Devolutions Server High Availability
We are preparing to build a highly available Remote Desktop Manager Server (Devolutions Server) infrastructure. Two Devolutions Server instances will be loadbalanced by a HA loadbalancer cluster. The SQL database will also be made highly available.
Is there any specific configuration we need to make on the Devolutions Server instances besides just installing both servers following the installation guide and pointing them to the same data source?
All Comments (4)
Hello,
If your Load Balancer will use server affinity to send each workstation always to the same server, you have nothing to do.
If not, then the only modification will be to use a centralized DB for the session state.
Instead of using the asp.net State server, you will have to use a SQL Server DB.
At step 8 of Create DS instance, you will choose SQL Server.
Instructions for creating the DB can be found on http://support.microsoft.com/en-us/kb/317604.
In fact, you could create the tables in the same DB as RDM if you wish, but its best to have a separate DB since you'll be able to monitor the activity independently and be able to tune each one if required. If you can, the ideal setup is to host this DB on a separate volume to maximize throughput.
SQL Server state inherently will slow down the calls to the DS Instance, but there's now way around it.
Best regards,
Maurice
Hello,
I also play with the idea to make the Devolution Server HA capable. Unfortunately, this forum post is now 7 years old and the links are outdated.
You wrote:
In step 8 of Create DS instance select SQL Server.
Do you mean this point in the installation instructions?:
https://helpserver.devolutions.net/install_createrdmsinstance.html
Section 6 - Database
How is a Devolution Server cluster actually licensing wise? Do I need two Devolution Server licenses for this?
Thank you very much for an answer.
Alex Moucha
Hello,
Purchasing an enterprise edition actually grants you 3 instances, we figure two in load balancing and one for your staging environment.
As for the instructions, they are found on https://kb.devolutions.net/kb_dvls_deploy_high_availability_load_balanced_env.html, but we do offer free sessions to help you through. Simply contact us at service@devolutions.net to benefit from this.
Best regards,
Maurice
Hello,
Thank you very much for the quick reply.
We are currently working on a somewhat larger project and will be shooting this down towards the end of the year.
This includes the extension from Team Edition to Enterprise Edition and the use of the Devolution Gateway.
When this is all finished and some peace has settled in, I will get back to you.
Thanks again
AlexMoucha