http://www.theeldergeek.com/sizing_the_page_file.htm
Commit Charge (K) >>> Peak:
If your peak usage is > 1G, then you need more RAM to be able to operate in RAM.
to set 30 MB is to let OS to decide the RAM use dynamically, but all will be RAM operation.
please try this for few days, then you will know.
no any HD pagefile.