[root@ceph1 ~]# ceph pg 1.11 query

{ "state": "active+degraded",
  "up": [
        1],
  "acting": [
        1],
  "info": { "pgid": "1.11",
      "last_update": "39'21",
      "last_complete": "39'21",
      "log_tail": "0'0",
      "last_backfill": "MAX",
      "purged_snaps": "[]",
      "history": { "epoch_created": 1,
          "last_epoch_started": 93,
          "last_epoch_clean": 93,
          "last_epoch_split": 45,
          "same_up_since": 92,
          "same_interval_since": 92,
          "same_primary_since": 92,
          "last_scrub": "39'21",
          "last_scrub_stamp": "2012-10-11 09:26:03.651387"},
      "stats": { "version": "39'21",
          "reported": "92'103",
          "state": "active+degraded",
          "last_fresh": "2012-10-11 13:42:30.812429",
          "last_change": "2012-10-11 13:42:06.720063",
          "last_active": "2012-10-11 13:42:30.812429",
          "last_clean": "2012-10-11 09:25:30.240593",
          "last_unstale": "2012-10-11 13:42:30.812429",
          "mapping_epoch": 91,
          "log_start": "0'0",
          "ondisk_log_start": "0'0",
          "created": 1,
          "last_epoch_clean": 1,
          "parent": "0.0",
          "parent_split_bits": 0,
          "last_scrub": "39'21",
          "last_scrub_stamp": "2012-10-11 09:26:03.651387",
          "log_size": 2856,
          "ondisk_log_size": 2856,
          "stat_sum": { "num_bytes": 83425,
              "num_objects": 21,
              "num_object_clones": 0,
              "num_object_copies": 0,
              "num_objects_missing_on_primary": 0,
              "num_objects_degraded": 0,
              "num_objects_unfound": 0,
              "num_read": 0,
              "num_read_kb": 0,
              "num_write": 63,
              "num_write_kb": 93},
          "stat_cat_sum": {},
          "up": [
                1],
          "acting": [
                1]},
      "empty": 0,
      "dne": 0,
      "incomplete": 0},
  "recovery_state": [
        { "name": "Started\/Primary\/Active",
          "enter_time": "2012-10-11 13:42:06.720053",
          "might_have_unfound": [],
          "scrub": { "scrub_epoch_start": "0",
              "scrub_active": 0,
              "scrub_block_writes": 0,
              "finalizing_scrub": 0,
              "scrub_waiting_on": 0,
              "scrub_waiting_on_whom": []}},
        { "name": "Started",
          "enter_time": "2012-10-11 13:42:04.925575"}]}