Adding small amounts of flash as cache or dedicated storage is certainly a good way to accelerate a key application or two, but enterprises are increasingly adopting shared #all-flash arrays to increase performance for every primary workload in the data center.
Flash is now competitively priced. All-flash array operations are simpler than when managing mixed storage, and the performance acceleration across-the-board produces visible business impact.
However, recent @TanejaGroup field research on all-flash data center adoption shows that successfully replacing traditional primary storage architectures with all-flash in the enterprise data center boils down to ensuring two key things: flash-specific storage engineering and mature enterprise-class storage features.
When looking for the best storage performance return on investment (ROI), it simply doesn’t work to replace HDDs with SSDs in existing traditional legacy storage arrays. Even though older generation arrays can be made faster in spots by inserting large amounts of underlying flash storage, there will be too many newly exposed overall performance bottlenecks to make it a worthwhile investment. After all, consistent IO performance (latency, IOPs, bandwidth) for all workloads is what makes all-flash a winning data center solution. It’s clear that to leverage a flash storage investment, IT requires flash-engineered designs that support flash IO speeds and volumes.
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