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jennifer mccallum · Aug 4, 2021

Azure Mirroring - VIP

#Azure #Cloud #Mirroring #InterSystems IRIS

Has anyone firstly got VIP working for mirroring in Azure?  We are pretty sure that this won't work but I wanted to verify it.

Has anyone used the Azure Load balancer to act as a Virtual IP and if so was a application gateway required.

Interested to know your experiences in getting this working.

Product version: IRIS 2020.4
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Oliver Wilms · Aug 4, 2021

Hello, I have setup IRIS mirror in AWS using Elastic Container Service / Fargate. I did not utilize a load balancer for mirror setup.

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Oliver Wilms · Aug 4, 2021

I was planning to write an article about this topic in current tech article contest. I will get started on it today.

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Vic Sun · Aug 4, 2021

Hello Jennifer,

While ISC docs are down currently, here's a web archive link to the section that discusses VIPs in the cloud:

https://web.archive.org/web/20201026104034/https://docs.intersystems.com/irislatest/csp/docbook/Doc.View.cls?KEY=GHA_mirror_set

"Typically, a VIP cannot be used in cloud environments. For a review of the options for configuring application redirection following failover in a cloud environment by an InterSystems Principal Technology Architect, please see Database Mirroring without a Virtual IP Address on InterSystems Developer Community."

Here are links to that and another potentially useful article on the community.

https://community.intersystems.com/post/database-mirroring-without-virtual-ip-address

https://community.intersystems.com/post/intersystems-example-reference-architecture-microsoft-azure-resource-manager-arm

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Tom Cross · Sep 23, 2021

Hello,

We are currently utilising the Azure basic load balancer to act as a vip in Azure for both our IRIS 2020 mirrors. 

Did you managed to get this working?  

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Oliver Wilms · Sep 23, 2021

Hello, I want to post update that InterSystems told me they did not support mirror with AWS Fargate because mirror requires static ip. I wanted to use containers running on Fargate serverless which will change ip each time a new container starts.

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