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 <[email protected]> wrote: > Oh, sorry. This series seemed that already backported... > > On Tue, Nov 25, 2014 at 10:14 AM, Haomai Wang <[email protected]> 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 <[email protected]> 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 <[email protected]> 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 >>>> > [email protected] >>>> > http://lists.ceph.com/listinfo.cgi/ceph-users-ceph.com >>>> >>>> >>>> >>>> -- >>>> Best Regards, >>>> >>>> Wheat >>>> _______________________________________________ >>>> ceph-users mailing list >>>> [email protected] >>>> http://lists.ceph.com/listinfo.cgi/ceph-users-ceph.com >>>> >>>> >> >> >> >> -- >> Best Regards, >> >> Wheat > > > > -- > Best Regards, > > Wheat -- To unsubscribe from this list: send the line "unsubscribe ceph-devel" in the body of a message to [email protected] More majordomo info at http://vger.kernel.org/majordomo-info.html
