I gave up trying to get it to work. There is a sticky on the problem with possible fix but not for recent versions.
Are you referring to the firmware-dependant problem where if the volume size of a NAS (or SMB/CIFS Windows for that matter) share is too large, the camera will not successfully 'format' it?
That sticky is somewhat obsolete now as it's a firmware dependant hack.
What have you tried that did not work?
There was what I thought was quite an innovative approach for those with a low-end NAS that does not support quotas, nor the ability to create a volume of arbitrary size to share.
I need to find the original post so we can properly attribute the method - however, it was something like:
Create an empty file of a suitable size, say 200GB for the older firmware, with an .img extension. This can be done with 'dd'.
Create / format the file as a file system, eg ext2, ext3 This can be done with 'mkfs'
Mount the file system, add to fstab so it's permanent.
Offer the volume as a share.