A transaction commits as soon as its commit log record is written to stable storage at the primary site. This is

A transaction commits as soon as its commit log record is written to stable storage at the primary site. This is Correct Answer One Safe

The problem with this scheme is that the updates of a committed transaction may not have made it to the backup site, when the backup site takes over processing.

Related Questions

Consider a transaction T1 that committed prior to checkpoint. The record appears in the log before the record. Any modifications made by T1 must have been written to the stable storage either with the checkpoint or prior to it. Thus at recovery time ____________
Consider the following schedule S of transactions T1, T2, T3, T4: T1 T2 T3 T4   Reads(X)         Writes(X) Commit   Writes(X)  Commit         Writes(Y) Reads(Z) Commit           Reads(X) Reads(Y) Commit   Which one of the following statements is CORRECT?