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Server version and backup version comparison
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      • About Percona XtraBackup
      • How Percona XtraBackup works
      • Understand version numbers
      • Install Percona XtraBackup 8.0
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      • Implementation details
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      • Configure xtrabackup
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      • Enable the server to communicate via TCP/IP
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      • Analyze table statistics
      • FLUSH TABLES WITH READ LOCK option
      • lock-ddl-per-table option improvements
      • Take an incremental backup using page tracking
      • The xbcloud binary
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      • Use the xbcloud binary with Microsoft Azure Cloud Storage
      • How-tos and recipes
      • Release notes index
      • Percona XtraBackup 8.0.30-23 (2022-11-14)
      • Percona XtraBackup 8.0.29-22 (2022-07-19)
      • Percona XtraBackup 8.0.28-21 (2022-05-25)
      • Percona XtraBackup 8.0.28-20
      • Percona XtraBackup 8.0.27-19
      • Percona XtraBackup 8.0.26-18.0
      • Percona XtraBackup 8.0.25-17.0
      • Percona XtraBackup 8.0.23-16.0
      • Percona XtraBackup 8.0.22-15.0
      • Percona XtraBackup 8.0.14
      • Percona XtraBackup 8.0.13
      • Percona XtraBackup 8.0.12
      • Percona XtraBackup 8.0.11
      • Percona XtraBackup 8.0.10
      • Percona XtraBackup 8.0.9
      • Percona XtraBackup 8.0.8
      • Percona XtraBackup 8.0.7
      • Percona XtraBackup 8.0.6
      • Percona XtraBackup 8.0.5
      • Percona XtraBackup 8.0.4
      • Percona XtraBackup 8.0-3-rc1
      • Error Message: Found tables with row versions due to INSTANT ADD/DROP columns
      • The xtrabackup option reference
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      • Version checking

    Server version and backup version comparison¶

    A MySQL change to a feature, such as the structure of a redo log record, can cause older versions of Percona XtraBackup to fail. To ensure that you can back up and restore your data, use a Percona XtraBackup version that is equal to or above your source server version.

    See also

    How XtraBackup works

    Percona XtraBackup 8.0.21 adds the --no-server-version-check option. Before the backup starts, XtraBackup compares the source system version to the Percona XtraBackup version. If the source system version is greater than the XtraBackup version, XtraBackup stops the backup and returns an error message. This comparison prevents a failed backup or a corrupted backup due to source system changes.

    The parameter checks for the following scenarios:

    • The source system and the PXB version are the same, the backup proceeds

    • The source system is less than the PXB version, the backup proceeds

    • The source system is greater than the PXB version, and the parameter is not overridden, the backup is stopped and returns an error message

    • The source system is greater than the PXB version, and the parameter is overridden, the backup proceeds

    Explicitly adding the --no-server-version-check parameter, like the example, overrides the parameter and the backup proceeds.

    $ xtrabackup --backup --no-server-version-check --target-dir=$mysql/backup1
    

    When you override the parameter, the following events can happen:

    • Backup fails

    • Creates a corrupted backup

    • Backup successful

    Contact us

    For free technical help, visit the Percona Community Forum.

    To report bugs or submit feature requests, open a JIRA ticket.

    For paid support and managed or consulting services , contact Percona Sales.


    Last update: 2022-12-06
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