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Question 150 - NCP-MCI-6.5 discussion

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An administrator needs to deploy an application with a large amount of data connected via Nutanix volumes.

Which two actions should the administrator take when designing the Volume Group? (Choose two.)

A.
Distribute workload across multiple virtual disks
Answers
A.
Distribute workload across multiple virtual disks
B.
Enable RSS (Receive Side Scaling)
Answers
B.
Enable RSS (Receive Side Scaling)
C.
Use multiple subnets for iSCSI traffic
Answers
C.
Use multiple subnets for iSCSI traffic
D.
Enable thick provisioning on the Volume Group(s)
Answers
D.
Enable thick provisioning on the Volume Group(s)
Suggested answer: A, B

Explanation:

According to the Nutanix Volumes - Recommendations And Best Practices web search result3, two actions that the administrator should take when designing the Volume Group are:

Distribute workload across multiple virtual disks: Use multiple disks rather than a single large disk for an application. Consider using a minimum of one disk per Nutanix node to distribute the workload across all nodes in a cluster. Multiple disks per Nutanix node may also improve an application's performance. For performance-intensive environments, we recommend using between four and eight disks per CVM for a given workload.

Enable RSS (Receive Side Scaling): Receive-side scaling (RSS) allows the system to use multiple CPUs for network activity. With RSS enabled, multiple CPU cores process network traffic, preventing a single CPU core from becoming a bottleneck. Enabling RSS within hosts can be beneficial for heavy iSCSI workloads. For VMs running in ESXi environments, RSS requires VMXNET3 VNICs. For Hyper-V environments, enable VMQ to take full advantage of Virtual RSS.

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asked 23/09/2024
Michał Wojciechowski
30 questions
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