user manual

60 BES Developer’s Guide
IIS to Borland web container connectivity
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the web container identification.
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whether to provide automatic load balancing (enable_loadbalancing) for a
particular cluster.
To add a new cluster, in the WebClusters.properties file:
1 add the name of the configured cluster to the ClusterList. For example:
ClusterList=cluster1,cluster2,cluster3
2 define each cluster by adding a line in the following format specifying the
cluster name, the required webcontainer_id attribute, and any additional
attributes (see the following table, “Cluster definition attributes” on
page 60). For example:
<clustername>.webcontainer_id = <id> <attribute>
Note Failover and smart session are always enabled, for more information go to
Chapter 7, “Clustering web components”.
For example:
ClusterList=cluster1,cluster2,cluster3
cluster1.webcontainer_id = tc_inst1
cluster2.webcontainer_id =
corbaloc::127.20.20.2:20202,:127.20.20.3:20202/tc_inst2
cluster2.enable_loadbalancing = true
cluster3.webcontainer_id = tc_inst3
cluster3.enable_loadbalancing = false
In the above example, the following three clusters are defined:
1 The first, uses the osagent naming scheme and is enabled for load
balancing.
2 The second cluster employs the corbaloc naming scheme, and is also
enabled for load balancing.
Table 5.7 Cluster definition attributes
Attribute Required Definition
webcontainer_id yes the object "bind" name or corbaloc string
identifying the web container(s) implementing
the cluster.
enable_loadbalancing =
true|false
no To enable load balancing, do not include this
attribute or include and set to true; load
balancing is enabled by default. To disable
load balancing, set to false indicating that this
cluster instance should not employ load-
balancing techniques. Warning: Ensure that
when entering the enable_loadbalancing
attribute you give it a legal value (true or
false).