VI on LabVIEW real-time is loading and running a DLL which has been deleted from the machine

OK, this is a weird one (at least, to me :-)  )
I have a small real-time demo application VI that I am writing, using some new VIs I just created.  My new VIs are wrapper functions for a DLL, using Call Library Function Nodes.
In the process of debugging, I decided to delete the DLL and run without it, to confirm that I am actually loading and using the DLL (since it seemed to have stopped doing something it had successfully done just a little while earlier).
The VIs that use that DLL still run, and at least some of them actually do what they are supposed to do.  But the DLL does not exist on the real time machine!  Not only did I delete it, reboot the machine, and check that it was gone, but through my ftp program I searched the whole hard drive for that DLL and did not find it (the search succeeded in finding a different DLL which did exist on the system, so the search-via-ftp is working).
How could this happen?  What am I missing?  Could this somehow be the result of a corrupted VI or is there some more logical explanation for the phenomenon?
Thank you.
Batya

Nathan is right at least for the Phrlap ETS based RT systems. For VxWorks you have to (or maybe used to have) to download the shared library to the controller before you could deploy an executable that makes use of them. For Pharlap ETS systems if you deploy a VI library dynamically to a machine it will download everything including shared libraries to the the RT target memory and run it from there. Only if you create an executabel and "install" it to the target and run it from there will it use whatever VIs are in the executable and also use the shared libraries that have been installed onto that system (at least for Pharlap ETS RT targets. As mentioned before for VxWorks targets, the deploy process even for executable installation did for some reasons not take care about moving the according *.out library to the target together with the rtexe).
Rolf Kalbermatter
CIT Engineering Netherlands
a division of Test & Measurement Solutions

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