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perhaps the deprecation of spinning disks has reduced the complexity of the issue

SSDs are much more complicated than spinning disks, so if anything the problem has gotten worse.

Are they? see I really need articles about this :) I thought higher bandwidth and lower seek times meant less complexity, but I could be mistaken.

Firmware on the SSD is actively in the data path, e.g. wear-levelling to ensure that many writes to a single file does not cause a particular block to wear out much earlier than other blocks, reducing overall capacity of the drive.

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