一、描述
DB版本:12.1.0.2
system版本:7.0
二、处理过程
1、报错,数据库启动就实例就会异常终止
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 2018 USER (ospid: 15155): terminating the instance due to error 16014 Mon Jan 08 13:35:53 2018 System 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.trc Mon Jan 08 13:35:53 2018 Dumping diagnostic data in directory=[cdmp_20180108133553],requested by (instance=1,summary=[abnormal instance termination]. Mon Jan 08 13:35:53 2018 Instance terminated by USER,pid = 15155 Mon Jan 08 13:39:58 2018 Starting ORACLE instance (normal) (OS id: 16121) Mon Jan 08 13:39:58 2018 CLI notifier numLatches:3 maxDescs:519 Mon Jan 08 13:39:58 2018
2、处理过程
sql> startup mount; ORACLE instance started. Total System Global Area 1241513984 bytes Fixed Size 2923872 bytes Variable Size 452985504 bytes Database Buffers 771751936 bytes Redo Buffers 13852672 bytes Database 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 CURRENT sql> 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 archived 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' sql> sql> alter database clear unarchived logfile group 3 ; Database altered. sql> alter database open; Database altered.
3、说明我这里是一个ADG,主库这样操作会导致GAP,备库需要增量恢复。