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  • DG在duplicate过程中主库归档能否向备库传输?

    答案不能

    主库执行duplicate过程中
    RMAN>duplicate target database for standby from active database dorecover nofilenamecheck; 主库查询视图提示备库NOT MOUNT? SQL> select dest_id,error from v$archive_dest; DEST_ID ERROR ---------- ----------------------------------------------------------------- 1 2 ORA-16058: standby database instance is not mounted
    其实DG库在duplicate过程中就已经mount成功,DG库无法接受主库归档,原因如下RFS进程无法启动!

    Completed: alter database clear logfile group 3
    RFS connections are allowed

     只有在备库接受所有主库网络远程发送的数据文件之后,DG库进行clear logfile之后,才允许RFS启动!!!所以造成duplicate主库无法传送归档至备库

    Mon Mar 02 01:05:44 2020
    RFS[1]: Assigned to RFS process 17430
    RFS[1]: Opened log for thread 1 sequence 2585 dbid 1969706720 branch 1008014307
    Mon Mar 02 01:05:44 2020
    RFS[2]: Assigned to RFS process 17428
    RFS[2]: Opened log for thread 1 sequence 2586 dbid 1969706720 branch 1008014307
    Archived Log entry 1 added for thread 1 sequence 2585 rlc 1008014307 ID 0x7590229f dest 2:
    Archived Log entry 2 added for thread 1 sequence 2586 rlc 1008014307 ID 0x7590229f dest 2:
    RFS[2]: Opened log for thread 1 sequence 2587 dbid 1969706720 branch 1008014307
    Archived Log entry 3 added for thread 1 sequence 2587 rlc 1008014307 ID 0x7590229f dest 2:
    Mon Mar 02 01:05:45 2020
    Primary database is in MAXIMUM PERFORMANCE mode
    RFS[3]: Assigned to RFS process 17436
    RFS[3]: No standby redo logfiles created
    RFS[3]: Opened log for thread 1 sequence 2588 dbid 1969706720 branch 1008014307

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  • 原文地址:https://www.cnblogs.com/lvcha001/p/12453942.html
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