login: Fri Jan 25 00:37:47 2019 oracle[root@oracle ~]# su - oracle[oracle@oracle ~]$ sqlplus / sysdba;*Plus: Release 12.1.0.2.0 Production Fri Jan 25 00:47:07 2019Copyright (c) 1982, 2014, Oracle. rights reserved.Connected :Oracle 12c Enterprise Edition Release 12.1.0.2.0 - 64 Production the Partitioning, OLAP, Advanced Analytics Application Testing options> v$diag_info;--------------------------------------------------------------------------------/u01/app/oracle/u01/app/oracle/diag/rdbms/orcl/orcl/u01/app/oracle/diag/rdbms/orcl/orcl/trace/u01/app/oracle/diag/rdbms/orcl/orcl/alert/u01/app/oracle/diag/rdbms/orcl/orcl/incident/u01/app/oracle/diag/rdbms/orcl/orcl/cdump/u01/app/oracle/diag/rdbms/orcl/orcl/hm/u01/app/oracle/diag/rdbms/orcl/orcl/trace/orcl_ora_17796.trc2211 selected.> Disconnected Oracle 12c Enterprise Edition Release 12.1.0.2.0 - 64 Production the Partitioning, OLAP, Advanced Analytics Application Testing options[oracle@oracle ~]$ cd /u01/app/oracle/diag/rdbms/orcl/orcl/trace/[oracle@oracle trace]$ tail -20f alert_orcl.log SYS.WRP$_REPORTS_TIME_BANDS: ADDED PARTITION SYS_P820 (3311) LESS THAN (TO_DATE(' 2019-01-25 01:00:00', 'SYYYY-MM-DD HH24:MI:SS', 'NLS_CALENDAR=GREGORIAN'))Fri Jan 25 00:11:25 2019 logfile 4 ('/u01/app/oracle/oradata/orcl/redo04_1.log','/u01/app/oracle/oradata/orcl/redo04_2.log') 50mCompleted: logfile 4 ('/u01/app/oracle/oradata/orcl/redo04_1.log','/u01/app/oracle/oradata/orcl/redo04_2.log') 50mFri Jan 25 00:22:53 2019Thread 1 advanced log sequence 136 (LGWR switch) log# 4 seq# 136 mem# 0: /u01/app/oracle/oradata/orcl/redo04_1.log log# 4 seq# 136 mem# 1: /u01/app/oracle/oradata/orcl/redo04_2.logFri Jan 25 00:23:19 2019Thread 1 advanced log sequence 137 (LGWR switch) log# 1 seq# 137 mem# 0: /u01/app/oracle/oradata/orcl/redo01.log logfile member '/u01/app/oracle/oradata/orcl/redo02_1.log' 2Completed: logfile member '/u01/app/oracle/oradata/orcl/redo02_1.log' 2Fri Jan 25 00:33:07 2019 logfile member '/u01/app/oracle/oradata/orcl/redo01_1.log' 1Completed: logfile member '/u01/app/oracle/oradata/orcl/redo01_1.log' 1Fri Jan 25 00:44:23 2019Thread 1 advanced log sequence 138 (LGWR switch) log# 2 seq# 138 mem# 0: /u01/app/oracle/oradata/orcl/redo02.log log# 2 seq# 138 mem# 1: /u01/app/oracle/oradata/orcl/redo02_1.log