RFS[18075]: No standby redo logfiles available for thread 1

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rimary database is in MAXIMUM PERFORMANCE mode
RFS[18075]: Assigned to RFS process 27210
RFS[18075]: No standby redo logfiles available for thread 1
RFS[18075]: Opened log for thread 1 sequence 68369 dbid 809919918 branch 812303150
Thu Dec 12 09:32:32 2013
Archived Log entry 19674 added for thread 2 sequence 51723 rlc 812303150 ID 0x3045bbae dest 2:
Thu Dec 12 09:32:33 2013
Media Recovery Log +RECOVERY/stbdb/archivelog/2013_12_12/thread_2_seq_51723.11845.833962885
Thu Dec 12 09:32:34 2013
Primary database is in MAXIMUM PERFORMANCE mode
Thu Dec 12 09:32:47 2013
RFS[18076]: Assigned to RFS process 27212
RFS[18076]: No standby redo logfiles available for thread 2
Thu Dec 12 09:32:47 2013
Media Recovery Log +RECOVERY/stbdb/archivelog/2013_12_12/thread_1_seq_68367.11846.833964907
RFS[18076]: Opened log for thread 2 sequence 51724 dbid 809919918 branch 812303150
Thu Dec 12 09:33:30 2013
Media Recovery Log +RECOVERY/stbdb/archivelog/2013_12_12/thread_1_seq_68368.11847.833966061
Thu Dec 12 09:33:58 2013
Media Recovery Waiting for thread 1 sequence 68369 (in transit)
Thu Dec 12 09:48:45 2013

1、FRIMARY SERVER:
在RAC PRIMARY 端，先关闭日志同步。

SQL> ALTER SYSTEM SET LOG_ARCHIVE_DEST_STATE_2=defer;

System altered.

2.暂停STANDBY

SQL> alter database recover managed standby database cancel;

3.修改模式：
SQL> alter system set standby_file_management=manual;

System altered.

删除归档，将所有的standby log组删除，然后再重建

SQL> alter database clear logfile group 5;

Database altered.

SQL> alter database drop logfile group 5;

Database altered.
。。。。。

增加standby 日志
ALTER DATABASE ADD STANDBY LOGFILE THREAD 1 SIZE 50M;
ALTER DATABASE ADD STANDBY LOGFILE THREAD 2 SIZE 50M;
。。。。。。

恢复到正常模式。
SQL> alter system set standby_file_management=auto;

System altered.

启动REDO实时应用日志（备库）
SQL> ALTER DATABASE RECOVER MANAGED STANDBY DATABASE USING CURRENT LOGFILE DISCONNECT from session;

Database altered.

重启日志同步

SQL> ALTER SYSTEM SET LOG_ARCHIVE_DEST_STATE_2=enable;

System altered.

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