描述：

Oracle 11g 刪除備庫所有standby redo log ，查看日誌報錯，處理方法如下。

報錯信息如下：

Additional information: 3

Errors in file /fantlam/oracle/app/oracle/diag/rdbms/mmptdg/mmptdg/trace/mmptdg_rfs_4012.trc:

ORA-00313: open failed for members of log group 4 of thread 1

ORA-00312: online log 4 thread 1: '/fantlam/oracle/app/oracle/oradata/mmptdg/stdby_redo01.log'

ORA-27037: unable to obtain file status

Linux-x86_64 Error: 2: No such file or directory

Additional information: 3

Errors in file /fantlam/oracle/app/oracle/diag/rdbms/mmptdg/mmptdg/trace/mmptdg_rfs_4012.trc:

ORA-00313: open failed for members of log group 4 of thread 1

ORA-00312: online log 4 thread 1: '/fantlam/oracle/app/oracle/oradata/mmptdg/stdby_redo01.log'

ORA-27037: unable to obtain file status

Linux-x86_64 Error: 2: No such file or directory

Additional information: 3

RFS[2]: Selected log 5 for thread 1 sequence 180 dbid 850194755 branch 974451523

Recovery of Online Redo Log: Thread 1 Group 5 Seq 180 Reading mem 0

Mem# 0: /fantlam/oracle/app/oracle/oradata/mmptdg/stdby_redo02.log

解決方法：

SQL> select group#,status from v$standby_log;

GROUP# STATUS

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

4 ACTIVE

5 ACTIVE

6 UNASSIGNED

7 UNASSIGNED

SQL>

SQL> col member for a60

SQL> select group#,STATUS,MEMBER from v$logfile;

GROUP# STATUS MEMBER

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

1 /fantlam/oracle/app/oracle/oradata/mmptdg/redo01.log

2 /fantlam/oracle/app/oracle/oradata/mmptdg/redo02.log

3 /fantlam/oracle/app/oracle/oradata/mmptdg/redo03.log

4 /fantlam/oracle/app/oracle/oradata/mmptdg/stdby_redo01.log

5 /fantlam/oracle/app/oracle/oradata/mmptdg/stdby_redo02.log

6 /fantlam/oracle/app/oracle/oradata/mmptdg/stdby_redo03.log

7 /fantlam/oracle/app/oracle/oradata/mmptdg/stdby_redo04.log

7 rows selected.

SQL> alter database clear logfile group 4;

alter database clear logfile group 4

*

ERROR at line 1:

ORA-01156: recovery or flashback in progress may need access to files

SQL> alter database recover managed standby database cancel;

Database altered.

SQL> alter database clear logfile group 4;

Database altered.

SQL> alter database clear logfile group 5;

Database altered.

SQL> alter database clear logfile group 6;

Database altered.

SQL> alter database clear logfile group 7;

Database altered.

SQL>

查看告警日誌

主庫切換日誌，備庫日誌無告警。

Media Recovery Log /archivelog/1_209_974451523.dbf

Media Recovery Waiting for thread 1 sequence 210 (in transit)

Recovery of Online Redo Log: Thread 1 Group 5 Seq 210 Reading mem 0

Mem# 0: /fantlam/oracle/app/oracle/oradata/mmptdg/stdby_redo02.log

Media Recovery Waiting for thread 1 sequence 211 (in transit)

RFS[9]: Selected log 4 for thread 1 sequence 211 dbid 850194755 branch 974451523

Thu May 10 09:41:37 2018

Archived Log entry 164 added for thread 1 sequence 210 ID 0x32ae65b9 dest 1:

Thu May 10 09:41:37 2018

Archived Log entry 165 added for thread 1 sequence 211 ID 0x32ae65b9 dest 1:

RFS[9]: Selected log 4 for thread 1 sequence 213 dbid 850194755 branch 974451523

Thu May 10 09:41:37 2018

RFS[7]: Selected log 5 for thread 1 sequence 212 dbid 850194755 branch 974451523

RFS[9]: Selected log 6 for thread 1 sequence 214 dbid 850194755 branch 974451523

Archived Log entry 166 added for thread 1 sequence 212 ID 0x32ae65b9 dest 1:

Archived Log entry 167 added for thread 1 sequence 213 ID 0x32ae65b9 dest 1:

Media Recovery Log /archivelog/1_211_974451523.dbf

Media Recovery Log /archivelog/1_212_974451523.dbf

Media Recovery Log /archivelog/1_213_974451523.dbf

Media Recovery Waiting for thread 1 sequence 214 (in transit)

Recovery of Online Redo Log: Thread 1 Group 6 Seq 214 Reading mem 0

Mem# 0: /fantlam/oracle/app/oracle/oradata/mmptdg/stdby_redo03.log

ORA-00313: open failed for members