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Asynchronous Backup and Initialization of a Database Server for Replicated Database Systems


  • Bhalla, Subhash
  • Madnick, Stuart E.


A possibility of a temporary disconnection of database service exists in many computing environments. It is a common need to permit a participating site to lag behind and re-initialize to full recovery. It is also necessary that active transactions view a globally consistent system state for ongoing operations. We present an algorithm for on-the-fly backup and site-initialization. The technique is non-blocking in the sense that failure and recovery procedures do not interfere with ordinary transactions. As a result the system can tolerate disconnection of services and reconnection of disconnected services, without incurring high overheads

Suggested Citation

  • Bhalla, Subhash & Madnick, Stuart E., 2003. "Asynchronous Backup and Initialization of a Database Server for Replicated Database Systems," Working papers 4416-03, Massachusetts Institute of Technology (MIT), Sloan School of Management.
  • Handle: RePEc:mit:sloanp:1849

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