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

Unpublished and Unofficially switch the logfile of all the threads by one command

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C. Switch the logfile of all the threads in RAC environment (Unpublished , Unofficially ).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