Standby database sync issues
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Thread: Standby database sync issues

  1. #1
    Join Date
    Jun 2010
    Posts
    3

    Exclamation Standby database sync issues

    Hi,

    I have below output on standby database.

    SQL> select max(sequence#) from v$log_history;

    MAX(SEQUENCE#)
    --------------
    70102

    SQL> select max(sequence#) from v$archived_log;

    MAX(SEQUENCE#)
    --------------
    70663
    I would like to know why there is difference of output on standby whereas on
    production both have same value.

  2. #2
    Join Date
    Dec 2002
    Posts
    60
    What kind of log sync are you using?. redolog based or archive log based?

  3. #3
    Join Date
    Jun 2010
    Posts
    3
    It is archive log based.

  4. #4
    Join Date
    Jan 2001
    Posts
    2,828
    Hi

    Do you have standby redologs created in primary and standby servers

  5. #5
    Join Date
    Jun 2010
    Posts
    3
    Hi,

    Yes .We have standby redologs created in primary and standby database.
    Also now both the sequence output from v$log_history and
    v$archived_log are same.

  6. #6
    Join Date
    Jan 2001
    Posts
    2,828
    Hi

    Do you use realtime apply ?

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