I've worked at a Swedish streaming company, we bought a filesystem from IBM called "GPFS" or something before it was renamed. Well we had shit performance, reliability and everything else that could be bad. It was running on FC switches recommended by IBM, config from IBM, everything from IBM and it was an absolute fucking joke, metadata timed out regularly and the solution was "deal with it". I think my superiors should've been harder claiming we haven't received what we bought but we're Swedish so we'd rather just fall over and die.