Upgrading MariaDB MaxScale from 6 to 22.08

This document describes possible issues when upgrading MariaDB MaxScale from version 6 to 22.08.

For more information about MaxScale 22.08, refer to theChangeLog.

Before starting the upgrade, any existing configuration files should be backed up.

Removed Features

• The support for legacy encryption keys generated with maxkeys from pre-2.5 versions has been removed. This feature was deprecated in MaxScale 2.5 when the new key storage format was introduced. To migrate to the new key storage format, create a new key file with maxkeys and re-encrypt the passwords withmaxpasswd.

• The deprecated Database Firewall filter has been removed.

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