Are they _really_ emulating "disks", though? Storage presents block devices to operating system. Spinning Rust and all manner of SSD use lots of clever engine

Are they _really_ emulating "disks", though? Storage presents block devices to operating system. Spinning Rust and all manner of SSD use lots of clever engineering to appear as a block device. Block device is the most basic abstraction of all storage. You really want MySQL to manage NAND? ;)