Clusters provide a solution if your business demands operational
systems 24 hours a day, seven days a week.
By using clustering, you can greatly reduce
the number and duration of unplanned outages and the duration of planned outages,
thereby ensuring that your systems, data, and applications are continuously
available.
The major benefits that clusters can offer your business are:
- Continuous availability
- Clusters ensures that your systems, data and applications
remain continuously available.
- Simplified administration
You can manage a group of systems as a single system or
single database, without having to sign on to individual systems. You can
use a cluster administrative domain to more easily manage resources that are
shared within a cluster. 
- Increased scalability
- Seamlessly add new components as your business growth requires.