Which field is optional when creating a Category?
When creating a Category in Nutanix, the 'Purpose' field is optional. The mandatory fields are 'Name' and 'Value'. The 'Purpose' field is used to provide a description or context for the category but is not required for the category creation.
Nutanix documentation on Category Management.
Nutanix Best Practices for Defining Categories.
An administrator is tasked with setting up a Policy Engine for a Calm VM.
What information does the administrator require to complete this task?
An application deployment failed, and a correction was implemented.
What is the most optimal way to correct the failed deployment?
The most optimal way to correct the failed deployment is to retry the failed deployment. This option allows the administrator to resume the deployment from the point of failure, without having to redeploy the entire application or create a new runbook. Retrying the failed deployment also preserves the application state and configuration, and avoids creating duplicate resources or conflicts.
Redeploying the application is not the best option, because it requires the administrator to delete the existing application and launch a new one from scratch. This option wastes time and resources, and may result in data loss or inconsistency.
Creating a runbook to retry is also not the best option, because it requires the administrator to write a custom script or workflow to handle the retry logic. This option adds complexity and overhead to the automation process, and may not be compatible with the original blueprint or application.
Rewriting the blueprint to have error handling is a valid option, but it is not the most optimal one. This option requires the administrator to modify the blueprint code and add logic to handle different types of errors and exceptions. This option improves the robustness and reliability of the blueprint, but it does not correct the failed deployment itself. The administrator still has to redeploy the application or retry the failed deployment after rewriting the blueprint.
Nutanix Calm User Guide: Chapter 6: Managing Applications
An administrator needs to reduce the number of vCPUs in a VM on the following Sunday at1:00AM.
How can the administrator automate this task?
To automate the reduction of vCPUs in a VM on a specific schedule, the administrator should create a playbook triggered at a specified time. This playbook can be scheduled to run at 1:00 AM on the following Sunday and perform the task of reducing the number of vCPUs in the VM.
Nutanix documentation on Playbook Scheduling.
Nutanix Best Practices for Automating VM Tasks.
A developer is building a Blueprint that deploys a Redhat Enterprint Linux VM on vSphere. During the testing of the Blueprint to prepare it for users, it is discovered that the App deployment fails with the error.
What is the cause of this errors?
The error message indicates that customization of the guest operating system is not supported. This issue often arises because open-vm-tools is not installed or not running on the Redhat Enterprise Linux VM. open-vm-tools is necessary for vSphere to perform guest customization tasks, such as setting the hostname, IP configuration, and other initialization tasks.
Nutanix documentation on Guest Customization Requirements.
VMware documentation on Installing Open VM Tools.
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