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|Oracle Solaris Cluster Data Services Developer's Guide Oracle Solaris Cluster 4.0|
Install and register a new version of an existing resource type
Allow the registration of multiple versions of a given resource type
Upgrade an existing resource to a new version of the resource type without having to delete and re-create the resource
A resource type that you intend to upgrade is called an upgrade-aware resource type.
Elements of an existing resource type that you might change are as follows:
Attributes of resource type properties
The set of declared resource properties, including standard and extension properties
The set of declared methods
The implementation of methods or monitors
Note - You do not necessarily have to modify a resource type when you modify application code.
You need to understand the requirements for providing the tools that will enable a cluster administrator to upgrade a resource type. This chapter tells you what you need to know to set up these tools.