I use Tahoe-LAFS for all of my distributed FS stuff, and I really do love it. One minor downside is that the introducer server is a SPOF, but they can be backed

I use Tahoe-LAFS for all of my distributed FS stuff, and I really do love it. One minor downside is that the introducer server is a SPOF, but they can be backed up/spun up and distributed introducers are on the roadmap for the next year.