Agree with you. It seemed I made a mistake that only truncate expected size for clone op but not truncate size for clone_range op. We need to truncate dst file to expected length if ending with zero filled section. On Tue, Nov 25, 2014 at 11:30 AM, Samuel Just <sam.just@xxxxxxxxxxx> wrote: > I think the bug is actually with FileStore::_do_sparse_copy_range, > which isn't truncating out properly to create 0 filled sections. > -Sam > > On Mon, Nov 24, 2014 at 6:17 PM, Haomai Wang <haomaiwang@xxxxxxxxx> wrote: >> Oh, sorry. This series seemed that already backported... >> >> On Tue, Nov 25, 2014 at 10:14 AM, Haomai Wang <haomaiwang@xxxxxxxxx> wrote: >>> Backport this series(https://github.com/yuandong1222/ceph/commit/3f8fb85b341726ae7bb44b4c699707333cd63ccd) >>> and test again ? Or.... >>> >>> Actually, my up to ten ceph clusters open this option for nearly one year..... >>> >>> On Tue, Nov 25, 2014 at 10:05 AM, Sage Weil <sweil@xxxxxxxxxx> wrote: >>>> [dropping ceph-users] >>>> >>>> On Tue, 25 Nov 2014, Haomai Wang wrote: >>>>> It's surprised that the test machine run on a very new kernel but >>>>> occur this problem: >>>>> >>>>> plana 47 is 12.04.5 with kernel 3.18.0-rc6-ceph-00024-geb0e5fd >>>>> >>>>> plana 50 is 12.04.4 with kernel 3.17.0-rc6-ceph-00002-ge8acad6 >>>>> >>>>> Which local filesystem is ran on? >>>> >>>> This run was XFS. It looks like it returned a mapping for fewer bytes >>>> than it was asked for... 54548 turned into 53904. That's a bit >>>> disconcerting! Maybe teh issue is that the start offset wasn't aligned? >>>> >>>> sage >>>> >>>> >>>> >>>>> >>>>> On Tue, Nov 25, 2014 at 5:03 AM, Samuel Just <sam.just@xxxxxxxxxxx> wrote: >>>>> > Bug #10166 (http://tracker.ceph.com/issues/10166) can cause recovery >>>>> > to result in incorrect object sizes on giant if the setting 'filestore >>>>> > fiemap' is set to true. This setting is disabled by default. This >>>>> > should be fixed in a future point release, though filestore fiemap >>>>> > will probably continue to default to false. >>>>> > -Sam >>>>> > _______________________________________________ >>>>> > ceph-users mailing list >>>>> > ceph-users@xxxxxxxxxxxxxx >>>>> > http://lists.ceph.com/listinfo.cgi/ceph-users-ceph.com >>>>> >>>>> >>>>> >>>>> -- >>>>> Best Regards, >>>>> >>>>> Wheat >>>>> _______________________________________________ >>>>> ceph-users mailing list >>>>> ceph-users@xxxxxxxxxxxxxx >>>>> http://lists.ceph.com/listinfo.cgi/ceph-users-ceph.com >>>>> >>>>> >>> >>> >>> >>> -- >>> Best Regards, >>> >>> Wheat >> >> >> >> -- >> Best Regards, >> >> Wheat -- Best Regards, Wheat -- To unsubscribe from this list: send the line "unsubscribe ceph-devel" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
