Enterprise storage is a long-term bet. Pure Storage, a growing maker of all-flash arrays, is reshuffling the deck on that gamble in a way that might save IT departments time and money.

Pure’s plan is to let customers keep the same system for a decade, upgrading various components as improved versions come out but never having to migrate the data from an older array to a new one. For some organizations, this could eliminate an expensive and time-consuming effort every few years.

The elements of the new approach have been coming together for a while. But the company formally introduced the strategy and gave it a name — Evergreen Storage — as it unveiled its fourth-generation product on Monday. Evergreen Storage applies to all generations of Pure hardware already shipped as well as versions yet to come.

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