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When a task fails in a Multi VM Blueprint deployment within Nutanix Calm due to an issue such as a typographical error, and the error has been corrected, the administrator has options to handle the situation without needing to start the entire process from scratch.

According to Nutanix Calm documentation, the appropriate action after fixing the error is to choose the "Retry task" option. This allows the deployment process to continue from the point of failure, saving time and resources as opposed to deleting and relaunching the entire application or moving the blueprint to another project.

References:

Nutanix Calm Administration Guide

Nutanix Calm Troubleshooting and Best Practices

 The alert in Prism Central indicates that Calm showback is not able to reach the beam service. This could be due to network connectivity issues or incorrect configurations. The administrator should check the DNS configuration in Prism Central (Option A) to ensure that it is correctly configured to allow communication with the Beam service. Additionally, checking if Prism Element is configured with Proxy settings (Option C) is essential as it can also affect the communication between Calm and Beam. Pulse (Option B) and Flow (Option D) are not related to the Calm showback feature and do not impact its functionality.

References:

Nutanix Certified Professional - Multicloud Automation (NCP-MCA) v6.5, Section 2 - Deploy and Configure Nutanix Calm and Related Components, Objective 2.4 - Identify required configuration settings for a Nutanix Calm deployment

Enabling and Disabling Showback in Calm | Nutanix Community

When configuring Calm to use Kubernetes as a provider, the administrator can choose between two Kubernetes types: Karbon and Vanilla. Karbon is Nutanix’s own Kubernetes distribution that is integrated with Prism and AHV. Vanilla is any other Kubernetes distribution that is not Karbon, such as OpenShift, Rancher, or EKS. The administrator needs to provide the Kubernetes API endpoint and credentials for the Vanilla type, while the Karbon type is automatically discovered by Calm. References: Nutanix Certified Professional - Multicloud Automation (NCP-MCA) Exam Blueprint Guide, page 14; Nutanix NCP-MCA Questions, question 102.

This solution meets the requirements of creating a multicloud, three-tier application using Calm. It ensures that each tier of the application has a redundant copy running on both Nutanix and AWS, and that the application can tolerate either a cloud provider outage or a local Nutanix cluster outage. The other options do not provide full redundancy for each tier, or require manual intervention to create the AWS instances. References: Nutanix Certified Professional - Multicloud Automation (NCP-MCA) Exam Blueprint Guide, page 10; Nutanix Multicloud Automation Administration (NMCAA) Course, Module 5: Blueprints.

To make a custom variable type available for all deployments, the developer should publish the variable type to the Marketplace. By publishing it to the Marketplace, the variable type becomes accessible to all administrators and users across different projects, ensuring consistency and reusability.

References:

Nutanix Calm documentation on Publishing to Marketplace.

Nutanix Best Practices for Variable Management.

After upgrading Self-Service (formerly Calm) from version 3.3 to 3.6, the administrator noticed that Policy Engine scheduled jobs were failing and an alert was being presented in Prism Central. This issue is likely due to a version mismatch between the upgraded components. The recommended solution is to use Lifecycle Manager (LCM) to upgrade the Policy Engine to ensure compatibility with the new version of Self-Service.

References:

Nutanix documentation on Upgrading Components with LCM.

Nutanix Best Practices for Managing Upgrades.

A category is a key-value pair that can be assigned to an entity in Prism Central to simplify daily operations and management. Categories can be used to filter, search, and group entities based on common attributes. Categories can also be used to define policies and permissions for different entities. A category can be assigned to a cluster, a VM, an image, a network, a blueprint, an application, or a project. A category cannot be assigned to a hypervisor, a protection domain, or a storage container, as these are not entities in Prism Central. References: Nutanix Certified Professional - Multicloud Automation (NCP-MCA) Exam Blueprint Guide, page 12; Nutanix Prism Central Guide, section 4.1.

To automate routine tasks such as acknowledging alerts, generating reports, and looking up cluster details on a set interval, the administrator should implement a Time Trigger. Time Triggers allow actions to be scheduled to run at specific times or intervals, ensuring consistent execution without manual intervention.

References:

Nutanix Calm documentation on Triggers.

Nutanix Best Practices for Automating Routine Tasks.

 A Playbook is a set of actions that are triggered by an event or a schedule. To run a Playbook, it must be enabled first. If a Playbook is not enabled, it will not respond to any events or schedules, and no Plays will be recorded for it. Therefore, the most likely cause of the issue is that the administrator forgot to enable the Playbook after building it. References: Nutanix Certified Professional - Multicloud Automation (NCP-MCA) Exam Blueprint Guide, page 13, section 3.2. Nutanix Multicloud Automation Administration (NMCAA) course, module 4, lesson 2.

A Branch Condition is a type of action in X-Play that allows you to create conditional logic based on the output of a previous action or a custom expression. A Branch Condition can have multiple branches, each with a different condition and a different set of actions to execute if the condition is met. The minimum number of actions required in a Branch Condition is two: one for the condition itself, and one for the action to perform if the condition is true. If the condition is false, the Branch Condition will skip to the next action in the Playbook. You can add more branches to a Branch Condition, but you cannot have less than two. References: Nutanix Calm: Playbooks - Read the Docs and Nutanix Calm: Branch Condition - Read the Docs.