ORA-16047: DGID mismatch between destination setting and target database解决

做DG的时候主库两个节点无法把日志传到备库上

[sql]

SQL> select dest_name,status,type,database_mode,protection_mode,destination,applied_seq#,db_unique_name from v$archive_dest_status;

DEST_NAME STATUS TYPE DATABASE_MODE PROTECTION_MODE DESTINATIO APPLIED_SEQ# DB_UNIQUE_NAME

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

LOG_ARCHIVE_DEST_1 VALID LOCAL OPEN_READ-ONLY MAXIMUM PERFORMANCE +DATA/sharkd 0 sharkdg

b/archivel

LOG_ARCHIVE_DEST_2 ERROR UNKNOWN UNKNOWN MAXIMUM PERFORMANCE sharkdb 0 sharkdb

发现 STATUS 非 VALID状态。

select dest_id,error from v$archive_dest;

ORA-16047: DGID mismatch between destination setting and target database

看来没有把日志传过去

查看 ALTER.ORA日志

*** 2013-08-26 11:19:06.319

Archived Log entry 1792 added for thread 1 sequence 902 ID 0xfe904e46 dest 1: /arch/1_902_822142156.dbf

ORA-16055: FAL request rejected

检查 log_archive_dest_2 设置

[sql]

SQL> show parameter LOG_ARCHIVE_DEST_2

NAME TYPE VALUE

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

log_archive_dest_2 string service=shardb lgwr sync affirm valid_for=(online_logfiles,primary_role)db_unique_name=sharkdg

[sql]

查看备库的DB_UNIQUE_NAME 是否有错果然设置成了SHARKDB了

[sql]

或查看log_archive_config='DG_CONFIG=（）‘

[sql]

修改了 LOG_ARCHIVE_DEST_2 SCOPE=BOTH 依旧要重启实例否则好像并不能生效。