Installation guide

Note
Whether you select the Use lo cally in st alled p ackag es or the Do wn lo ad
Packag es option, if any of the base cluster components are missing (cman,
rg manager, mo d cl uster and all their dependencies), they will be installed. If they
cannot be installed, the node creation will fail.
Check R eb o o t n o d es b ef o re jo in in g clu st er if desired.
Select En ab le sh ared st o rag e su p p o rt if clustered storage is required; this downloads
the packages that support clustered storage and enables clustered LVM. You should
select this only when you have access to the Resilient Storage Add-On or the Scalable
File System Add-On.
4. Click C reate C l uster. Clicking C reate C l uster causes the following actions:
a. If you have selected Do wn lo ad Packag es, the cluster software packages are
downloaded onto the nodes.
b. Cluster software is installed onto the nodes (or it is verified that the appropriate
software packages are installed).
c. The cluster configuration file is updated and propagated to each node in the cluster.
d. The added nodes join the cluster.
A message is displayed indicating that the cluster is being created. When the cluster is ready,
the display shows the status of the newly created cluster, as shown in Figure 3.4, “Cluster
node display” . Note that if ricci is not running on any of the nodes, the cluster creation will
fail.
Fig u re 3.4 . C lu st er n o d e d isp lay
5. After clicking C reate C l uster, you can add or delete nodes from the cluster by clicking the
Ad d or Delet e function from the menu at the top of the cluster node display page. Unless
you are deleting an entire cluster, nodes must be stopped before being deleted. For
Red Hat Ent erprise Linux 6 Clust er Administ rat ion
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