Deal all:
I have a ceph cluste with a pool named vms . size 1. 150 osds, 1024pgs. Bluestore.
Some pg located at osd.74. eg: pg 10.71
I do such steps:
1. stop osd.74.
2. I make a backup with ceph-objectsstore-tool --data-path /var/lib/ceph/osd/ceph-74 –type bluestore -op export –file 10.71.pgdata
3. the disk of osd.74 is destroyed by mistake. So the osd.74 is lost.
4. I reweight osd.74 to 0 by ceph osd crush reweight osd.74 0
5. the cluster begin recovery.
6. this pg 10.71 state is down
7. ceph pg query 10.71 show that acting [72], up [72] but peer blocked by osd.74. detail is below.
How can I rebuild the pg by my backup datafile 10.71.pgdata
{
"state": "down",
"snap_trimq": "[]",
"snap_trimq_len": 0,
"epoch": 119206,
"up": [
72
],
"acting": [
72
],
"info": {
"pgid": "10.a9",
"last_update": "108634'240572",
"last_complete": "108634'240572",
"log_tail": "86023'239072",
"last_user_version": 0,
"last_backfill": "MIN",
"last_backfill_bitwise": 1,
"purged_snaps": [
{
"start": "1",
"length": "14b"
}
],
"history": {
"epoch_created": 2011,
"epoch_pool_created": 2011,
"last_epoch_started": 119195,
"last_interval_started": 119194,
"last_epoch_clean": 119175,
"last_interval_clean": 119174,
"last_epoch_split": 75616,
"last_epoch_marked_full": 2513,
"same_up_since": 119189,
"same_interval_since": 119196,
"same_primary_since": 119196,
"last_scrub": "108634'240572",
"last_scrub_stamp": "2021-12-28 11:10:07.116683",
"last_deep_scrub": "108634'240570",
"last_deep_scrub_stamp": "2021-12-25 14:30:27.491912",
"last_clean_scrub_stamp": "2021-12-28 11:10:07.116683"
},
"stats": {
"version": "108634'240572",
"reported_seq": "17",
"reported_epoch": "119206",
"state": "down",
"last_fresh": "2022-01-07 15:41:10.709124",
"last_change": "2022-01-07 15:36:27.626528",
"last_active": "0.000000",
"last_peered": "0.000000",
"last_clean": "0.000000",
"last_became_active": "0.000000",
"last_became_peered": "0.000000",
"last_unstale": "2022-01-07 15:41:10.709124",
"last_undegraded": "2022-01-07 15:41:10.709124",
"last_fullsized": "2022-01-07 15:41:10.709124",
"mapping_epoch": 119196,
"log_start": "86023'239072",
"ondisk_log_start": "86023'239072",
"created": 2011,
"last_epoch_clean": 119175,
"parent": "0.0",
"parent_split_bits": 0,
"last_scrub": "108634'240572",
"last_scrub_stamp": "2021-12-28 11:10:07.116683",
"last_deep_scrub": "108634'240570",
"last_deep_scrub_stamp": "2021-12-25 14:30:27.491912",
"last_clean_scrub_stamp": "2021-12-28 11:10:07.116683",
"log_size": 1500,
"ondisk_log_size": 1500,
"stats_invalid": false,
"dirty_stats_invalid": false,
"omap_stats_invalid": false,
"hitset_stats_invalid": false,
"hitset_bytes_stats_invalid": false,
"pin_stats_invalid": false,
"snaptrimq_len": 0,
"stat_sum": {
"num_bytes": 0,
"num_objects": 0,
"num_object_clones": 0,
"num_object_copies": 0,
"num_objects_missing_on_primary": 0,
"num_objects_missing": 0,
"num_objects_degraded": 0,
"num_objects_misplaced": 0,
"num_objects_unfound": 0,
"num_objects_dirty": 0,
"num_whiteouts": 0,
"num_read": 0,
"num_read_kb": 0,
"num_write": 0,
"num_write_kb": 0,
"num_scrub_errors": 0,
"num_shallow_scrub_errors": 0,
"num_deep_scrub_errors": 0,
"num_objects_recovered": 0,
"num_bytes_recovered": 0,
"num_keys_recovered": 0,
"num_objects_omap": 0,
"num_objects_hit_set_archive": 0,
"num_bytes_hit_set_archive": 0,
"num_flush": 0,
"num_flush_kb": 0,
"num_evict": 0,
"num_evict_kb": 0,
"num_promote": 0,
"num_flush_mode_high": 0,
"num_flush_mode_low": 0,
"num_evict_mode_some": 0,
"num_evict_mode_full": 0,
"num_objects_pinned": 0,
"num_legacy_snapsets": 0,
"num_large_omap_objects": 0
},
"up": [
72
],
"acting": [
72
],
"blocked_by": [
74
],
"up_primary": 72,
"acting_primary": 72
},
"empty": 0,
"dne": 0,
"incomplete": 1,
"last_epoch_started": 119195,
"hit_set_history": {
"current_last_update": "0'0",
"history": []
}
},
"peer_info": [],
"recovery_state": [
{
"name": "Started/Primary/Peering/Down",
"enter_time": "2022-01-07 15:36:27.626517",
"comment": "not enough up instances of this PG to go active"
},
{
"name": "Started/Primary/Peering",
"enter_time": "2022-01-07 15:36:27.626466",
"past_intervals": [
{
"first": "119174",
"last": "119195",
"all_participants": [
{
"osd": 72
},
{
"osd": 74
}
],
"intervals": [
{
"first": "119189",
"last": "119193",
"acting": "72"
},
{
"first": "119194",
"last": "119195",
"acting": "74"
}
]
}
],
"probing_osds": [
"72"
],
"blocked": "peering is blocked due to down osds",
"down_osds_we_would_probe": [
74
],
"peering_blocked_by": [
{
"osd": 74,
"current_lost_at": 0,
"comment": "starting or marking this osd lost may let us proceed"
}
]
},
{
"name": "Started",
"enter_time": "2022-01-07 15:36:27.626413"
}
],
"agent_state": {}
}
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