Shulou(Shulou.com)06/01 Report--

I. Description

DB Version: 12.1.0.2

System Version: 7.0

II. Process

1, error, the database will start the instance will terminate abnormally

ORA-00312: online log 3 thread 1: '+DATADG/ORCLDG/ONLINELOG/group_3.403.962961193'ORA-00312: online log 3 thread 1: '+DATADG/ORCLDG/ONLINELOG/group_3.405.962961193'Mon Jan 08 13:35:53 2018USER (ospid: 15155): terminating the instance due to error 16014Mon Jan 08 13:35:53 2018System state dump requested by (instance=1, osid=15155), summary=[abnormal instance termination].System State dumped to trace file /u01/app/oracle/diag/rdbms/orcldg/orcldg/trace/orcldg_diag_15110_20180108133553.trcMon Jan 08 13:35:53 2018Dumping diagnostic data in directory=[cdmp_20180108133553], requested by (instance=1, osid=15155), summary=[abnormal instance termination].Mon Jan 08 13:35:53 2018Instance terminated by USER, pid = 15155Mon Jan 08 13:39:58 2018Starting ORACLE instance (normal) (OS id: 16121)Mon Jan 08 13:39:58 2018CLI notifier numLatches:3 maxDescs:519Mon Jan 08 13:39:58 2018

2. Process

SQL> startup mount;ORACLE instance started.Total System Global Area 1241513984 bytesFixed Size 2923872 bytesVariable Size 452985504 bytesDatabase Buffers 771751936 bytesRedo Buffers 13852672 bytesDatabase mounted.SQL> SQL> select group#,sequence#,archived,status from v$log; GROUP# SEQUENCE# ARC STATUS---------- ---------- --- ---------------- 1 356 NO INACTIVE 3 355 NO INACTIVE 2 357 NO CURRENTSQL> alter database clear logfile group 3 ; alter database clear logfile group 3*ERROR at line 1:ORA-00350: log 3 of instance orcldg (thread 1) needs to be archivedORA-00312: online log 3 thread 1:'+DATADG/ORCLDG/ONLINELOG/group_3.403.962961193'ORA-00312: online log 3 thread 1:'+DATADG/ORCLDG/ONLINELOG/group_3.405.962961193'SQL> SQL> alter database clear unarchived logfile group 3 ;Database altered.SQL> alter database open;Database altered.

3. Description

I am here an ADG, the main library such an operation will lead to GAP, backup library needs incremental recovery.

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