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InnoDB: Unsupported redo log format.

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  • InnoDB: Unsupported redo log format.

    I'm trying to use xtrabackup-v2 in a galera cluster, this is what innobackup.backup.log gives me when a peer tries to join. The host is just an new mariaDB server with only an extra user to give xtrabackup access:

    180206 20:26:40 innobackupex: Starting the backup operation

    IMPORTANT: Please check that the backup run completes successfully.
    At the end of a successful backup run innobackupex
    prints "completed OK!".

    180206 20:26:40 Connecting to MySQL server host: localhost, user: xtrabackup, password: set, port: not set, socket: /var/lib/mysql/mysql.sock
    Using server version 10.3.4-MariaDB
    innobackupex version 2.4.9 based on MySQL server 5.7.13 Linux (x86_64) (revision id: a467167cdd4)
    xtrabackup: uses posix_fadvise().
    xtrabackup: cd to /var/lib/mysql/
    xtrabackup: open files limit requested 0, set to 16364
    xtrabackup: using the following InnoDB configuration:
    xtrabackup: innodb_data_home_dir = .
    xtrabackup: innodb_data_file_path = ibdata1:12M:autoextend
    xtrabackup: innodb_log_group_home_dir = ./
    xtrabackup: innodb_log_files_in_group = 2
    xtrabackup: innodb_log_file_size = 209715200
    InnoDB: Number of pools: 1
    InnoDB: Unsupported redo log format. The redo log was created with MariaDB 10.3.4. Please follow the instructions at http://dev.mysql.com/doc/refman/5.7/...wngrading.html


    Since everything is a clean install, I have no clue what is going on, the mariadb server on the joiner doesn't start, I almost started thinking that the packages I use are too new?

  • #2
    Hi MrMoronIV ,

    Have you tried using MariaDB Backup instead of PXB for your MDB 10.3 Galera cluster? It appears that the redo log format of 10.3 may have sufficiently diverged from upstream MySQL to no longer be compatible.
    https://mariadb.com/kb/en/library/ma...ckup-overview/

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