Gartner Research

Key Differences Between Nutanix, VxRail and SimpliVity HCIS Appliances — Architecture and Storage I/O

Summary

Technical professionals assessing hyperconverged solutions often compare Nutanix NX, Dell EMC VxRail and HPE SimpliVity appliances. This first of two documents highlights the fundamental differences between these three HCIS vendors with respect to architecture and storage I/O.

Published: 26 April 2017

ID: G00319293

Analyst(s): Jerry Rozeman

Table Of Contents

Comparison

  • Hypervisor Support
  • Software-Based Storage Controller
  • Physical Hardware (Form Factor)
  • Data Protection
  • Data Reduction
  • Disk Data Locality
  • Mixed Workloads
  • Scalability

Analysis

  • Architecture
    • Nutanix
    • HPE SimpliVity
    • VxRail
  • Performance — Disk Data Locality, Data I/O and Cache Behavior
    • Nutanix
    • HPE SimpliVity
    • VxRail

Guidance

  • General Guidance
    • Evaluate System Behavior and End-User Experience by Executing an Intensive Proof of Concept (POC)
    • Use Your Own Set of Applications During the POC
    • Use Application-Specific Test and Benchmark Tools
    • Execute Multiple Workloads With Different Read/Write Ratios on All HCIS Nodes
    • Range From Running Single VMs to Large Groups of VMs on All the Nodes at the Same Time
    • Run Tests Continuously for a Longer Time
    • Test the Performance With Native Mirroring, Erasure Coding, Deduplication and Compression
    • Test the Performance Impact While Executing System Failures and/or Upgrades
    • Test the Performance Impact With Several Different Disk Read/Write Ratios and Rates
    • Use Low-Latency Switches — Especially With All-Flash Configurations — to Minimize Network Latency
  • Guidance for Clients Choosing Nutanix
  • Guidance for Clients Choosing HPE SimpliVity
  • Guidance for Clients Choosing VxRail

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