On Fri, May 25, 2018 at 6:46 AM, Oliver Freyermuth <freyermuth@xxxxxxxxxxxxxxxxxx> wrote: >> It might be possible to allow rename(2) to proceed in cases where >> nlink==1, but the behavior will probably seem inconsistent (some files get >> EXDEV, some don't). > > I believe even this would be extremely helpful, performance-wise. At least in our case, hardlinks are seldomly used, > it's more about data movement between user, group and scratch areas. > For files with nlinks>1, it's more or less expected a copy has to be performed when crossing quota boundaries (I think). It may be possible to allow the rename in the MDS and check quotas there. I've filed a tracker ticket here: http://tracker.ceph.com/issues/24305 -- Patrick Donnelly _______________________________________________ ceph-users mailing list ceph-users@xxxxxxxxxxxxxx http://lists.ceph.com/listinfo.cgi/ceph-users-ceph.com