How to Switch the Logfile of All the Threads in RAC environment

A. Switch the logfile of current instance only.

SQL> alter system switch logfile;

System altered.

B. Archive the logfile of all the threads in RAC environment.

SQL> alter system archive log current;

System altered.

C. Switch the logfile of all the threads in RAC environment (Unpublished , Unofficially ).

SQL>alter system switch all logfile;

System altered.