Upgrading an AFM-DR system

Complete the following steps to upgrade an AFM-DR system:

1. Stop replication from the AFM-DR primary site to the AFM-DR secondary site.
2. Upgrade the AFM-DR secondary site. If IBM Storage Scale does not automatically start, restart IBM Storage Scale.
3. Restart replication from the AFM-DR primary site to the AFM-DR secondary site.
4. When the primary and secondary sites are synchronized, fail over to the secondary site.
5. Upgrade the AFM-DR primary site. If IBM Storage Scale does not automatically start, restart IBM Storage Scale.
6. When the two sites are again synchronized, fail over back to the original AFM-DR primary site.
7. Run the mmchconfig release=LATEST and mmchfs -V full commands on both clusters.