1. A method for dynamically managing persistent membership of a coordination group in a distributed environment, the coordination group including a number of sites included in a persistent membership, with one or more of the site including a database and a registrar, the method comprising: receiving, by a registrar of a first site that is a member of the persistent membership, a Membership Request from an entrant seeking to become a member of the persistent membership; modifying, by the registrar of the first site, the persistent membership for the entrant; responsive to the registrar receiving the Membership Request, disconnecting the registrar of the first site from the coordination group so that the registrar of the first site, while initializing a database for the entrant, does not apply updates to or from a database in other sites of the coordination group while the other sites are able to update at least one database in the coordination group; initializing the database for the entrant; and reconnecting, by the registrar of the first site, to the coordination group after initialization of the entrant database.