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Function documentationSAP NetWeaver AS ABAP: High Availability Locate this document in the navigation structure

 

This section describes the features of SAP NetWeaver Application Server (AS) ABAP to achieve high availability. We describe the causes of downtime and the effects of such failures. We also describe how you can avoid or decrease downtime for the SAP NetWeaver AS ABAP.

Note Note

This part of the documentation refers to the SAP NetWeaver AS ABAP.

For more information about SAP NetWeaver technical infrastructure, see the Technical Infrastructure Guide: SAP NetWeaver <Release>, which you can find o at:

http://service.sap.com/instguidesNW

End of the note.

Integration

You need to consider the database and switchover software for high availability.

For more information about switchover software, see .

Features

The following table shows when you might find the information useful to improve the high availability of your SAP system:

Aim

More Information

Reduce failures in the SAP system

System Failure (SAP NetWeaver AS)

Upgrade an SAP system

Upgrade (AS ABAP)

Improve SAP archiving

Data Archiving (AS ABAP)

Improve the SAP spool service

Spool Service (AS ABAP)

Convert and reorganize SAP tables

Incremental Table Conversion (AS ABAP)

Transport into production SAP system

Transports (AS ABAP)

Activities

You need to consider planned downtime to change:

  • Applications

    You can change applications while the system is online, which means that only the changed application is unavailable. All other applications remain available.

  • Services of SAP NetWeaver AS ABAP

    You have to make such changes offline, which means that SAP NetWeaver AS ABAP is not available.