-3> 2013-09-03 11:50:58.926658 7fb2ea86d700  0 filestore(/data/osd.9)  error (39) Directory not empty not handled on operation 21 (93703172.0.2, or op 2, counting from 0)
    -2> 2013-09-03 11:50:58.926680 7fb2ea86d700  0 filestore(/data/osd.9) ENOTEMPTY suggests garbage data in osd data dir
    -1> 2013-09-03 11:50:58.926682 7fb2ea86d700  0 filestore(/data/osd.9)  transaction dump:
{ "ops": [
        { "op_num": 0,
          "op_name": "remove",
          "collection": "meta",
          "oid": "1fc97c6a\/pglog_2.363\/0\/\/-1"},
        { "op_num": 1,
          "op_name": "omap_rmkeys",
          "collection": "meta",
          "oid": "16ef7597\/infos\/head\/\/-1"},
        { "op_num": 2,
          "op_name": "rmcoll",
          "collection": "2.363_head"}]}
     0> 2013-09-03 11:50:58.990008 7fb2ea86d700 -1 os/FileStore.cc: In function 'unsigned int FileStore::_do_transaction(ObjectStore::Transaction&, uint64_t, int)' thread 7fb2ea86d700 time 2013-09-03 11:50:58.941397
os/FileStore.cc: 2815: FAILED assert(0 == "unexpected error")