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  1. Make an online backup of the database(s). For further information regarding how to perform an online backup, see Preventive Maintenance Backup and Disaster Recovery Procedures.

Note

Note!

If you are upgrading from 8.3.x, you can find the database backup instructions in the documentation for 8.3 as the procedure may differ from that of 9.x.

  1. It is important to make a backup of MZ_HOME for rollback purposes.

    To make a backup of your MZ_HOME, you can use the following command:

Note

Note!

Ensure that all processes in your installation are shutdown prior to the backup.

You can check which processes are running by using the mzsh status command.

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Important!

If your existing MZ_HOME platform database is configured to use other database type rather than the default Derby, you need to check and update the respective database related properties from the install.xml file to match your current setup.

Oracle

See Properties for Oracle for details.

PostgreSQL

See Properties for PostgreSQL for details.

SAP HANA

See Properties for SAP HANA for details.

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Important!

If you are upgrading from 9.0.0.0 or 9.0.1.0 and using other database type rather than the default Derby, then you need to manual copy the database 3pp jar to the $MZ_HOME/3pp folder prior the upgrade.

However, this is not required if your current running version is 9.0.2.0 onwards.

Note

Note!

If you are upgrading from 8.x and using Oracle as system database, you need to use Oracle 19c (19.20.0.0) JDBC drivers (ojdbc8.jar/ojdbc10.jar).

The jar file can be downloaded from https://www.oracle.com/database/technologies/appdev/jdbc-downloads.html.

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