> The issues with both random-access performance and fsck times vary a lot > according to *exactly* which version of each you're using. ?I'm in the same Yup, our tests recently were done directly to XFS using bonnie, iozone, fio, and tiobench on centos6, which is not using the most bleeding edge version of XFS by default. We're still using gluster 3.0.x so many of those benchmarking programs blow up just trying to start.