IBM Systems Group © 2004 IBM Corporation Nick Jones What could happen to your data? What can you do about it?
CPE 731 Advanced Computer Architecture Storage Dr. Gheith Abandah Adapted from the slides of Prof. David Patterson, University of California, Berkeley.
Faculty of Information Technology Department of Computer Science Computer Organization Chapter 7 External Memory Mohammad Sharaf.
COS 461 Fall 1997 Replication u previous lectures: replication for performance u today: replication for availability and fault tolerance –availability:
Where we are survey Things are generally going well The HW problems are: 1) challenging – maybe need more guidance 2) sometimes unclear – maybe need explanation.
