Monday 5 August 2019

CALM Series Part 1 - Enabling CALM

CALM provides advanced app-level orchestration across teams and clouds while eliminating the complexity and repetitive nature of resource delivery via comprehensive app-centric automation from Nutanix Calm. With demands on IT rising faster than ever, Calm enables you to streamline how you manage applications and support the business.

That is CALM in a nutshell, and I assume you have looked at the official documentation, but I just want to get my hands dirty and get started. Actually I did get started about a year ago but due to time constraints I never got anywhere with it. I am not sure what version of CALM was in use at the time but I do remember thinking that it was not overly mature and too complicated for my liking....

Enabling CALM is a piece of cake. Basically there area few pre-requirements:

  • Configure a data service IP on the cluster running Prism Central
  • Register this cluster with Prism Central
  • PC VM needs to have hot add memory enabled
  • PC needs to be AOS 5.9 or higher and the cluster it is running on it needs AOS 5.5. or more.

And now for the configuration of CALM itself:

  • Log in to PC as an Admin
  • Under Services > CALM, click Enable
  • Enable App Management. Notice how it will add 4 GB to your PC VM


  • Click save. The CALM interface will appear

Let's check if a newer version is available. Upgrading CALM is super easy thanks to one of my favorite Nutanix features, Life Cycle Management.

  • Go to Settings > Life Cycle Management
  • Perform an inventory update
  • Once completed, go to Software Updates
  • Select both the CALM and Epsilon features and click Update


  • Take note that genesis will be restarted and click Apply 2 Updates


  • The process will take a while but all going well you should see the following


And that is it! You are all set to start with CALM. Stay tuned for more posts.

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