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Spring Journal

Volume 31, Issue 1

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Monday, 26 February 2018 15:55

Software-Defined Storage Design Considerations: 5 Key Tips

Software-defined storage (SDS) decouples storage intelligence from the underlying storage devices. The environment orchestrates multiple storage devices into a software storage management layer that operates above the physical storage layer. By moving intelligence up the stack, customers can buy commodity hardware that supports SDS policy-driven workload processing, load balancing, dedupe, replication, snapshots, and backup. Instead of purchasing expensive proprietary NAS or SAN, SDS runs on commodity hardware and standard operating systems.

This is true as far as it goes. However, some SDS vendors – especially the software-only sellers – claim that the hardware doesn’t matter. But when it comes to software-defined storage design, hardware choices are critical.

It’s true that software-defined storage users can use commodity hardware and avoid expensive SAN or NAS with built-in storage intelligence. But software-defined storage users still need to integrate SDS with hardware, and design the physical infrastructure, so it optimizes the software-defined storage layer.