SQL> select * from v$log;
GROUP# THREAD# SEQUENCE# BYTES MEMBERS ARCHIV
---------- ---------- ---------- ---------- ---------- ------
STATUS FIRST_CHANGE# FIRST_TIME
-------------------------------- ------------- ------------
1 1 32 5242880 1 NO
CURRENT 646392 06-JUN-09
2 1 30 5242880 1 YES
ACTIVE 646374 06-JUN-09
3 1 31 5242880 1 YES
ACTIVE 646385 06-JUN-09
SQL> alter system archive log stop;
System altered.
SQL> alter system switch logfile;
System altered.
SQL> select * from v$log;
GROUP# THREAD# SEQUENCE# BYTES MEMBERS ARCHIV
---------- ---------- ---------- ---------- ---------- ------
STATUS FIRST_CHANGE# FIRST_TIME
-------------------------------- ------------- ------------
1 1 32 5242880 1 YES
ACTIVE 646392 06-JUN-09
2 1 33 5242880 1 NO
CURRENT 647177 06-JUN-09
3 1 31 5242880 1 YES
INACTIVE 646385 06-JUN-09
SQL> alter system switch logfile;
System altered.
SQL> select * from v$log;
GROUP# THREAD# SEQUENCE# BYTES MEMBERS ARCHIV
---------- ---------- ---------- ---------- ---------- ------
STATUS FIRST_CHANGE# FIRST_TIME
-------------------------------- ------------- ------------
1 1 32 5242880 1 YES
ACTIVE 646392 06-JUN-09
2 1 33 5242880 1 YES
ACTIVE 647177 06-JUN-09
3 1 34 5242880 1 NO
CURRENT 647181 06-JUN-09
SQL> alter system switch logfile;
System altered.
SQL> select * from v$log;
GROUP# THREAD# SEQUENCE# BYTES MEMBERS ARCHIV
---------- ---------- ---------- ---------- ---------- ------
STATUS FIRST_CHANGE# FIRST_TIME
-------------------------------- ------------- ------------
1 1 35 5242880 1 NO
CURRENT 647187 06-JUN-09
2 1 33 5242880 1 YES
INACTIVE 647177 06-JUN-09
3 1 34 5242880 1 YES
INACTIVE 647181 06-JUN-09
SQL> alter system archive log start;
System altered.
SQL>