DYNAMICALLY ASSIGNING, BY FUNCTIONAL DOMAIN, SEPARATE PAIRS OF SERVERS TO PRIMARY AND BACKUP SERVICE PROCESSOR MODES WITHIN A GROUPING OF SERVERS

摘要

Multiple functional domains are identified for controlling a grouping of servers. A controller assigns, to each functional domain of the multiple functional domains, a separate primary server from among the grouping of servers and a separate backup server from among the grouping of servers, wherein for each functional domain the separate primary server is different from the separate backup server based on a separate affinity selection for each functional domain. Responsive to detecting a failure in a particular primary server of the grouping of servers, the controller automatically switches control of a particular functional domain assigned to the particular primary server from the particular primary server to a particular backup server assigned to the particular functional domain.