Hi,
An even better idea (IMHO) would be to drop that whole video directory symlinking stuff altogether and say "If you want a large disk, use something like RAID or whatever". I was never a friend of this linking, and regret the day I agreed to implement it...
I am totally against dropping this functionality.
On server systems with multiple TB of storage it would be just brain dead to put all recordings on one large raid filesystem. A single error in the filesystem could kill all the recordings.
I only have 1 TB of storage on my server and absolutely no problem of just using one disk of 300 GB for recording. After recording I just cut the film and the result will be written on a server disk.