Craig, Gregory,
my disks were a bit smaller than 10GB, I changed them with 20GB disks and the cluster's health went OK.
Thanks a lot
2014-12-10 0:08 GMT+01:00 Craig Lewis <clewis@xxxxxxxxxxxxxxxxxx>:
When I first created a test cluster, I used 1 GiB disks. That causes problems.Ceph has a CRUSH weight. By default, the weight is the size of the disk in TiB, truncated to 2 decimal places. ie, any disk smaller than 10 GiB will have a weight of 0.00.I increased all of my virtual disks to 10 GiB. After rebooting the nodes (to see the changes), everything healed.On Tue, Dec 9, 2014 at 9:45 AM, Gregory Farnum <greg@xxxxxxxxxxx> wrote:It looks like your OSDs all have weight zero for some reason. I'd fix that. :)
-GregOn Tue, Dec 9, 2014 at 6:24 AM Giuseppe Civitella <giuseppe.civitella@xxxxxxxxx> wrote:Hi,thanks for the quick answer.I did try the force_create_pg on a pg but is stuck on "creating":root@ceph-mon1:/home/ceph# ceph pg dump |grep creatingdumped all in format plain2.2f 0 0 0 0 0 0 0 creating 2014-12-09 13:11:37.384808 0'0 0:0 [] -1 [] -1 0'0 0.0000000'0 0.000000root@ceph-mon1:/home/ceph# ceph pg 2.2f query{ "state": "active+degraded","epoch": 105,"up": [0],"acting": [0],"actingbackfill": ["0"],"info": { "pgid": "2.2f","last_update": "0'0","last_complete": "0'0","log_tail": "0'0","last_user_version": 0,"last_backfill": "MAX","purged_snaps": "[]","last_scrub": "0'0","last_scrub_stamp": "2014-12-06 14:15:11.499769","last_deep_scrub": "0'0","last_deep_scrub_stamp": "2014-12-06 14:15:11.499769","last_clean_scrub_stamp": "0.000000","log_size": 0,"ondisk_log_size": 0,"stats_invalid": "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_degraded": 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},"stat_cat_sum": {},"up": [0],"acting": [0],"up_primary": 0,"acting_primary": 0},"empty": 1,"dne": 0,"incomplete": 0,"last_epoch_started": 104,"hit_set_history": { "current_last_update": "0'0","current_last_stamp": "0.000000","current_info": { "begin": "0.000000","end": "0.000000","version": "0'0"},"history": []}},"peer_info": [],"recovery_state": [{ "name": "Started\/Primary\/Active","enter_time": "2014-12-09 12:12:52.760384","might_have_unfound": [],"recovery_progress": { "backfill_targets": [],"waiting_on_backfill": [],"last_backfill_started": "0\/\/0\/\/-1","backfill_info": { "begin": "0\/\/0\/\/-1","end": "0\/\/0\/\/-1","objects": []},"peer_backfill_info": [],"backfills_in_flight": [],"recovering": [],"pg_backend": { "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": "2014-12-09 12:12:51.845686"}],"agent_state": {}}root@ceph-mon1:/home/ceph#2014-12-09 14:50 GMT+03:00 Giuseppe Civitella <giuseppe.civitella@xxxxxxxxx>:_______________________________________________Hi all,last week I installed a new ceph cluster on 3 vm running Ubuntu 14.04 with default kernel.There is a ceph monitor a two osd hosts. Here are some datails:ceph -scluster c46d5b02-dab1-40bf-8a3d-f8e4a77b79dahealth HEALTH_WARN 192 pgs degraded; 192 pgs stuck uncleanmonmap e1: 1 mons at {ceph-mon1=10.1.1.83:6789/0}, election epoch 1, quorum 0 ceph-mon1osdmap e83: 6 osds: 6 up, 6 inpgmap v231: 192 pgs, 3 pools, 0 bytes data, 0 objects207 MB used, 30446 MB / 30653 MB avail192 active+degradedroot@ceph-mon1:/home/ceph# ceph osd dumpepoch 99fsid c46d5b02-dab1-40bf-8a3d-f8e4a77b79dacreated 2014-12-06 13:15:06.418843modified 2014-12-09 11:38:04.353279flagspool 0 'data' replicated size 2 min_size 1 crush_ruleset 0 object_hash rjenkins pg_num 64 pgp_num 64 last_change 18 flags hashpspool crash_replay_interval 45 stripe_width 0pool 1 'metadata' replicated size 2 min_size 1 crush_ruleset 0 object_hash rjenkins pg_num 64 pgp_num 64 last_change 19 flags hashpspool stripe_width 0pool 2 'rbd' replicated size 2 min_size 1 crush_ruleset 0 object_hash rjenkins pg_num 64 pgp_num 64 last_change 20 flags hashpspool stripe_width 0max_osd 6osd.0 up in weight 1 up_from 90 up_thru 90 down_at 89 last_clean_interval [58,89) 10.1.1.84:6805/995 10.1.1.84:6806/4000995 10.1.1.84:6807/4000995 10.1.1.84:6808/4000995 exists,up e3895075-614d-48e2-b956-96e13dbd87feosd.1 up in weight 1 up_from 88 up_thru 0 down_at 87 last_clean_interval [8,87) 10.1.1.85:6800/23146 10.1.1.85:6815/7023146 10.1.1.85:6816/7023146 10.1.1.85:6817/7023146 exists,up 144bc6ee-2e3d-4118-a460-8cc2bb3ec3e8osd.2 up in weight 1 up_from 61 up_thru 0 down_at 60 last_clean_interval [11,60) 10.1.1.85:6805/26784 10.1.1.85:6802/5026784 10.1.1.85:6811/5026784 10.1.1.85:6812/5026784 exists,up 8d5c7108-ef11-4947-b28c-8e20371d6d78osd.3 up in weight 1 up_from 95 up_thru 0 down_at 94 last_clean_interval [57,94) 10.1.1.84:6800/810 10.1.1.84:6810/3000810 10.1.1.84:6811/3000810 10.1.1.84:6812/3000810 exists,up bd762b2d-f94c-4879-8865-cecd63895557osd.4 up in weight 1 up_from 97 up_thru 0 down_at 96 last_clean_interval [74,96) 10.1.1.84:6801/9304 10.1.1.84:6802/2009304 10.1.1.84:6803/2009304 10.1.1.84:6813/2009304 exists,up 7d28a54b-b474-4369-b958-9e6bf6c856aaosd.5 up in weight 1 up_from 99 up_thru 0 down_at 98 last_clean_interval [79,98) 10.1.1.85:6801/19513 10.1.1.85:6808/2019513 10.1.1.85:6810/2019513 10.1.1.85:6813/2019513 exists,up f4d76875-0e40-487c-a26d-320f8b8d60c5root@ceph-mon1:/home/ceph# ceph osd tree# id weight type name up/down reweight-1 0 root default-2 0 host ceph-osd10 0 osd.0 up 13 0 osd.3 up 14 0 osd.4 up 1-3 0 host ceph-osd21 0 osd.1 up 12 0 osd.2 up 15 0 osd.5 up 1Current HEALTH_WARN state says "192 active+degraded" since I rebooted an osd host. Previously it was "incomplete". It never reached a HEALTH_OK state.Any hint about what to do next to have an healthy cluster?
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