The redo log manager is the component that manages all the resources required for actions during a restart or recovery.

• The redo log manager starts the log reader and several redo tasks.
• The redo log manager can cancel any of the tasks it starts.
  At the end of an action, the redo log manager collects all error messages, and may then terminate the restart or recovery, if required.
• The redo log manager generates the redo list