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An administrator needs to make sure an RF3 cluster can survive a failure of two complete racks without negatively affecting performance. The current cluster configuration consists of the following: * 30 All Flash Nodes: distributed 10 nodes per rack across three 42U racks * Each node is configured with 20TB usable storage all flash (Cluster Total 600TB Usable) * Current cluster utilization is 500TB storage * Storage containers have Erasure Coding enabled Which configuration changes should be made to make sure the cluster meets the requirements?
An administrator is monitoring the Nutanix v5.15-based AOS cluster performance logs and notices that a SQL server VM is greatly exceeding its intended maximum IOPS. The administrator has confirmed that a QoS policy was previously created for the group of VMs this server is a member of. What are two reasons that this VM would exceed its maximum configured IOPS from the QoS Policy? (Choose two.)
An administrator is planning to deploy a Nutanix cluster to support a few high-performance VMs. This deployment will have the following considerations: * Individual VMs will likely generate network throughputs in the range of 90-100Mbps * Due to the configuration of the VMs, it is unlikely that a node will host more than one or two of them at a time * Individual VMs will communicate with only a few (one or two) remote hosts at a time * Multicast will not be used in the environment * The hosts are connected via two 1GbE network connections How should the administrator configure the network bonds to meet this requirement while maintaining the simplest switch configuration?
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During which part of the Knowledge Transfer does the customer learn about Nutanix basics and their environment at a high level?
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An administrator needs to replace an aging SAN and move to a hyper-converged infrastructure. The existing environment consists of the following hosts that are connected to the SAN: * 5xAIX hosts * 3x Hyper-V hosts * 9xESXi hosts * 2x physical SQL Clusters (Windows Server 2012R2 hosts) After deploying a Nutanix AHV cluster, which two actions should the administrator take to meet the requirements? (Choose two.)
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Question 213 - NCS-Core discussion

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During an AHV upgrade, a database VM automatically migrated to another host. A customer is concerned about potential storage performance impact.

Which statement addresses the customer's concern?

A.
Shadow clones mitigate the need for data locality.
Answers
A.
Shadow clones mitigate the need for data locality.
B.
Data locality is not required on all flash nodes.
Answers
B.
Data locality is not required on all flash nodes.
C.
Mirroring the database on two VMs eliminates the need for data locality.
Answers
C.
Mirroring the database on two VMs eliminates the need for data locality.
D.
AHV's built in scheduler automatically restores data locality.
Answers
D.
AHV's built in scheduler automatically restores data locality.
Suggested answer: D

Explanation:

Addressing the customer's concern regarding the potential storage performance impact after a VM migration, it's important to note that Nutanix AHV includes intelligent scheduling mechanisms. AHV's built-in scheduler automatically works to restore data locality after VM migrations. Data locality refers to the placement of data close to the VM consuming it, which optimizes read and write operations by reducing latency. After migration, the scheduler actively moves data to ensure it is close to its consuming VM, thereby minimizing any adverse impacts on storage performance.

Nutanix AHV Administration Guide: Nutanix Documentation

Nutanix Data Locality Explanation and Benefits: Nutanix Portal

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asked 23/09/2024
Rehan Malik
51 questions
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