SSDs vs. HDDs: When is all-flash storage overkill?
The SSD vs. HDD analysis isn't as simple as it looks. SSD prices are falling, and capacities increasing. But HDDs are still a good deal and fine for many noncritical workloads.
In the early days of all-flash arrays, organizations used SSDs only when performance needs outweighed price considerations. But as flash prices drop and the technology improves, many organizations are replacing aging HDDs with SSDs.
Yet, HDDs are far from finished in the enterprise. They still make up the bulk of storage in corporate data centers. The case for all-flash isn't nearly as cut and dried as many SSD vendors suggest. As a result, IT decision-maker ...