HAA on Active-Active DR Installation with GEO-split: Is it necessary?

Hi Everyone!

I’d like to implement a fairly minimal infrastructure design that enables an Active-Active connection between two data centers (for the runtime resources at least, one of the orchestrator could be passive, if it is a viable option).

As I understand, for having 2 Orchestrator servers operating simultaneously, we need the High Availability Add-On installed on 3 different servers (1 master+2 secondary, but 1 master server is absolutely necessary).

If we would leave out the HAA with its 3 servers, but configure the load balancer to open the connections of the runtime resources within both two separate geolocations to the Orchestrator in the primary geolocation if it’s available, but redirect them to the other Orchestrator in the secondary geolocation if the primary is unavailable, would it cause any issues within the infrastructure?

The Orchestrators would connect to the SQL databases through an SQL Listener. We don’t necessarily need the two Orchestrators for balancing the load between them, but to ensure that one is definitely up and running, and can immediately take over operating our robots if the primary one fails.

If HAA is an absolute must in this case as well, would it be enough to install only 1 HAA server within the primary location?

Thank you!

Hello @Balint_Laszlo_Papp!

It seems that you have trouble getting an answer to your question in the first 24 hours.
Let us give you a few hints and helpful links.

First, make sure you browsed through our Forum FAQ Beginner’s Guide. It will teach you what should be included in your topic.

You can check out some of our resources directly, see below:

  1. Always search first. It is the best way to quickly find your answer. Check out the image icon for that.
    Clicking the options button will let you set more specific topic search filters, i.e. only the ones with a solution.

  2. Topic that contains most common solutions with example project files can be found here.

  3. Read our official documentation where you can find a lot of information and instructions about each of our products:

  4. Watch the videos on our official YouTube channel for more visual tutorials.

  5. Meet us and our users on our Community Slack and ask your question there.

Hopefully this will let you easily find the solution/information you need. Once you have it, we would be happy if you could share your findings here and mark it as a solution. This will help other users find it in the future.

Thank you for helping us build our UiPath Community!

Cheers from your friendly
Forum_Staff