Gartner Research

Are You Ready for a UNIX-to-Linux Migration?

Published: 26 February 2018

ID: G00351523

Analyst(s): Daniel Bowers , Ron Blair

Summary

Migrating AIX, HP-UX and Solaris systems to Linux can improve agility and lower cost. However, moving complex, mission-critical workloads can involve unforeseen risks and expenses. I&O leaders replacing UNIX with Linux should follow these steps to ensure a successful migration.

Table Of Contents
  • Key Challenges

Introduction

Analysis

  • Model Costs to Determine When to Invest in a Migration
    • Avoid the TCO Trap and Focus on ROI
  • Thoroughly Inventory UNIX Dependencies, and Map to Their Future State
    • Determine the Need for Outside Help
    • Choose Migration Tools and a Linux Distribution
    • Map Staff to Their Future Roles
    • Allow for Sufficient Time
    • No Big Bang Required
  • Communicate Operational Changes During the Migration
    • Assume the Worst
    • Don't Surprise Stakeholders

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