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.EVENT: ADJUST_SCN

原创 Linux操作系统 作者:alsrt 时间:2011-05-25 16:27:52 0 删除 编辑

  Calculating a Level from 600 errors:

  ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~

        To get a LEVEL for ADJUST_SCN:

 

        a) Determine the TARGET scn:

            ora-600 [2662]    See   Use TARGET >= blocks SCN

           ora-600 [2256]    See  Use TARGET >=Current SCN

 

        b)Multiply the TARGET wrap number by 4. This will give you the level

          to use in the adjust_scn to get the correct wrap number.

        c) Next, add the following value to thelevel to get the desired base

          value as well :

 

        Add to Level         Base

        ~~~~~~~~~~~~ ~~~~~~~~~~~~

                   0            0

                   1   1073741824

                   2   2147483648

                   3   3221225472

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