ceph pg 2.63f query

{ "state": "active+degraded",
  "epoch": 5611,
  "up": [
        6],
  "acting": [
        6],
  "info": { "pgid": "2.63f",
      "last_update": "5596'52375",
      "last_complete": "5596'52375",
      "log_tail": "664'51374",
      "last_backfill": "MAX",
      "purged_snaps": "[1~5]",
      "history": { "epoch_created": 1,
          "last_epoch_started": 5607,
          "last_epoch_clean": 5607,
          "last_epoch_split": 0,
          "same_up_since": 5606,
          "same_interval_since": 5606,
          "same_primary_since": 5527,
          "last_scrub": "5596'52375",
          "last_scrub_stamp": "2013-03-08 03:12:00.639662",
          "last_deep_scrub": "318'29388",
          "last_deep_scrub_stamp": "2013-03-02 01:13:14.972246",
          "last_clean_scrub_stamp": "2013-03-08 03:12:00.639662"},
      "stats": { "version": "5596'52375",
          "reported": "5527'8879",
          "state": "active+degraded",
          "last_fresh": "2013-03-08 14:47:40.380011",
          "last_change": "2013-03-08 14:47:33.470394",
          "last_active": "2013-03-08 14:47:40.380011",
          "last_clean": "2013-03-08 12:46:25.725517",
          "last_unstale": "2013-03-08 14:47:40.380011",
          "mapping_epoch": 5583,
          "log_start": "664'51374",
          "ondisk_log_start": "664'51374",
          "created": 1,
          "last_epoch_clean": 1,
          "parent": "0.0",
          "parent_split_bits": 0,
          "last_scrub": "5596'52375",
          "last_scrub_stamp": "2013-03-08 03:12:00.639662",
          "last_deep_scrub": "318'29388",
          "last_deep_scrub_stamp": "2013-03-02 01:13:14.972246",
          "last_clean_scrub_stamp": "2013-03-08 03:12:00.639662",
          "log_size": 152715,
          "ondisk_log_size": 152715,
          "stats_invalid": "0",
          "stat_sum": { "num_bytes": 16352526352,
              "num_objects": 3900,
              "num_object_clones": 0,
              "num_object_copies": 0,
              "num_objects_missing_on_primary": 0,
              "num_objects_degraded": 0,
              "num_objects_unfound": 0,
              "num_read": 17696,
              "num_read_kb": 0,
              "num_write": 53221,
              "num_write_kb": 31468113,
              "num_scrub_errors": 0,
              "num_objects_recovered": 7764,
              "num_bytes_recovered": 32556105760,
              "num_keys_recovered": 0},
          "stat_cat_sum": {},
          "up": [
                6],
          "acting": [
                6]},
      "empty": 0,
      "dne": 0,
      "incomplete": 0,
      "last_epoch_started": 5607},
  "recovery_state": [
        { "name": "Started\/Primary\/Active",
          "enter_time": "2013-03-08 14:47:33.470084",
          "might_have_unfound": [],
          "recovery_progress": { "backfill_target": -1,
              "waiting_on_backfill": 0,
              "backfill_pos": "0\/\/0\/\/-1",
              "backfill_info": { "begin": "0\/\/0\/\/-1",
                  "end": "0\/\/0\/\/-1",
                  "objects": []},
              "peer_backfill_info": { "begin": "0\/\/0\/\/-1",
                  "end": "0\/\/0\/\/-1",
                  "objects": []},
              "backfills_in_flight": [],
              "pull_from_peer": [],
              "pushing": []},
          "scrub": { "scrubber.epoch_start": "5583",
              "scrubber.active": 0,
              "scrubber.block_writes": 0,
              "scrubber.finalizing": 0,
              "scrubber.waiting_on": 0,
              "scrubber.waiting_on_whom": []}},
        { "name": "Started",
          "enter_time": "2013-03-08 14:47:33.017965"}]}