But, do we know why Jumbo frames may have an impact on peering ? In our setup so far, we haven't enabled jumbo frames other than performance reason (if at all). Thanks & Regards Somnath -----Original Message----- From: ceph-users [mailto:ceph-users-bounces@xxxxxxxxxxxxxx] On Behalf Of Robert LeBlanc Sent: Tuesday, March 31, 2015 11:08 AM To: Sage Weil Cc: ceph-devel; Ceph-User Subject: Re: [ceph-users] Force an OSD to try to peer I was desperate for anything after exhausting every other possibility I could think of. Maybe I should put a checklist in the Ceph docs of things to look for. Thanks, On Tue, Mar 31, 2015 at 11:36 AM, Sage Weil <sage@xxxxxxxxxxxx> wrote: > On Tue, 31 Mar 2015, Robert LeBlanc wrote: >> Turns out jumbo frames was not set on all the switch ports. Once that >> was resolved the cluster quickly became healthy. > > I always hesitate to point the finger at the jumbo frames > configuration but almost every time that is the culprit! > > Thanks for the update. :) > sage > > > >> >> On Mon, Mar 30, 2015 at 8:15 PM, Robert LeBlanc <robert@xxxxxxxxxxxxx> wrote: >> > I've been working at this peering problem all day. I've done a lot >> > of testing at the network layer and I just don't believe that we >> > have a problem that would prevent OSDs from peering. When looking >> > though osd_debug 20/20 logs, it just doesn't look like the OSDs are >> > trying to peer. I don't know if it is because there are so many >> > outstanding creations or what. OSDs will peer with OSDs on other >> > hosts, but for reason only chooses a certain number and not one that it needs to finish the peering process. >> > >> > I've check: firewall, open files, number of threads allowed. These >> > usually have given me an error in the logs that helped me fix the problem. >> > >> > I can't find a configuration item that specifies how many peers an >> > OSD should contact or anything that would be artificially limiting >> > the peering connections. I've restarted the OSDs a number of times, >> > as well as rebooting the hosts. I beleive if the OSDs finish >> > peering everything will clear up. I can't find anything in pg query >> > that would help me figure out what is blocking it (peering blocked >> > by is empty). The PGs are scattered across all the hosts so we can't pin it down to a specific host. >> > >> > Any ideas on what to try would be appreciated. >> > >> > [ulhglive-root@ceph9 ~]# ceph --version ceph version 0.80.7 >> > (6c0127fcb58008793d3c8b62d925bc91963672a3) >> > [ulhglive-root@ceph9 ~]# ceph status >> > cluster 48de182b-5488-42bb-a6d2-62e8e47b435c >> > health HEALTH_WARN 1 pgs down; 1321 pgs peering; 1321 pgs >> > stuck inactive; 1321 pgs stuck unclean; too few pgs per osd (17 < min 20) >> > monmap e2: 3 mons at >> > {mon1=10.217.72.27:6789/0,mon2=10.217.72.28:6789/0,mon3=10.217.72.2 >> > 9:6789/0}, election epoch 30, quorum 0,1,2 mon1,mon2,mon3 >> > osdmap e704: 120 osds: 120 up, 120 in >> > pgmap v1895: 2048 pgs, 1 pools, 0 bytes data, 0 objects >> > 11447 MB used, 436 TB / 436 TB avail >> > 727 active+clean >> > 990 peering >> > 37 creating+peering >> > 1 down+peering >> > 290 remapped+peering >> > 3 creating+remapped+peering >> > >> > { "state": "peering", >> > "epoch": 707, >> > "up": [ >> > 40, >> > 92, >> > 48, >> > 91], >> > "acting": [ >> > 40, >> > 92, >> > 48, >> > 91], >> > "info": { "pgid": "7.171", >> > "last_update": "0'0", >> > "last_complete": "0'0", >> > "log_tail": "0'0", >> > "last_user_version": 0, >> > "last_backfill": "MAX", >> > "purged_snaps": "[]", >> > "history": { "epoch_created": 293, >> > "last_epoch_started": 343, >> > "last_epoch_clean": 343, >> > "last_epoch_split": 0, >> > "same_up_since": 688, >> > "same_interval_since": 688, >> > "same_primary_since": 608, >> > "last_scrub": "0'0", >> > "last_scrub_stamp": "2015-03-30 11:11:18.872851", >> > "last_deep_scrub": "0'0", >> > "last_deep_scrub_stamp": "2015-03-30 11:11:18.872851", >> > "last_clean_scrub_stamp": "0.000000"}, >> > "stats": { "version": "0'0", >> > "reported_seq": "326", >> > "reported_epoch": "707", >> > "state": "peering", >> > "last_fresh": "2015-03-30 20:10:39.509855", >> > "last_change": "2015-03-30 19:44:17.361601", >> > "last_active": "2015-03-30 11:37:56.956417", >> > "last_clean": "2015-03-30 11:37:56.956417", >> > "last_became_active": "0.000000", >> > "last_unstale": "2015-03-30 20:10:39.509855", >> > "mapping_epoch": 683, >> > "log_start": "0'0", >> > "ondisk_log_start": "0'0", >> > "created": 293, >> > "last_epoch_clean": 343, >> > "parent": "0.0", >> > "parent_split_bits": 0, >> > "last_scrub": "0'0", >> > "last_scrub_stamp": "2015-03-30 11:11:18.872851", >> > "last_deep_scrub": "0'0", >> > "last_deep_scrub_stamp": "2015-03-30 11:11:18.872851", >> > "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": [ >> > 40, >> > 92, >> > 48, >> > 91], >> > "acting": [ >> > 40, >> > 92, >> > 48, >> > 91], >> > "up_primary": 40, >> > "acting_primary": 40}, >> > "empty": 1, >> > "dne": 0, >> > "incomplete": 0, >> > "last_epoch_started": 348, >> > "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": [ >> > { "peer": "48", >> > "pgid": "7.171", >> > "last_update": "0'0", >> > "last_complete": "0'0", >> > "log_tail": "0'0", >> > "last_user_version": 0, >> > "last_backfill": "MAX", >> > "purged_snaps": "[]", >> > "history": { "epoch_created": 293, >> > "last_epoch_started": 343, >> > "last_epoch_clean": 343, >> > "last_epoch_split": 0, >> > "same_up_since": 688, >> > "same_interval_since": 688, >> > "same_primary_since": 608, >> > "last_scrub": "0'0", >> > "last_scrub_stamp": "2015-03-30 11:11:18.872851", >> > "last_deep_scrub": "0'0", >> > "last_deep_scrub_stamp": "2015-03-30 11:11:18.872851", >> > "last_clean_scrub_stamp": "0.000000"}, >> > "stats": { "version": "0'0", >> > "reported_seq": "24", >> > "reported_epoch": "348", >> > "state": "peering", >> > "last_fresh": "2015-03-30 11:39:02.979742", >> > "last_change": "2015-03-30 11:39:01.650897", >> > "last_active": "2015-03-30 11:37:56.956417", >> > "last_clean": "2015-03-30 11:37:56.956417", >> > "last_became_active": "0.000000", >> > "last_unstale": "2015-03-30 11:39:02.979742", >> > "mapping_epoch": 683, >> > "log_start": "0'0", >> > "ondisk_log_start": "0'0", >> > "created": 293, >> > "last_epoch_clean": 343, >> > "parent": "0.0", >> > "parent_split_bits": 0, >> > "last_scrub": "0'0", >> > "last_scrub_stamp": "2015-03-30 11:11:18.872851", >> > "last_deep_scrub": "0'0", >> > "last_deep_scrub_stamp": "2015-03-30 11:11:18.872851", >> > "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": [ >> > 40, >> > 92, >> > 48, >> > 91], >> > "acting": [ >> > 40, >> > 92, >> > 48, >> > 91], >> > "up_primary": 40, >> > "acting_primary": 40}, >> > "empty": 1, >> > "dne": 0, >> > "incomplete": 0, >> > "last_epoch_started": 348, >> > "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": "110", >> > "pgid": "7.171", >> > "last_update": "0'0", >> > "last_complete": "0'0", >> > "log_tail": "0'0", >> > "last_user_version": 0, >> > "last_backfill": "MAX", >> > "purged_snaps": "[]", >> > "history": { "epoch_created": 0, >> > "last_epoch_started": 0, >> > "last_epoch_clean": 0, >> > "last_epoch_split": 0, >> > "same_up_since": 0, >> > "same_interval_since": 0, >> > "same_primary_since": 0, >> > "last_scrub": "0'0", >> > "last_scrub_stamp": "0.000000", >> > "last_deep_scrub": "0'0", >> > "last_deep_scrub_stamp": "0.000000", >> > "last_clean_scrub_stamp": "0.000000"}, >> > "stats": { "version": "0'0", >> > "reported_seq": "0", >> > "reported_epoch": "0", >> > "state": "inactive", >> > "last_fresh": "0.000000", >> > "last_change": "0.000000", >> > "last_active": "0.000000", >> > "last_clean": "0.000000", >> > "last_became_active": "0.000000", >> > "last_unstale": "0.000000", >> > "mapping_epoch": 0, >> > "log_start": "0'0", >> > "ondisk_log_start": "0'0", >> > "created": 0, >> > "last_epoch_clean": 0, >> > "parent": "0.0", >> > "parent_split_bits": 0, >> > "last_scrub": "0'0", >> > "last_scrub_stamp": "0.000000", >> > "last_deep_scrub": "0'0", >> > "last_deep_scrub_stamp": "0.000000", >> > "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": [], >> > "acting": [], >> > "up_primary": -1, >> > "acting_primary": -1}, >> > "empty": 1, >> > "dne": 1, >> > "incomplete": 0, >> > "last_epoch_started": 0, >> > "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": []}}], >> > "recovery_state": [ >> > { "name": "Started\/Primary\/Peering\/GetInfo", >> > "enter_time": "2015-03-30 19:44:18.709317", >> > "requested_info_from": [ >> > { "osd": "0"}, >> > { "osd": "5"}, >> > { "osd": "10"}, >> > { "osd": "22"}, >> > { "osd": "54"}, >> > { "osd": "91"}, >> > { "osd": "92"}, >> > { "osd": "113"}, >> > { "osd": "114"}]}, >> > { "name": "Started\/Primary\/Peering", >> > "enter_time": "2015-03-30 19:44:18.709316", >> > "past_intervals": [ >> > { "first": 342, >> > "last": 346, >> > "maybe_went_rw": 1, >> > "up": [ >> > 40, >> > 92, >> > 114], >> > "acting": [ >> > 40, >> > 92, >> > 114, >> > 40, >> > 40]}, >> > { "first": 347, >> > "last": 353, >> > "maybe_went_rw": 1, >> > "up": [ >> > 40, >> > 92, >> > 48], >> > "acting": [ >> > 40, >> > 92, >> > 48, >> > 40, >> > 40]}, >> > { "first": 354, >> > "last": 356, >> > "maybe_went_rw": 1, >> > "up": [ >> > 92, >> > 48], >> > "acting": [ >> > 92, >> > 48, >> > 92, >> > 92]}, >> > { "first": 357, >> > "last": 359, >> > "maybe_went_rw": 1, >> > "up": [ >> > 113, >> > 48, >> > 114], >> > "acting": [ >> > 113, >> > 48, >> > 114, >> > 113, >> > 113]}, >> > { "first": 360, >> > "last": 361, >> > "maybe_went_rw": 1, >> > "up": [ >> > 40, >> > 92, >> > 48], >> > "acting": [ >> > 40, >> > 92, >> > 48, >> > 40, >> > 40]}, >> > { "first": 362, >> > "last": 364, >> > "maybe_went_rw": 1, >> > "up": [ >> > 40, >> > 92], >> > "acting": [ >> > 40, >> > 92, >> > 40, >> > 40]}, >> > { "first": 365, >> > "last": 369, >> > "maybe_went_rw": 1, >> > "up": [ >> > 40, >> > 92, >> > 114], >> > "acting": [ >> > 40, >> > 92, >> > 114, >> > 40, >> > 40]}, >> > { "first": 370, >> > "last": 379, >> > "maybe_went_rw": 1, >> > "up": [ >> > 40, >> > 92, >> > 48], >> > "acting": [ >> > 40, >> > 92, >> > 48, >> > 40, >> > 40]}, >> > { "first": 380, >> > "last": 400, >> > "maybe_went_rw": 1, >> > "up": [ >> > 40, >> > 92, >> > 48, >> > 91], >> > "acting": [ >> > 40, >> > 92, >> > 48, >> > 91, >> > 40, >> > 40]}, >> > { "first": 401, >> > "last": 409, >> > "maybe_went_rw": 1, >> > "up": [ >> > 92, >> > 48, >> > 91], >> > "acting": [ >> > 92, >> > 48, >> > 91, >> > 92, >> > 92]}, >> > { "first": 410, >> > "last": 414, >> > "maybe_went_rw": 1, >> > "up": [ >> > 113, >> > 48, >> > 114, >> > 0], >> > "acting": [ >> > 113, >> > 48, >> > 114, >> > 0, >> > 113, >> > 113]}, >> > { "first": 415, >> > "last": 435, >> > "maybe_went_rw": 1, >> > "up": [ >> > 113, >> > 48, >> > 114, >> > 10], >> > "acting": [ >> > 113, >> > 48, >> > 114, >> > 10, >> > 113, >> > 113]}, >> > { "first": 436, >> > "last": 442, >> > "maybe_went_rw": 1, >> > "up": [ >> > 40, >> > 92, >> > 48, >> > 91], >> > "acting": [ >> > 40, >> > 92, >> > 48, >> > 91, >> > 40, >> > 40]}, >> > { "first": 443, >> > "last": 446, >> > "maybe_went_rw": 1, >> > "up": [ >> > 40, >> > 92, >> > 48], >> > "acting": [ >> > 40, >> > 92, >> > 48, >> > 40, >> > 40]}, >> > { "first": 447, >> > "last": 457, >> > "maybe_went_rw": 1, >> > "up": [ >> > 40, >> > 48], >> > "acting": [ >> > 40, >> > 48, >> > 40, >> > 40]}, >> > { "first": 458, >> > "last": 460, >> > "maybe_went_rw": 1, >> > "up": [ >> > 40, >> > 48, >> > 10], >> > "acting": [ >> > 40, >> > 48, >> > 10, >> > 40, >> > 40]}, >> > { "first": 461, >> > "last": 466, >> > "maybe_went_rw": 1, >> > "up": [ >> > 40, >> > 48, >> > 22], >> > "acting": [ >> > 40, >> > 48, >> > 22, >> > 40, >> > 40]}, >> > { "first": 467, >> > "last": 478, >> > "maybe_went_rw": 1, >> > "up": [ >> > 40, >> > 48, >> > 22, >> > 5], >> > "acting": [ >> > 40, >> > 48, >> > 22, >> > 5, >> > 40, >> > 40]}, >> > { "first": 479, >> > "last": 489, >> > "maybe_went_rw": 1, >> > "up": [ >> > 40, >> > 48, >> > 22, >> > 110], >> > "acting": [ >> > 40, >> > 48, >> > 22, >> > 110, >> > 40, >> > 40]}, >> > { "first": 490, >> > "last": 496, >> > "maybe_went_rw": 1, >> > "up": [ >> > 40, >> > 48, >> > 22, >> > 0], >> > "acting": [ >> > 40, >> > 48, >> > 22, >> > 0, >> > 40, >> > 40]}, >> > { "first": 497, >> > "last": 507, >> > "maybe_went_rw": 1, >> > "up": [ >> > 40, >> > 48, >> > 114, >> > 10], >> > "acting": [ >> > 40, >> > 48, >> > 114, >> > 10, >> > 40, >> > 40]}, >> > { "first": 508, >> > "last": 511, >> > "maybe_went_rw": 1, >> > "up": [ >> > 40, >> > 48, >> > 54, >> > 91], >> > "acting": [ >> > 40, >> > 48, >> > 54, >> > 91, >> > 40, >> > 40]}, >> > { "first": 512, >> > "last": 579, >> > "maybe_went_rw": 1, >> > "up": [ >> > 40, >> > 92, >> > 48, >> > 91], >> > "acting": [ >> > 40, >> > 92, >> > 48, >> > 91, >> > 40, >> > 40]}, >> > { "first": 580, >> > "last": 580, >> > "maybe_went_rw": 0, >> > "up": [ >> > 40, >> > 92, >> > 91], >> > "acting": [ >> > 40, >> > 92, >> > 91, >> > 40, >> > 40]}, >> > { "first": 581, >> > "last": 591, >> > "maybe_went_rw": 1, >> > "up": [ >> > 92, >> > 91], >> > "acting": [ >> > 92, >> > 91, >> > 92, >> > 92]}, >> > { "first": 592, >> > "last": 595, >> > "maybe_went_rw": 1, >> > "up": [ >> > 113, >> > 114, >> > 22, >> > 0], >> > "acting": [ >> > 113, >> > 114, >> > 22, >> > 0, >> > 113, >> > 113]}, >> > { "first": 596, >> > "last": 599, >> > "maybe_went_rw": 1, >> > "up": [ >> > 113, >> > 48, >> > 114, >> > 10], >> > "acting": [ >> > 113, >> > 48, >> > 114, >> > 10, >> > 113, >> > 113]}, >> > { "first": 600, >> > "last": 606, >> > "maybe_went_rw": 1, >> > "up": [ >> > 40, >> > 92, >> > 48, >> > 91], >> > "acting": [ >> > 40, >> > 92, >> > 48, >> > 91, >> > 40, >> > 40]}, >> > { "first": 607, >> > "last": 607, >> > "maybe_went_rw": 0, >> > "up": [ >> > 92, >> > 91], >> > "acting": [ >> > 92, >> > 91, >> > 92, >> > 92]}, >> > { "first": 608, >> > "last": 616, >> > "maybe_went_rw": 1, >> > "up": [ >> > 40, >> > 92, >> > 48, >> > 91], >> > "acting": [ >> > 40, >> > 92, >> > 48, >> > 91, >> > 40, >> > 40]}, >> > { "first": 617, >> > "last": 625, >> > "maybe_went_rw": 1, >> > "up": [ >> > 40, >> > 92, >> > 91], >> > "acting": [ >> > 40, >> > 92, >> > 91, >> > 40, >> > 40]}, >> > { "first": 626, >> > "last": 632, >> > "maybe_went_rw": 1, >> > "up": [ >> > 40, >> > 92, >> > 114, >> > 10], >> > "acting": [ >> > 40, >> > 92, >> > 114, >> > 10, >> > 40, >> > 40]}, >> > { "first": 633, >> > "last": 639, >> > "maybe_went_rw": 1, >> > "up": [ >> > 40, >> > 92, >> > 48, >> > 91], >> > "acting": [ >> > 40, >> > 92, >> > 48, >> > 91, >> > 40, >> > 40]}, >> > { "first": 640, >> > "last": 643, >> > "maybe_went_rw": 1, >> > "up": [ >> > 40, >> > 92, >> > 91], >> > "acting": [ >> > 40, >> > 92, >> > 91, >> > 40, >> > 40]}, >> > { "first": 644, >> > "last": 662, >> > "maybe_went_rw": 1, >> > "up": [ >> > 40, >> > 92, >> > 114, >> > 10], >> > "acting": [ >> > 40, >> > 92, >> > 114, >> > 10, >> > 40, >> > 40]}, >> > { "first": 663, >> > "last": 679, >> > "maybe_went_rw": 1, >> > "up": [ >> > 40, >> > 92, >> > 48, >> > 91], >> > "acting": [ >> > 40, >> > 92, >> > 48, >> > 91, >> > 40, >> > 40]}, >> > { "first": 680, >> > "last": 682, >> > "maybe_went_rw": 1, >> > "up": [ >> > 40, >> > 92, >> > 48], >> > "acting": [ >> > 40, >> > 92, >> > 48, >> > 40, >> > 40]}, >> > { "first": 683, >> > "last": 687, >> > "maybe_went_rw": 1, >> > "up": [ >> > 40, >> > 92, >> > 48, >> > 10], >> > "acting": [ >> > 40, >> > 92, >> > 48, >> > 10, >> > 40, >> > 40]}], >> > "probing_osds": [ >> > "0", >> > "5", >> > "10", >> > "22", >> > "40", >> > "48", >> > "54", >> > "91", >> > "92", >> > "110", >> > "113", >> > "114"], >> > "down_osds_we_would_probe": [], >> > "peering_blocked_by": []}, >> > { "name": "Started", >> > "enter_time": "2015-03-30 19:44:18.709312"}], >> > "agent_state": {}} >> > >> -- >> To unsubscribe from this list: send the line "unsubscribe ceph-devel" >> in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo >> info at http://vger.kernel.org/majordomo-info.html >> >> _______________________________________________ ceph-users mailing list ceph-users@xxxxxxxxxxxxxx http://lists.ceph.com/listinfo.cgi/ceph-users-ceph.com ________________________________ PLEASE NOTE: The information contained in this electronic mail message is intended only for the use of the designated recipient(s) named above. 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