Use this page to define an ordered list of preferred core group servers. This list indicates where the high availability manager coordinators will run.
To view this administrative console page, click Servers > Core groups > Core group settings > New > or select an existing core group > Preferred coordinator servers.
Use Add and Remove to move servers into and out of the list of core group servers on which coordinator service will run. Use Move up and Move down to adjust the order within this list. Verify the most preferred server is at the top of the list and the least preferred server is at the bottom.
Click OK to make your changes effective. Click Save to save
and synchronize your changes with all managed nodes.