Updating SAP ABAP Systems on UNIX and Linux: SAP MaxDB

Using the near-Zero Downtime Maintenance (nZDM) Feature

You want to use downtime-minimizing features of the Software Update Manager, the so called near-Zero Downtime Maintenance (nZDM).

Prerequisites

You have checked SAP Note 1678565 Information published on SAP site for more information about the prerequisites, terms and conditions of nZDM.

In addition, you have checked SAP Note 1678564 Information published on SAP site for more information about restrictions, database-specific settings, and troubleshooting of nZDM.

Context

The Software Update Manager is equipped with the near-Zero Downtime Maintenance (nZDM) technology. This technology includes features to minimize the Business Downtime while performing the following:

  • Support package update

  • Enhancement package installation

  • Upgrade of ABAP-based SAP Business Suite or SAP NetWeaver systems

The main benefit of nZDM is the significant reduction of the Business Downtime compared to previous update tools because more of the downtime-relevant update phases are executed while the system is still up and available for business users. The following deployment phases are executed in nZDM during uptime:

  • Table structure adjustment including conversions, based on Record & Replay technique

  • Main import, based on Record & Replay technique

Procedure

During the Initial Dialogs for the Scenario Specification (Get Roadmap), choose the scenario strategy Downtime-optimized. Afterwards you can select an option based on nZDM.