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  1. MariaDB Server
  2. MDEV-30819

InnoDB fails to start up after downgrading from MariaDB 11.0

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    Description

      Downgrades are not supported, and in fact, a downgrade from MariaDB Server 10.8 or later to earlier versions is nontrivial due to MDEV-27199 and MDEV-14425.

      The error message that was added in MDEV-30106 may be confusing, and in fact, we can safely allow a downgrade, provided that the change buffering is never enabled.

      2023-03-09 13:54:30 0 [ERROR] InnoDB: The change buffer is corrupted
      2023-03-09 13:54:30 0 [ERROR] InnoDB: Plugin initialization aborted with error
      Data structure corruption
      2023-03-09 13:54:30 0 [Note] InnoDB: Starting shutdown...
      

      If innodb_change_buffering=none (the default since MDEV-27734), we can demote this error to a warning and allow InnoDB to start up.

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            marko Marko Mäkelä created issue -
            marko Marko Mäkelä made changes -
            Field Original Value New Value
            marko Marko Mäkelä made changes -
            marko Marko Mäkelä made changes -
            marko Marko Mäkelä made changes -
            Status Open [ 1 ] In Progress [ 3 ]
            marko Marko Mäkelä made changes -
            issue.field.resolutiondate 2023-03-09 14:53:18.0 2023-03-09 14:53:18.037
            marko Marko Mäkelä made changes -
            Fix Version/s 10.5.20 [ 28512 ]
            Fix Version/s 10.6.13 [ 28514 ]
            Fix Version/s 10.8.8 [ 28518 ]
            Fix Version/s 10.9.6 [ 28520 ]
            Fix Version/s 10.10.4 [ 28522 ]
            Fix Version/s 10.11.3 [ 28524 ]
            Fix Version/s 10.5 [ 23123 ]
            Fix Version/s 10.6 [ 24028 ]
            Fix Version/s 10.8 [ 26121 ]
            Fix Version/s 10.9 [ 26905 ]
            Fix Version/s 10.10 [ 27530 ]
            Fix Version/s 10.11 [ 27614 ]
            Fix Version/s 11.0 [ 28320 ]
            Resolution Fixed [ 1 ]
            Status In Progress [ 3 ] Closed [ 6 ]

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              marko Marko Mäkelä
              marko Marko Mäkelä
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