The question isn't whether reviewers are willing to accept non-Enlish documentation, the question is if people review stuff they don't know what it is nor what it can be used for. You need to spark some interest before you get some attention.
Next step is to make it as easy as possible for people to try the stuff out. High quality documentation that explains briefly how it works and how to get it working is crucial here. the shorter the better, as it in general means it's easier to setup.
In the case of distributes storage it should be made clear what problem is solved and what the advantages are compared to similar solutions, like distributed filesystems.
At this point you'll get people interested enough to help you with the code, either writing parts of it or reviewing it. Or at least a bunch of users.