Hi,
Got 1 pg which does not fix and I dont know how to make it.
ceph version 0.67.4 (ad85b8bfafea6232d64cb7ba76a8b6e8252fa0c7)
# ceph health detail
HEALTH_WARN 1 pgs stuck unclean; recovery 23/4687006 degraded
(0.000%); 6 near full osd(s)
pg 4.2ab is stuck unclean for 172566.764239, current state
active+remapped, last acting [7,5]
recovery 23/4687006 degraded (0.000%)
osd.2 is near full at 87%
osd.3 is near full at 88%
osd.4 is near full at 85%
osd.5 is near full at 86%
osd.6 is near full at 87%
osd.9 is near full at 85%
# ceph osd dump
...
pool 4 'temp1' rep size 2 min_size 1 crush_ruleset 3 object_hash
rjenkins pg_num 1300 pgp_num 1300 last_change 7039 owner 0
removed_snaps [1~3]
...
pg_temp 4.2ab [7,5]
# ceph pg map 4.2ab
osdmap e7783 pg 4.2ab (4.2ab) -> up [7] acting [7,5]
# ceph pg 4.2ab query
{ "state": "active+remapped",
"epoch": 7783,
"up": [
7],
"acting": [
7,
5],
"info": { "pgid": "4.2ab",
"last_update": "7752'114660",
"last_complete": "7752'114660",
"log_tail": "6874'111659",
"last_backfill": "MAX",
"purged_snaps": "[1~3]",
"history": { "epoch_created": 452,
"last_epoch_started": 7651,
"last_epoch_clean": 7651,
"last_epoch_split": 0,
"same_up_since": 7493,
"same_interval_since": 7650,
"same_primary_since": 7650,
"last_scrub": "7387'114067",
"last_scrub_stamp": "2013-11-12 01:07:46.610491",
"last_deep_scrub": "6874'103266",
"last_deep_scrub_stamp": "2013-11-07 16:49:45.483581",
"last_clean_scrub_stamp": "2013-11-12 01:07:46.610491"},
"stats": { "version": "7752'114660",
"reported_seq": "5635118",
"reported_epoch": "7783",
"state": "active+remapped",
"last_fresh": "2013-11-14 10:18:22.181241",
"last_change": "2013-11-12 17:14:34.141441",
"last_active": "2013-11-14 10:18:22.181241",
"last_clean": "2013-11-12 14:01:01.947846",
"last_became_active": "0.000000",
"last_unstale": "2013-11-14 10:18:22.181241",
"mapping_epoch": 7502,
"log_start": "6874'111659",
"ondisk_log_start": "6874'111659",
"created": 452,
"last_epoch_clean": 7651,
"parent": "0.0",
"parent_split_bits": 0,
"last_scrub": "7387'114067",
"last_scrub_stamp": "2013-11-12 01:07:46.610491",
"last_deep_scrub": "6874'103266",
"last_deep_scrub_stamp": "2013-11-07 16:49:45.483581",
"last_clean_scrub_stamp": "2013-11-12 01:07:46.610491",
"log_size": 3001,
"ondisk_log_size": 3001,
"stats_invalid": "0",
"stat_sum": { "num_bytes": 9453961216,
"num_objects": 2254,
"num_object_clones": 0,
"num_object_copies": 0,
"num_objects_missing_on_primary": 0,
"num_objects_degraded": 0,
"num_objects_unfound": 0,
"num_read": 456340,
"num_read_kb": 1825360,
"num_write": 14004,
"num_write_kb": 6942720,
"num_scrub_errors": 0,
"num_shallow_scrub_errors": 0,
"num_deep_scrub_errors": 0,
"num_objects_recovered": 4732,
"num_bytes_recovered": 19847446528,
"num_keys_recovered": 0},
"stat_cat_sum": {},
"up": [
7],
"acting": [
7,
5]},
"empty": 0,
"dne": 0,
"incomplete": 0,
"last_epoch_started": 7651},
"recovery_state": [
{ "name": "Started\/Primary\/Active",
"enter_time": "2013-11-12 17:14:34.001382",
"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": "0",
"scrubber.active": 0,
"scrubber.block_writes": 0,
"scrubber.finalizing": 0,
"scrubber.waiting_on": 0,
"scrubber.waiting_on_whom": []}},
{ "name": "Started",
"enter_time": "2013-11-12 17:14:32.905963"}]}
I have set all my osds to osd_backfill_full_ratio 90, so they are not
blocking backfill because of this.
Seems that problem is in osd 5 or 7 which should hold the pg, but I
cached no related logs even after "ms 1"(lots of output, may be wrong
grepping).
Tried to scrub/deep-scrub this pg, but there seems no action going on
after I issue commands.
This state came after I had "full osd" and cluster blocked io. Then I
did some reweighting and cluster now sits at this state for a day
already.
Any ideas how to trigger fixing of this stuck active+remapped pg 4.2ab?
Ugis
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