Thank you so much for that information. One clear problem I see is that there are no serial numbers for drives while the current code expects a unique one for each drive. If they were physical drives or from virtualbox, you would not have this problem. But this is legit usecase to support, perhaps a lot of users like to use Rockstor on VMWare.
We’ll fix this bug in the next release update (sometime within a week). Here’s the issue for this bug:
https://github.com/rockstor/rockstor-core/issues/545
I’ll update this discussion once the issue is resolved, but feel free to interact on github also.
Sorry that you are unable to use Rockstor until it’s fixed.