In 2PC, suppose the coordinator C for transaction T crashes.Assume that all the other participants in this instance of 2PC arerunning and connected, and that they attempt to figure out if it issafe to commit or abort T. (a) Under what conditions is it safe forall of these participants to abort T? (b) Under what conditions isit safe for all of these participants to commit T ? (c) Whathappens if it neither safe to commit T nor to abort T?
Answer