Moving Off Big Iron? Be Very Careful, Gartner Says

December 9, 2019 Alex Woodie

IBM i and mainframe professionals who have grown weary of defending their systems against people who want to replace them with more “modern” X86 and cloud platforms found an unlikely ally in the form of Gartner, which earlier this year published a report that cautioned against making rash, emotionally charged technological decisions when it comes to big iron migrations.

“Replacing existing systems because people perceive them to be old can be a costly mistake,” Gartner senior analyst Thomas Klinect and vice president Mike Chuba wrote in a March piece titled Considering Leaving Legacy IBM Platforms? Beware, as Cost Savings May …