The managed system name (MSN) is used to uniquely identify each agent within your environment. It is not a common practice to change the host name in MSN. But you might need to modify the host names when resources names and property values do not display correctly.
For WebSphere® Application Servers resources, the property value does not match the resource name. Related resources names do not display correctly either.
On the Cloud Resources tab, click View Resources for WebSphere Application Servers to open the resources list:
Some resources cannot be found from the resources list of WebSphere Application Servers.
Click a resource name from the list to open the Resources dashboard, the following issues might occur:
- In the Properties widget, some values do not display correctly. For example, the name does not match the resource name, the serverOriginNodeName is truncated.
- In the Related Resources widget, invalid or irrelevant resource names are displayed.
- In the Properties widget and Related Resources widget, the displayed values are not related with the resource name that you click from the list.
The serverOriginNodeName in the Properties widget is the MSN value, for example, serveralias:hostname:KYNS.
- serveralias is the alias that you assign to the application server during data collector configuration.
- hostname is the name of the host where the agent is running.
- KYNS is the fixed string that identifies the WebSphere Applications agent.
MSN has a maximum length limit of 32 characters. KYNS is fixed and cannot be changed. The maximum length of hostname is 19 characters. The maximum length of serveralias equals 26 minus the length of hostname. If the length of hostname or serveralias exceeds, the specified string is truncated. Any truncation of the MSN attributes causes the incorrect display of resources names and property values.
Modify the host name to make sure that the MSN length does not exceed 32 characters. For details about how to change the host name, see: https://www.ibm.com/developerworks/community/forums/html/topic?id=4944fc40-b7e2-45d3-8981-87b0eedd9c15&ps=25
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