Migrating an existing virtual SMU from CentOS 6 to CentOS Stream 8

Virtual SMU Installation and Upgrade Guide for Hitachi NAS Platform

Part Number

A standard upgrade of an earlier virtual SMU to version 13.9.6918.04 or later will not upgrade the operating system version. If you want to upgrade an existing CentOS 6 SMU to run on CentOS Stream 8, while preserving the existing network address, it is necessary to deploy a new virtual SMU and migrate the settings from the existing SMU to the new one by performing a backup and restore.
Note: The SMU will be temporarily unavailable while following this procedure.