Installation guide

Section 5.5.1, “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 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 Clu st er St at u s T o o l 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 Clu st er Co n f ig u rat io n T o o l tab,

verify that the configuration is correct. At the Clu st er St at u s T o o l tab verify that the nodes

and services are running as expected.

5.5 .2 .2 . Adding a Me m be r t o a Running Clust er T hat Co nt ains More Than T wo No de s

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