all cluster nodes (including the added one) by running the following
commands in this order:
a. service cman start
b. service clvmd start, if CLVM has been used to create clustered volumes
c. service gfs start, if you are using Red Hat GFS
d. service rgmanager start
7. Start the Red Hat Cluster Suite management GUI. At the Cluster Configuration Tool tab, verify
that the configuration is correct. At the Cluster Status Tool tab verify that the nodes and services
are running as expected.
5.5.2.2. Adding a Member to a Running Cluster That Contains More Than
Two Nodes
To add a member to an existing cluster that is currently in operation, and contains more than two
nodes, follow these steps:
1. Add the node and configure fencing for it as in
Section 5.5.1, "Adding a Member to a
2. Click Send to Cluster to propagate the updated configuration to other running nodes in the
cluster.
3. Use the scp command to send the updated /etc/cluster/cluster.conf file from one of the
existing cluster nodes to the new node.
4. Start cluster services on the new node by running the following commands in this order:
Adding a Member to a Running Cluster
Cluster".
Cluster".
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