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 what has changed, please refer to the ChangeLog and to the release notes.

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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