Create a Cluster Wizard: Choose Nodes

Use this page to choose nodes to include in the new cluster.

start of changeA cluster node is a system unit that participates in a PowerHA® SystemMirror cluster as a server. A node can be an IBM® Power Systems™ server, or a logical partition (LPAR) within a partitioned Power systems server. The node must be running a supported level of AIX® and meet the minimum requirements for internal memory, internal disk, and I/O slots.end of change

All the nodes to be included in the cluster must meet the following requirements:

Fields

Choose nodes
The Choose nodes table lists the host names of all available nodes that meet the prerequisites for inclusion in a cluster. The table does not include any host names of nodes that are already included in an existing cluster.

Select one or more host names in the table that you want to include as nodes in the new cluster. A cluster must be composed of two or more nodes that have the same level of the AIX operating system and the same edition of PowerHA SystemMirror. When you make the first selection, the wizard filters the listed nodes to ensure that you can select only nodes that are compatible with your first selection.

start of changeA minimum of two nodes are required for the new cluster. end of change

Choose nodes for site name 1
Choose nodes for site name 2
These tables list the host names of all available nodes on each site that meet the prerequisites for inclusion in a cluster. The table does not include any host names of nodes that are already included in an existing cluster.

start of changeSelect one or more host names in each table that you want to include as nodes from each site in the new cluster. You must select at least one node for each site.When you make the first selection, the wizard filters the listed nodes to ensure that you can select only nodes that are compatible with your first selection. end of change

Actions

View Shared Disks
Click View Shared Disks to view storage disks that are common to all the nodes that you selected in specific table. If you are configuring a stretched cluster with multiple sites, the list contains the storage disks that are common to all the nodes that you selected for both sites.
Note: start of changeA stretched cluster contains nodes from sites at the same geographical locations. Stretched clusters share at least one repository disk between sites.end of change

For more information about nodes, see the Cluster nodes topic in the AIX Information Center.

For more information about adding nodes to a cluster, see the Adding nodes to a cluster topic in the AIX Information Center.