> There's simply no structural reason for power failure (or application crashes) to be able to put hard disk data into an inconsistent, corrupt state. No struc

> There's simply no structural reason for power failure (or application crashes) to be able to put hard disk data into an inconsistent, corrupt state. No structural reason no, but a lot of other reasons. You can install your favourite atomic file operations library in your PL of choice and run some benchmarks to identify reason #1.