Adding A Member To A Running Cluster - Red Hat Cluster for Enterprise Linux 5 Configuration

1. At the detailed menu for the cluster (below the clusters menu), click Nodes. Clicking
Nodes causes the display of an Add a Node element and a Configure element with a list
of the nodes already configured in the cluster.
2. Click a link for a node at either the list in the center of the page or in the list in the detailed
menu under the clusters menu. Clicking a link for a node causes a page to be displayed
for that link showing how that node is configured.
3. At the bottom of the page, under Main Fencing Method, click Add a fence device to this
level.
4. Select a fence device and provide parameters for the fence device (for example port num-
ber).
Note
You can choose from an existing fence device or create a new fence device.
5. Click Update main fence properties and wait for the change to take effect.

6.2. Adding a Member to a Running Cluster

To add a member to a running cluster, follow the steps in this section. The starting point of the
procedure is at the cluster-specific page that you navigate to from Choose a cluster to admin-
ister displayed on the cluster tab.
1. At the detailed menu for the cluster (below the clusters menu), click Nodes. Clicking
Nodes causes the display of an Add a Node element and a Configure element with a list
of the nodes already configured in the cluster. (In addition, a list of the cluster nodes is dis-
played in the center of the page.)
2. Click Add a Node. Clicking Add a Node causes the display of the Add a node to
page.
name
3. At that page, enter the node name in the Node Hostname text box; enter the root pass-
word in the Root Password text box. Check the Enable Shared Storage Support check-
box if clustered storage is required. If you want to add more nodes, click Add another
entry and enter node name and password for the each additional node.
4. Click Submit. Clicking Submit causes the following actions:
a. Cluster software packages to be downloaded onto the added node.
b. Cluster software to be installed (or verification that the appropriate software packages
are installed) onto the added node.
c. Cluster configuration file to be updated and propagated to each node in the cluster —
including the added node.
6.2. Adding a Member to a Running Cluster
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cluster