An administrator is responsible for resource planning and needs to plan for resiliency of a 10-node RF3 cluster. The cluster has 100TB of storage.
How should the administrator plan for capacity in the event of future failures?
RF3 (Replication Factor 3) clusters require sufficient reserved capacity to tolerate failures without data loss.
Option C (Set Reserve Capacity for Failure to Auto Detect) is correct:
Auto Detect dynamically calculates the necessary reserved space based on cluster size and RF settings.
It ensures that enough storage remains available in case of a node failure.
Option A (Set Reserve Storage Capacity to 20%) is incorrect:
The required storage reservation depends on the number of nodes and RF level, not a fixed percentage.
Option B (Set Reserve Capacity for Failure to None) is incorrect:
Without reserved capacity, a node failure could lead to data unavailability.
Option D (Set Reserve Memory Capacity to 20%) is incorrect:
This setting applies to RAM, not storage resiliency.
Nutanix Bible Understanding Replication Factor (RF) and Failure Planning
Nutanix Prism Element Guide Configuring Reserve Capacity for Cluster Resiliency
Nutanix KB How to Plan Capacity for RF3 Clusters
An administrator want to create a VM with memory overcommit features enabled in Nutanix environment.
Which statement best describes how the administrator will perform this VM creation?
An administrator has two identical clusters managed by separate Prism Central instances. The guest VMs have pass-through GPUs. A scheduled maintenance is set for one of the clusters.
Which option would migrate VMs minimizing downtime?
An administrator is preparing for a firmware upgrade on a host and wants to manually migrate VMs before executing the LCM upgrade. However, one VM is unable to migrate while others migrate successfully.
Which action would fix the issue?
If a VM is unable to migrate, the most likely cause is that it is an Agent VM (such as a Nutanix Witness VM or a VM with special dependencies).
Option C (Disable Agent VM) is correct:
Some Agent VMs are configured to prevent migration due to critical roles (e.g., a Witness VM for Metro Availability).
Disabling Agent VM restrictions allows it to migrate before a host enters maintenance mode.
Option A (Enable ADS) is incorrect:
Acropolis Dynamic Scheduling (ADS) helps with VM placement after migration, but it does not force an unmigratable VM to move.
Option B (Update LLDP) is incorrect:
LLDP is used for network discovery, but it does not impact VM migration behavior.
Option D (Configure backplane port groups) is incorrect:
Backplane settings impact CVM communication, not VM migration.
Nutanix Prism Element Guide Managing Agent VM Settings
Nutanix Bible Host Maintenance and VM Live Migration
Nutanix KB Troubleshooting VM Migration Failures in AHV
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