Advantages of DB2 data sharing
DB2 data sharing improves the availability of DB2, enables scalable growth, and provides more flexible ways to configure your environment. You don't need to change SQL in your applications to use data sharing, although you might need to do some tuning for optimal performance.
Improves availability of data
More DB2 users demand access to DB2 data every hour of the day, every day of the year. DB2 data sharing helps you meet this service objective by improving availability during both planned and unplanned outages.
As Figure 12.1 illustrates, if one subsystem fails, users can access their DB2 data from another subsystem. Transaction managers are informed that DB2 is down and can switch new user work to another DB2 ...