2016-06-01 16:05:57.825257 7fd7232e88c0  0 ceph version 10.2.0 (3a9fba20ec743699b69bd0181dd6c54dc01c64b9), process ceph-osd, pid 4312
2016-06-01 16:05:57.825678 7fd7232e88c0  0 pidfile_write: ignore empty --pid-file
2016-06-01 16:05:57.833518 7fd7232e88c0  0 filestore(/var/lib/ceph/osd/ceph-0) backend generic (magic 0xef53)
2016-06-01 16:05:57.833523 7fd7232e88c0 -1 filestore(/var/lib/ceph/osd/ceph-0) WARNING: max attr value size (1024) is smaller than osd_max_object_name_len (2048).  Your backend filesystem appears to not support attrs large enough to handle the configured max rados name size.  You may get unexpected ENAMETOOLONG errors on rados operations or buggy behavior
2016-06-01 16:05:57.833767 7fd7232e88c0  0 genericfilestorebackend(/var/lib/ceph/osd/ceph-0) detect_features: FIEMAP ioctl is disabled via 'filestore fiemap' config option
2016-06-01 16:05:57.833772 7fd7232e88c0  0 genericfilestorebackend(/var/lib/ceph/osd/ceph-0) detect_features: SEEK_DATA/SEEK_HOLE is disabled via 'filestore seek data hole' config option
2016-06-01 16:05:57.833784 7fd7232e88c0  0 genericfilestorebackend(/var/lib/ceph/osd/ceph-0) detect_features: splice is supported
2016-06-01 16:05:57.836441 7fd7232e88c0  0 genericfilestorebackend(/var/lib/ceph/osd/ceph-0) detect_features: syncfs(2) syscall fully supported (by glibc and kernel)
2016-06-01 16:05:57.838943 7fd7232e88c0  0 filestore(/var/lib/ceph/osd/ceph-0) limited size xattrs
2016-06-01 16:05:57.839288 7fd7232e88c0  1 leveldb: Recovering log #134
2016-06-01 16:05:57.841195 7fd7232e88c0  1 leveldb: Delete type=0 #134

2016-06-01 16:05:57.841222 7fd7232e88c0  1 leveldb: Delete type=3 #133

2016-06-01 16:05:57.841324 7fd7232e88c0  0 filestore(/var/lib/ceph/osd/ceph-0) mount: enabling WRITEAHEAD journal mode: checkpoint is not enabled
2016-06-01 16:05:57.841421 7fd7232e88c0 -1 journal FileJournal::_open: disabling aio for non-block journal.  Use journal_force_aio to force use of aio anyway
2016-06-01 16:05:57.841423 7fd7232e88c0  1 journal _open /var/lib/ceph/osd/ceph-0/journal fd 18: 5368709120 bytes, block size 4096 bytes, directio = 1, aio = 0
2016-06-01 16:05:57.842703 7fd7232e88c0  1 journal _open /var/lib/ceph/osd/ceph-0/journal fd 18: 5368709120 bytes, block size 4096 bytes, directio = 1, aio = 0
2016-06-01 16:05:57.842882 7fd7232e88c0  1 filestore(/var/lib/ceph/osd/ceph-0) upgrade
2016-06-01 16:05:57.843015 7fd7232e88c0 -1 osd.0 0 backend (filestore) is unable to support max object name[space] len
2016-06-01 16:05:57.843022 7fd7232e88c0 -1 osd.0 0    osd max object name len = 2048
2016-06-01 16:05:57.843023 7fd7232e88c0 -1 osd.0 0    osd max object namespace len = 256
2016-06-01 16:05:57.843024 7fd7232e88c0 -1 osd.0 0 (36) File name too long
2016-06-01 16:05:57.843201 7fd7232e88c0  1 journal close /var/lib/ceph/osd/ceph-0/journal
2016-06-01 16:05:57.843534 7fd7232e88c0 -1 ^[[0;31m ** ERROR: osd init failed: (36) File name too long^[[0m
2016-06-01 16:05:58.306791 7f46431618c0  0 set uid:gid to 1001:1001 (ceph:ceph)
2016-06-01 16:05:58.306817 7f46431618c0  0 ceph version 10.2.0 (3a9fba20ec743699b69bd0181dd6c54dc01c64b9), process ceph-osd, pid 4389
2016-06-01 16:05:58.307338 7f46431618c0  0 pidfile_write: ignore empty --pid-file
2016-06-01 16:05:58.315761 7f46431618c0  0 filestore(/var/lib/ceph/osd/ceph-0) backend generic (magic 0xef53)
2016-06-01 16:05:58.315766 7f46431618c0 -1 filestore(/var/lib/ceph/osd/ceph-0) WARNING: max attr value size (1024) is smaller than osd_max_object_name_len (2048).  Your backend filesystem appears to not support attrs large enough to handle the configured max rados name size.  You may get unexpected ENAMETOOLONG errors on rados operations or buggy behavior
2016-06-01 16:05:58.316195 7f46431618c0  0 genericfilestorebackend(/var/lib/ceph/osd/ceph-0) detect_features: FIEMAP ioctl is disabled via 'filestore fiemap' config option
2016-06-01 16:05:58.316202 7f46431618c0  0 genericfilestorebackend(/var/lib/ceph/osd/ceph-0) detect_features: SEEK_DATA/SEEK_HOLE is disabled via 'filestore seek data hole' config option
2016-06-01 16:05:58.316219 7f46431618c0  0 genericfilestorebackend(/var/lib/ceph/osd/ceph-0) detect_features: splice is supported
2016-06-01 16:05:58.319756 7f46431618c0  0 genericfilestorebackend(/var/lib/ceph/osd/ceph-0) detect_features: syncfs(2) syscall fully supported (by glibc and kernel)
2016-06-01 16:05:58.321889 7f46431618c0  0 filestore(/var/lib/ceph/osd/ceph-0) limited size xattrs
2016-06-01 16:05:58.322256 7f46431618c0  1 leveldb: Recovering log #136
2016-06-01 16:05:58.324220 7f46431618c0  1 leveldb: Delete type=0 #136

2016-06-01 16:05:58.324249 7f46431618c0  1 leveldb: Delete type=3 #135

2016-06-01 16:05:58.324360 7f46431618c0  0 filestore(/var/lib/ceph/osd/ceph-0) mount: enabling WRITEAHEAD journal mode: checkpoint is not enabled
2016-06-01 16:05:58.324468 7f46431618c0 -1 journal FileJournal::_open: disabling aio for non-block journal.  Use journal_force_aio to force use of aio anyway
2016-06-01 16:05:58.324470 7f46431618c0  1 journal _open /var/lib/ceph/osd/ceph-0/journal fd 18: 5368709120 bytes, block size 4096 bytes, directio = 1, aio = 0
2016-06-01 16:05:58.325541 7f46431618c0  1 journal _open /var/lib/ceph/osd/ceph-0/journal fd 18: 5368709120 bytes, block size 4096 bytes, directio = 1, aio = 0
2016-06-01 16:05:58.325732 7f46431618c0  1 filestore(/var/lib/ceph/osd/ceph-0) upgrade
2016-06-01 16:05:58.325871 7f46431618c0 -1 osd.0 0 backend (filestore) is unable to support max object name[space] len
2016-06-01 16:05:58.325877 7f46431618c0 -1 osd.0 0    osd max object name len = 2048
2016-06-01 16:05:58.325878 7f46431618c0 -1 osd.0 0    osd max object namespace len = 256
2016-06-01 16:05:58.325879 7f46431618c0 -1 osd.0 0 (36) File name too long
2016-06-01 16:05:58.326132 7f46431618c0  1 journal close /var/lib/ceph/osd/ceph-0/journal
2016-06-01 16:05:58.326614 7f46431618c0 -1 ^[[0;31m ** ERROR: osd init failed: (36) File name too long^[[0m