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Article ID: 121164, created on Apr 18, 2014, last review on Feb 1, 2016

  • Applies to:
  • Plesk 12.5 for Linux
  • Plesk 12.0 for Linux
  • Plesk 11.0 for Linux
  • Plesk 11.5 for Linux


Migration or database export fails with the following error:

Failed to pack files backup_domain.tld_1_1309020900 in /var/cache/20130902085729642/...

mysqldump: Couldn't execute 'SHOW FUNCTION STATUS WHERE Db = 'db_name'': Cannot load from mysql.proc. The table is probably corrupted (1548)


There is an incomplete upgrade of MySQL on the source server. The databases still has an old version.


On the source server:

  1. Create database backups:

    # mkdir /root/__sqlbackups
    # mysqldump -uadmin -p`cat /etc/psa/.psa.shadow ` psa > /root/__sqlbackups/psa.`date +%F_%H.%M`.sql
    # mysqldump -uadmin -p`cat /etc/psa/.psa.shadow ` mysql > /root/__sqlbackups/mysql.`date +%F_%H.%M`.sql
    # mysqldump -uadmin -p`cat /etc/psa/.psa.shadow ` --all-databases > /root/__sqlbackups/all.`date +%F_%H.%M`.sql
  2. Complete the MySQL upgrade:

    # mysql_upgrade -uadmin -p` cat /etc/psa/.psa.shadow ` --debug-check --debug-info --verbose

    If it is not helped and you still get the error above, but mysql_upgrade show the following:

    This installation of MySQL is already upgraded to <MYSQL_VERSION>, use --force if you still need to run mysql_upgrade


    # mysql_upgrade -uadmin -p` cat /etc/psa/.psa.shadow ` --force

Please use the official MySQL guide for you reference.

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