Topology Editor for SAP HANA

HANA Topology Editor is a tool for viewing/editing HANA topology file written in Java.

It supports three different types of topology files:

1. Exported via hdbnsutil -exportTopology <topology file>;
2. topology.txt in root directory of full system dump (System DB if MDC);
3. nameserver_topology_<host>.json in trace folder (HANA revision >= SPS03).

This tool is only designed for below scenarios:

1. View the topology info from the file exported via hdbnsutil -exportTopology <topology file>;
2. View the topology info from topology.txt in root directory of full system dump;
3. View nameserver_topology_<host>.json in trace folder;
4. Edit/Export the topology and import it back via hdbnsutil -importTopology <topology file> when HANA can’t be started up because of the topology issues.

Disclaimer

Any usage of this HANA Topology Editor assumes that you have understood and agreed that:

1. HANA Topology Editor is NOT SAP official software, so normal SAP support of it cannot be assumed;
2. HANA Topology Editor is open source;
3. HANA Topology Editor is provided “as is”;
4. HANA Topology Editor is to be used on “your own risk”, please always backup the topology file before using it;
5. HANA Topology Editor is a one-man’s hobby; developed, maintained and supported only during non-working hours.

Download

This tool is written in Java 8, please make sure JRE version 1.8 (or later) is installed.

Download the exe file (HANATopologyEditor.exe).

Download the executable jar file (HANATopologyEditor.jar).

Todo

• View HANA topology online
• Edit HANA topology online (too dangerous)
• …