Gartner Research

How to Select a Storage Approach for Persistent Containers

Published: 03 November 2017

ID: G00328542

Analyst(s): Anna Belak

Summary

Data persistence has posed challenges for Docker containers from their inception. Today, a multitude of storage solutions offer support for stateful workloads in containers. This guidance framework will help technical professionals select the appropriate approach for their use cases.

Table Of Contents

Problem Statement

The Gartner Approach

The Guidance Framework

  • Prework
    • Operationalizing Containers
    • Understanding Container Persistence Challenges
  • Step 1: Select Underlying Platform or Deployment Scenario
    • On-Premises Only
    • Public Cloud Only
    • Hybrid or Multicloud (DIY)
    • Managed Platforms
    • Guidance
  • Step 2: Assess Current and Future Orchestration Needs
    • Application Form Factor and Scale
    • System Churn and Locality
    • Guidance
  • Step 3: Identify Desired Storage Integrations in Orchestration Layer
    • Docker Swarm Mode
    • DC/OS (Apache Mesos and Marathon)
    • Kubernetes
    • Guidance
  • Step 4: Evaluate Container-Specific Application Requirements
    • Application-Level SLAs
    • Container Granularity
    • Dynamic Provisioning
    • Data Locality
    • Guidance
  • Step 5: Select Persistent Storage Approach

Risks and Pitfalls

  • Technology Maturity
  • Vendor Risk
  • Planning Ahead in a Fast-Moving Ecosystem
  • Vendor Lock-In

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