A consultant needs to image nodes that cannot be discovered with the Foundation VM
The nodes are connected to a flat stitch and
are already part of a Nutanix cluster.
What course of action would result in Foundation success?
If nodes cannot be discovered using the Foundation VM and they are already part of a Nutanix cluster, the best course of action is to bare metal image the nodes. This process involves re-imaging the nodes from scratch, which can resolve discovery and communication issues that may be caused by existing configurations or errors within the cluster's networking setup. Reference: Nutanix Bible, Nutanix University NCS-Core 6.8 learning materials
A customer has NearSync configured. When the administrator tries to restore a snapshot from 3 minutes ago, it is not available. The snapshots are happening at 15-minute intervals instead of at the 5-minute configured interval. When the protection domain was initially set up, the snapshots were happening at the expected 5-minute interval.
What should the customer do to enable the snapshots to happen at the expected interval?
If the administrator observes that the snapshot intervals have changed from the initially configured 5-minute intervals to 15-minute intervals, it indicates a potential issue with the setup. Option C, 'Fix a connectivity issue because the protection domain reverted to Async,' addresses the likely cause---a connectivity problem that caused the system to revert to longer, asynchronous DR snapshot intervals.
NearSync typically allows for very frequent snapshots, but if there is a connectivity or configuration issue, it might fall back to less frequent asynchronous DR settings. Identifying and resolving any connectivity issues would allow the NearSync configuration to operate as initially intended.
Reference: The mechanics of NearSync and its behavior under connectivity issues are discussed in detail in Nutanix's documentation and troubleshooting guides, which describe how the system handles fallback scenarios and how to rectify them.
A customer has an ESXi Cluster with two 10GbE NICs on each node with the following requirements:
* Solution must follow Nutanix Best Practices
* Network configuration should be redundant
* A vSphere Standard Switch must be utilized
Which load balancing method should be used?
According to Nutanix best practices for ESXi clusters, using a vSphere Standard Switch with 'Route based on originating port ID' is recommended for load balancing. This method ensures that the same virtual port ID within a vSwitch uses the same uplink from the vSwitch. This load balancing policy provides an even distribution of traffic and redundancy by utilizing both NICs effectively without requiring any specific physical switch configurations, such as EtherChannel or LACP. Reference: The Nutanix Bible, NCS-Core 6.8 course content, and VMware's documentation on vSphere Standard Switch load balancing methods.
A customer has the following requirement for a Nutanix cluster:
Must support high-performance Nutanix Volumes iSCSI workloads
Must utilize AHV nodes
Must use 10 GbE interface
How should the customer optimize networking?
For high-performance iSCSI workloads, especially in a Nutanix environment using AHV nodes and a 10 GbE interface, enabling Jumbo Frames on both the Host and the Controller Virtual Machine (CVM) is recommended. Jumbo Frames allow for a larger payload per network packet, which reduces the overhead required to send large amounts of dat
a. Enabling Jumbo Frames on both the host and the CVM ensures that both ends of the communication channel can handle larger packets, thereby optimizing throughput and reducing latency for high-performance workloads.
A customer is considering increasing the Redundancy Factor from 2 to 3 for a Nutanix cluster in their existing environment.
Which option would provide the company with the optimal solution?
To increase the Redundancy Factor (RF) from 2 to 3, at least five nodes are required for the cluster to function correctly with RF3, as each data block needs to be replicated to three different nodes. However, the optimal solution that offers both the necessary node count and sufficient storage overhead is:
Six Compute Nodes with 25% available disk space: This configuration ensures that there are enough nodes to support RF3 while maintaining adequate storage capacity for redundancy without overutilization.
