Filter
Top Products
HACMP Installation and Cluster Definition 101
• The network modules
You define the cluster topology by entering information about each
component into HACMP-specific ODM classes. You enter the HACMP ODM
data by using the HACMP SMIT interface or the VSM utility
xhacmpm. The
xhacmpm utility is an X Windows tool for creating cluster configurations using
icons to represent cluster components. For more information about the
xhacmpm utility, see the administrative facilities chapter of the
HACMP for AIX,
Version 4.3: Concepts and Facilities,
SC23-4276.
4.2.1 Defining the Cluster
The cluster ID and name identifies a cluster in an HACMP environment. The
cluster ID and name must be unique for each cluster defined.
Cluster IDs have to be a positive integer in the range from 1 through 99999,
and the cluster name is a text string of up to 31 alphanumeric characters,
including underscores. It doesn’t necessarily need to match the hostname.
The HACMP software uses this information to create the cluster entries for
the ODM.
4.2.2 Defining Nodes
After defining the cluster name and ID, cluster nodes have to be defined. As
above, this is usually done through
smit hacmp. Each of the cluster nodes
needs a unique name, so the cluster manager can address them.
Again, a node name is a text string of up to 31 alphanumeric characters that
can contain underscores.
You can add more than one node at a time by separating them with
whitespace characters.
The SP Switch network module can support multiple clusters; therefore, its
settings should remain at their default values to avoid affecting HACMP
event scripts. If you must change these settings, see the chapter on
changing the cluster topology in the
HACMP for AIX, Version 4.3:
Administration Guide,
SC23-4279
for more information.
Note