First and foremost, system.php is the file that always defined SPACE_DEFAULT_STORAGE, and at least with 0.32 and higher, has always been defined and located in commons/system.php.
Second, the SPACE_DEFAULT_STORAGE variable always returned based on that particular setting. This meant, if you had a storage node located at /data/somedir/images rather than /images, the only way to get the data to return was to either change this variable to the proper location on the fog server or create a symbolic link as /images on the system.
This same applied to other storage nodes. I fixed this issue by just performing a df on the systems proper directory thus limiting the reporting of the SPACE_DEFAULT_STORAGE unless it could not find information on the other nodes.
It didn’t moved, it never moved, just the means of obtaining the information changed.
