dpwhittaker wrote:As I added more small files, free space started acting erratically
I have noticed erratic behaviour as well that could only be repaired by formatting the FS. I've posted about my issues here. In sum: can rename files, cannot remove them.
pellepl wrote:Perhaps I should simply add a SPIFFS_info(..) giving all info you need...
Hey, thanks for stopping by. That would be great! Do you happen to have (or would you like to have) an ESP module? You could test how your FS works first hand!