[ceph-users] Cephfs corruption(?) causing nfs-ganesha to "clients failing to respond to capability release" / "MDSs report slow requests"

Can it be that there is something wrong with the cephfs, that causes the nfs-ganesha to fail? I have the impression that when I do an rsync on only a specific nfs mount/cephfs tree. I am getting this error. All nfs mounts are inaccessible on that client. Other clients (with other mounts) are fine.