"recovery_state": [
        { "name": "Started\/Primary\/Active",
          "enter_time": "2013-08-27 18:07:25.145796",
          "might_have_unfound": [
                { "osd": 9,
                  "status": "querying"},
                { "osd": 18,
                  "status": "querying"},
                { "osd": 50,
                  "status": "already probed"}],
          "recovery_progress": { "backfill_target": 50,
              "waiting_on_backfill": 0,
              "backfill_pos": "96220cfa\/10000799e82.00000000\/head\/\/0",
              "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": "0",
              "scrubber.active": 0,
              "scrubber.block_writes": 0,
              "scrubber.finalizing": 0,
              "scrubber.waiting_on": 0,
              "scrubber.waiting_on_whom": []}},