Dell DES-6332: Where should the administrator navigate to configure vSAN Fault Domains?

Question

An administrator wants to configure vSAN Fault Domains. After selecting the VxRail cluster in the vSphere client, where should the administrator navigate to complete this task?

A. Configure > vSAN > Fault Domains
B. Configure > VxRail > Fault Domains
C. Configure > VxRail > Disk Management > Fault Domains
D. Configure > vSAN > Services > Fault Domains

Answer

A. Configure > vSAN > Fault Domains

Explanation

The correct answer is A. Configure > vSAN > Fault Domains.

To configure vSAN Fault Domains, follow these steps:

1. In the vSphere client, select the VxRail cluster.
2. Click Configure > vSAN > Fault Domains.
3. Click the Add Fault Domain button.
4. In the Add Fault Domain dialog box, enter a name for the fault domain and select the hosts that you want to include in the fault domain.
5. Click OK.

The vSAN Fault Domains feature allows you to divide your vSAN cluster into multiple fault domains. A fault domain is a group of hosts that are not physically connected to each other. This means that if a failure occurs in one fault domain, the other fault domains will remain unaffected.

vSAN Fault Domains provides the following benefits:

• Improved availability: If a fault domain fails, the other fault domains will remain available.
• Improved performance: By spreading data across multiple fault domains, you can improve the performance of your vSAN cluster.
• Improved scalability: By adding more fault domains, you can scale your vSAN cluster without sacrificing performance or availability.

It is important to note that vSAN Fault Domains is not a replacement for vSAN High Availability. vSAN High Availability protects your data from host failures by replicating data to multiple hosts. vSAN Fault Domains protects your data from site failures by distributing data across multiple fault domains.

Here are some additional tips for configuring vSAN Fault Domains:

• Use a minimum of two fault domains. This will provide you with the best level of availability.
• Distribute your data evenly across fault domains. This will help to improve performance.
• Use fault domains to isolate different types of workloads. For example, you could create a separate fault domain for your database servers.
• Monitor your vSAN Fault Domains. Make sure that all of your hosts are properly connected to the correct fault domains.

The other options (B, C, D) are incorrect because they either navigate to a non-existent path (B, C) or to a different section of the vSAN configuration (D).

Reference

• Managing Fault Domains in vSAN Clusters (vmware.com)
• Designing and Sizing vSAN Fault Domains (vmware.com)
• Design and Operation Considerations When Using vSAN Fault Domains (vmware.com)
• Fault domains | Planning Guide—Dell EMC VxRail 7.0 vSAN Stretched Cluster | Dell Technologies Info Hub
• Fault domains | Dell VxRail 7.0 vSAN Stretched Cluster Planning Guide | Dell Technologies Info Hub
• Fault domains | Planning Guide—Dell EMC VxRail 4.x vSAN Stretched Cluster | Dell Technologies Info Hub
• VxRail: what is the FTT and erasure coding ? | Dell

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