As I wrote below in a similar comment about Ceph, there is no global distributed metadata layer. If you want to rename a directory or a file, it is not an atomi

As I wrote below in a similar comment about Ceph, there is no global distributed metadata layer. If you want to rename a directory or a file, it is not an atomic metadata operation. It may involve copying across servers (bricks). Reference: http://www.admin-magazine.com/Articles/Comparing-Ceph-and-GlusterFS/(offset)/9 http://www.admin-magazine.com/Articles/Comparing-Ceph-and-Gl...