Table of Contents
Question
What is supported when scaling out a VxRail cluster?
A. AMD-based nodes and Intel-based nodes placed in the same cluster
B. Mixing of all-flash and NVMe nodes in a cluster
C. Mixing VxRail nodes with different base networking speeds (1 GbE, 10 GbE and 25 GbE)
D. Nodes with 1 GbE must be all-flash, and dual processor node type
Answer
C. Mixing VxRail nodes with different base networking speeds (1 GbE, 10 GbE and 25 GbE)
Explanation
The correct answer is C. Mixing VxRail nodes with different base networking speeds (1 GbE, 10 GbE and 25 GbE) is supported when scaling out a VxRail cluster.
The explanation is as follows:
VxRail clusters can be scaled out by adding more nodes to increase the capacity and performance of the system. However, there are some limitations and requirements for scaling out a VxRail cluster, depending on the node type, hardware configuration, and software version.
Option A is incorrect because AMD-based nodes and Intel-based nodes cannot be placed in the same cluster. VxRail clusters must have homogeneous node types, meaning that all nodes in a cluster must have the same processor family, generation, model, and speed.
Option B is incorrect because mixing of all-flash and NVMe nodes in a cluster is not supported. VxRail clusters must have homogeneous disk types, meaning that all nodes in a cluster must have the same disk configuration, either all-flash or hybrid.
Option D is incorrect because nodes with 1 GbE must not be all-flash, and dual processor node type. Nodes with 1 GbE are only supported for hybrid configurations, and single processor node type. Nodes with all-flash configurations must have at least 10 GbE networking speed, and nodes with dual processor node type must have at least 25 GbE networking speed.
Option C is correct because mixing VxRail nodes with different base networking speeds (1 GbE, 10 GbE and 25 GbE) is supported when scaling out a VxRail cluster, as long as the other requirements for node type, hardware configuration, and software version are met. VxRail clusters can have heterogeneous networking speeds, meaning that different nodes in a cluster can have different networking speeds, as long as they are compatible with each other. For example, a VxRail cluster can have some nodes with 10 GbE and some nodes with 25 GbE, but not some nodes with 1 GbE and some nodes with 10 GbE or 25 GbE.
Reference
- Overview of VxRail scale-out rules | Dell VxRail System Design and Best Practices (packtpub.com)
- [Proven Exam Update] DES-6332 Specialist – Systems Administrator, VxRail Exam – Dell Community
- Scaling Up VxRail: Managing an Ecosystem | Dell Technologies Info Hub
- Dell EMC VxRail 7.0 vSAN Stretched Cluster Planning Guide (delltechnologies.com)
- VxRail Cluster Integrity and Resilience | Dell Technologies Info Hub
- VxRail scale-out rules | Implementing VxRail HCI Solutions (packtpub.com)
- scale-up and scale-out of VxRail – Dell Community
- Dell VxRail™ 7.0 Administration Guide | Dell
- Scaling a VxRAIL cluster – Dell Community
- Dell VxRail™ Appliance 4.7x Administration Guide | Dell
- How to Permanently Decommissioning a node from a VxRAIL Cluster – Dell Community
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