ORA-00392

RMAN-00571: ===========================================================

RMAN-00569: =============== ERROR MESSAGE STACK FOLLOWS ===============

RMAN-00571: ===========================================================

RMAN-03002: failure of alter db command at 01/31/2012 11:30:04

ORA-00392: log 2 of thread 1 is being cleared, operation not allowed

ORA-00312: online log 2 thread 1: '/oradata2/database/onlinelog/redolog_22.log'

ORA-00312: online log 2 thread 1: '/oradata1/database/onlinelog/redolog_21.log' 

 

 

 

SQL> alter database clear logfile group 2;

Database altered.

 

SQL> alter database drop logfile group 2;