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child process has died at innobackupex line 2642

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  • child process has died at innobackupex line 2642

    I have recently installed the Parcona Xtrabackup and while running the backup using below command it is giving an error

    ./innobackupex --user=dbabackup --defaults-file=/usr/local/mysql/mysql5530/my.cnf --datadir=/mysqldb/data/K4TST /mysqldb/backups/K4TST

    innobackupex: Error: The xtrabackup child process has died at ./innobackupex line 2642.

    Thanks
    Himanshu

  • #2
    What version of MySQL server & xtrabackup you are using ? can you please paste innobackupex log to identify the problem.

    Comment


    • #3
      MySQL version 5.5.30 and xtrabackup version is InnoDB Backup Utility v1.5.1-xtrabackup.

      Log file is attached.

      What I found is /var/lib/mysql directory is what it is taking as the data directory but in our case it is different.

      Comment


      • #4
        Any help on this is greatly appreciated.

        Thanks
        Himanshu

        Comment


        • #5
          I was able to resolve this issue by providing defaults-group name

          ./innobackupex --defaults-file=/usr/local/mysql/mysql5530/my.cnf --defaults-group=mysqld1 --user=dbabackup /mysqlb/backups/K4TST

          Comment


          • #6
            I am getting below error when I freshly installed the mysql on new server.

            SELF@slcnpny050:/usr/local/mysql/PXB/bin>./innobackupex --defaults-file=/usr/local/mysql/mysql55/my.cnf --defaults-group=mysqld1 --user=dbabackup /mysqldb/backups/SELF

            InnoDB Backup Utility v1.5.1-xtrabackup; Copyright 2003, 2009 Innobase Oy
            and Percona LLC and/or its affiliates 2009-2013. All Rights Reserved.

            This software is published under
            the GNU GENERAL PUBLIC LICENSE Version 2, June 1991.

            Get the latest version of Percona XtraBackup, documentation, and help resources:
            http://www.percona.com/xb/p

            140228 11:50:21 innobackupex: Connecting to MySQL server with DSN 'dbi:mysql:;mysql_read_default_file=/usr/local/mysql/mysql55/my.cnf;mysql_read_default_group=xtrabackup' as 'dbabackup' (using password: NO).
            innobackupex: Error: Failed to connect to MySQL server as DBD::mysql module is not installed at ./innobackupex line 2976.

            Any clue as to what could be the issue?

            Thanks
            Himanshu

            Comment


            • #7
              Hi Himanshu,

              Have you install/upgrade xtrabackup with tarball? because if you have installed through yum/apt then it should install necessary libs to satisfy dependencies.
              Can you try to install DBD::mysql with either "yum install perl-DBD-MySQL" OR with CPAN and check?

              Comment


              • #8
                Hi,
                I have the same issue :
                innobackupex: Error: Support for MySQL 5.1 with builtin InnoDB (not the plugin) was removed in Percona XtraBackup 2.1. The last version to support MySQL 5.1 with builtin InnoDB was Percona XtraBackup 2.0.
                I have : percona-xtrabackup x86_64 2.1.8-733.rhel6 version install from the repository and mysql server 5.1.73.

                Help.

                Comment

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