Patent ID: 8719227

Claim:
A method for dynamically managing a persistent membership of a coordination group in a distributed environment, the coordination group including a number of sites included in the persistent membership, with one or more of the sites 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, the first site having participated in at least one quorum; 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 and inhibiting, by a distributed lock manager, updates to a first database while cotemporaneous to the inhibition of the updates the registrar of the first site initializes an entrant database for the entrant; and reconnecting, by the registrar of the first site, to the coordination group after initialization of the entrant database.