Nutanix NCSE-Core Exam With Confidence Using Practice Dumps

To enhance the resiliency of the Nutanix environment against power outages to individual racks, it's essential to implement a strategy that ensures data availability even if an entire rack loses power. Here’s a step-by-step breakdown of the solution:

Current Environment Analysis:

The customer has two NX-3460-G7 blocks and one NX-3160-G7 block in a single rack.

Each block consists of multiple nodes, with a total of nine nodes across these blocks.

Objective:

Increase resiliency to power outages affecting individual racks.

Recommendations:

Move one node from each NX-3460-G7 block to the NX-3160-G7 block: This step is crucial to distribute the nodes across different physical blocks. By doing this, each block will have nodes that can ensure data availability even if a block is compromised.

Distribute the blocks across three separate racks: This ensures that even if one rack loses power, the nodes in the other racks can still maintain data availability and cluster operations.

Enable Rack Awareness: Rack Awareness is a feature in Nutanix that ensures data is distributed in such a way that a rack failure does not lead to data unavailability. When enabled, the system understands the physical location of each node and ensures data replication across different racks.

Implementation:

Physically relocate one node from each NX-3460-G7 block to the NX-3160-G7 block.

Physically distribute the three blocks (NX-3460-G7, NX-3460-G7, NX-3160-G7) across three different racks in the data center.

In the Nutanix Prism interface, enable Rack Awareness to logically inform the cluster of the new rack distribution.

Outcome:

By spreading nodes and blocks across three racks and enabling Rack Awareness, the customer will have increased resiliency. In case one rack loses power, the nodes in the other racks will ensure continuous data availability and cluster operations.

This approach leverages the best practices for ensuring high availability and fault tolerance in a Nutanix environment. It minimizes the risk of data loss or downtime due to power failures in a single rack.

References: For further information and detailed steps on enabling and configuring Rack Awareness, please refer to the Nutanix documentation related to high availability and data protection in multi-rack deployments.

B. N+1:

Based on the sizing scenario and the configuration shown in the exhibit, the Failover option selected is "Standard (N+1)."

This indicates that the cluster is configured to provide N+1 resiliency, where the system can handle the failure of one node by having an additional node available to take over.

This level of resiliency is common in environments where a balance between cost and availability is required.

References:

Nutanix Sizer tool and Nutanix documentation provide detailed explanations on configuring clusters with different levels of resiliency, including N+1.

To size a new project that requires offsite backup using Veeam with an RPO of 24 hours and the ability to restore from the past 7 days of backups, while considering the data change rate of 1%, the SE should configure the Nutanix Sizer with the following parameters:

Backup Frequency: Since the required RPO is 24 hours, a daily backup schedule should be set.

Retention Policy: The retention policy should be set to retain daily backups for 7 days. This means that each backup is kept for a week before it is overwritten.

Data Change Rate: The data change rate is 1%. This information is crucial for sizing the backup storage. A 1% daily change rate indicates that each daily backup will be approximately 1% of the total data size.

Backup Target: Veeam should be configured to send backups to an offsite location. This can be an external storage repository or a cloud target.

Storage Calculation: Calculate the total backup storage requirement. If the total data size is D, then the daily backup size will be 0.01D. Over 7 days, the storage requirement will be approximately 0.07D.

The SE should enter these details into the Nutanix Sizer to ensure the configuration aligns with the prospect's requirements.

References:

Nutanix documentation on configuring backup policies and retention in Veeam.

Standard practices for backup retention and RPO configurations in data protection solutions.