ORA-:ORACLE initialization or shutdown in progress

Database mounted.

ORA-: log  sequence#  cannot be archived

ORA-: limit exceeded for recovery files

ORA-: online log  thread : '/opt/oradata/db10/redo02.log'

SQL> show parameter db_recovery_file

NAME                     TYPE     VALUE

------------------------------------ ----------- ------------------------------

db_recovery_file_dest             string     /opt/oracle/flash_recovery_are

                         a

db_recovery_file_dest_size         big integer 30G

SQL> 

SQL> alter database clear unarchived logfile group ;

Database altered.

SQL> alter database open;

Database altered.