Hi, our newly setup Lustre system with 2.5.1/ZFS on the server and 3.12 in-kernel client (a number of patches applied) occasionally shows the following type of errors on the servers. There seem to be no directly noticeable consequences though. Is this something to worry about? Mar 23 18:28:31 jaws kernel: [513636.382374] LustreError: 13911:0:(ofd_grant.c:169: ofd_grant_sanity_check()) ofd_statfs: tot_dirty 0 != fo_tot_dirty 786432 Mar 23 18:28:34 jaws kernel: [513639.606120] LustreError: 7292:0:(ofd_grant.c:169:o fd_grant_sanity_check()) ofd_destroy_export: tot_dirty 0 != fo_tot_dirty 786432 Mar 23 18:28:36 jaws kernel: [513641.390708] LustreError: 13911:0:(ofd_grant.c:169: ofd_grant_sanity_check()) ofd_statfs: tot_dirty 0 != fo_tot_dirty 786432 Mar 23 18:28:41 jaws kernel: [513646.401646] LustreError: 7459:0:(ofd_grant.c:169:o fd_grant_sanity_check()) ofd_statfs: tot_dirty 0 != fo_tot_dirty 786432 Mar 23 18:28:46 jaws kernel: [513651.411444] LustreError: 7459:0:(ofd_grant.c:169:o fd_grant_sanity_check()) ofd_statfs: tot_dirty 0 != fo_tot_dirty 786432 Mar 23 18:28:51 jaws kernel: [513656.419729] LustreError: 13911:0:(ofd_grant.c:169: ofd_grant_sanity_check()) ofd_statfs: tot_dirty 0 != fo_tot_dirty 786432 Mar 23 18:28:56 jaws kernel: [513661.428126] LustreError: 13911:0:(ofd_grant.c:163: ofd_grant_sanity_check()) ofd_statfs: tot_granted 107511808 != fo_tot_granted 8734670848 Thanks, Roland