There was no locking (at least not necessarily), it was a shared resource that allowed programs on multiple computers to utilize together (also major use case f

There was no locking (at least not necessarily), it was a shared resource that allowed programs on multiple computers to utilize together (also major use case for RAMsan where I worked with them - it was not about not being able to add memory, it was about common fast quorum and cache between multiple maxed out database servers)