I found some information in ceph.log that might help to find out what
happened. node2 was the one I rebooted:
2020-03-05 07:24:29.844953 osd.45 (osd.45) 483 : cluster [DBG] 36.323
scrub starts
2020-03-05 07:24:33.552221 osd.45 (osd.45) 484 : cluster [DBG] 36.323
scrub ok
2020-03-05 07:24:38.948404 mon.node2 (mon.0) 692706 : cluster [DBG]
osdmap e31855: 144 total, 144 up, 144 in
2020-03-05 07:24:39.969404 mon.node2 (mon.0) 692713 : cluster [DBG]
osdmap e31856: 144 total, 144 up, 144 in
2020-03-05 07:24:39.979238 mon.node2 (mon.0) 692714 : cluster [WRN]
Health check failed: 1 pools have many more objects per pg than average
(MANY_OBJECTS_PER_PG)
2020-03-05 07:24:40.533392 mon.node2 (mon.0) 692717 : cluster [DBG]
osdmap e31857: 144 total, 144 up, 144 in
2020-03-05 07:24:41.550395 mon.node2 (mon.0) 692728 : cluster [DBG]
osdmap e31858: 144 total, 144 up, 144 in
2020-03-05 07:24:41.598004 osd.127 (osd.127) 691 : cluster [DBG]
36.3eds0 starting backfill to osd.18(4) from (0'0,0'0] MAX to 31854'297918
2020-03-05 07:24:41.619293 osd.127 (osd.127) 692 : cluster [DBG]
36.3eds0 starting backfill to osd.49(5) from (0'0,0'0] MAX to 31854'297918
2020-03-05 07:24:41.631869 osd.127 (osd.127) 693 : cluster [DBG]
36.3eds0 starting backfill to osd.65(2) from (0'0,0'0] MAX to 31854'297918
2020-03-05 07:24:41.644089 osd.127 (osd.127) 694 : cluster [DBG]
36.3eds0 starting backfill to osd.97(3) from (0'0,0'0] MAX to 31854'297918
2020-03-05 07:24:41.656223 osd.127 (osd.127) 695 : cluster [DBG]
36.3eds0 starting backfill to osd.122(0) from (0'0,0'0] MAX to 31854'297918
2020-03-05 07:24:41.669265 osd.127 (osd.127) 696 : cluster [DBG]
36.3eds0 starting backfill to osd.134(1) from (0'0,0'0] MAX to 31854'297918
2020-03-05 07:24:41.582485 osd.69 (osd.69) 549 : cluster [DBG] 36.3fes0
starting backfill to osd.13(1) from (0'0,0'0] MAX to 31854'280018
2020-03-05 07:24:41.590541 osd.5 (osd.5) 349 : cluster [DBG] 36.3f2s0
starting backfill to osd.10(0) from (0'0,0'0] MAX to 31854'331157
2020-03-05 07:24:41.596496 osd.69 (osd.69) 550 : cluster [DBG] 36.3fes0
starting backfill to osd.25(5) from (0'0,0'0] MAX to 31854'280018
2020-03-05 07:24:41.601781 osd.86 (osd.86) 457 : cluster [DBG] 36.3ees0
starting backfill to osd.10(4) from (0'0,0'0] MAX to 31854'511090
2020-03-05 07:24:41.603864 osd.69 (osd.69) 551 : cluster [DBG] 36.3fes0
starting backfill to osd.58(2) from (0'0,0'0] MAX to 31854'280018
2020-03-05 07:24:41.610409 osd.69 (osd.69) 552 : cluster [DBG] 36.3fes0
starting backfill to osd.78(3) from (0'0,0'0] MAX to 31854'280018
2020-03-05 07:24:41.614494 osd.5 (osd.5) 350 : cluster [DBG] 36.3f2s0
starting backfill to osd.41(1) from (0'0,0'0] MAX to 31854'331157
2020-03-05 07:24:41.617208 osd.69 (osd.69) 553 : cluster [DBG] 36.3fes0
starting backfill to osd.99(0) from (0'0,0'0] MAX to 31854'280018
2020-03-05 07:24:41.622645 osd.86 (osd.86) 458 : cluster [DBG] 36.3ees0
starting backfill to osd.48(5) from (0'0,0'0] MAX to 31854'511090
2020-03-05 07:24:41.624049 osd.69 (osd.69) 554 : cluster [DBG] 36.3fes0
starting backfill to osd.121(4) from (0'0,0'0] MAX to 31854'280018
2020-03-05 07:24:41.625556 osd.5 (osd.5) 351 : cluster [DBG] 36.3f2s0
starting backfill to osd.61(3) from (0'0,0'0] MAX to 31854'331157
2020-03-05 07:24:41.631348 osd.86 (osd.86) 459 : cluster [DBG] 36.3ees0
starting backfill to osd.78(3) from (0'0,0'0] MAX to 31854'511090
2020-03-05 07:24:41.634572 osd.5 (osd.5) 352 : cluster [DBG] 36.3f2s0
starting backfill to osd.71(4) from (0'0,0'0] MAX to 31854'331157
2020-03-05 07:24:41.641651 osd.86 (osd.86) 460 : cluster [DBG] 36.3ees0
starting backfill to osd.90(0) from (0'0,0'0] MAX to 31854'511090
2020-03-05 07:24:41.644983 osd.5 (osd.5) 353 : cluster [DBG] 36.3f2s0
starting backfill to osd.122(5) from (0'0,0'0] MAX to 31854'331157
2020-03-05 07:24:41.649661 osd.86 (osd.86) 461 : cluster [DBG] 36.3ees0
starting backfill to osd.118(2) from (0'0,0'0] MAX to 31854'511090
2020-03-05 07:24:41.652407 osd.5 (osd.5) 354 : cluster [DBG] 36.3f2s0
starting backfill to osd.131(2) from (0'0,0'0] MAX to 31854'331157
2020-03-05 07:24:41.659823 osd.86 (osd.86) 462 : cluster [DBG] 36.3ees0
starting backfill to osd.139(1) from (0'0,0'0] MAX to 31854'511090
2020-03-05 07:24:42.055680 mon.node2 (mon.0) 692729 : cluster [INF]
osd.23 marked itself down
2020-03-05 07:24:42.055765 mon.node2 (mon.0) 692730 : cluster [INF]
osd.18 marked itself down
2020-03-05 07:24:42.055919 mon.node2 (mon.0) 692731 : cluster [INF]
osd.21 marked itself down
2020-03-05 07:24:42.056002 mon.node2 (mon.0) 692732 : cluster [INF]
osd.24 marked itself down
2020-03-05 07:24:42.056250 mon.node2 (mon.0) 692733 : cluster [INF]
osd.17 marked itself down
2020-03-05 07:24:42.058049 mon.node2 (mon.0) 692734 : cluster [INF]
osd.16 marked itself down
2020-03-05 07:24:42.064002 mon.node2 (mon.0) 692735 : cluster [INF]
osd.31 marked itself down
2020-03-05 07:24:42.069635 mon.node2 (mon.0) 692736 : cluster [INF]
osd.26 marked itself down
2020-03-05 07:24:42.075325 mon.node2 (mon.0) 692737 : cluster [INF]
osd.29 marked itself down
2020-03-05 07:24:42.080842 mon.node2 (mon.0) 692738 : cluster [INF]
osd.19 marked itself down
2020-03-05 07:24:42.086368 mon.node2 (mon.0) 692739 : cluster [INF]
osd.22 marked itself down
2020-03-05 07:24:42.091810 mon.node2 (mon.0) 692740 : cluster [INF]
osd.28 marked itself down
2020-03-05 07:24:42.125240 mon.node2 (mon.0) 692741 : cluster [INF]
osd.30 marked itself down
2020-03-05 07:24:42.125318 mon.node2 (mon.0) 692742 : cluster [INF]
osd.27 marked itself down
2020-03-05 07:24:42.177279 mon.node2 (mon.0) 692743 : cluster [INF]
osd.20 marked itself down
2020-03-05 07:24:42.189747 mon.node2 (mon.0) 692744 : cluster [INF]
osd.25 marked itself down
2020-03-05 07:24:42.567690 mon.node2 (mon.0) 692745 : cluster [WRN]
Health check failed: 16 osds down (OSD_DOWN)
2020-03-05 07:24:42.567743 mon.node2 (mon.0) 692746 : cluster [WRN]
Health check failed: 1 host (16 osds) down (OSD_HOST_DOWN)
2020-03-05 07:24:42.673270 mon.node2 (mon.0) 692747 : cluster [DBG]
osdmap e31859: 144 total, 128 up, 144 in
2020-03-05 07:24:41.577509 osd.122 (osd.122) 633 : cluster [DBG]
36.3f0s0 starting backfill to osd.15(0) from (0'0,0'0] MAX to 31854'314030
2020-03-05 07:24:41.588537 osd.94 (osd.94) 501 : cluster [DBG] 36.3eas0
starting backfill to osd.0(0) from (0'0,0'0] MAX to 31854'307657
2020-03-05 07:24:41.593430 osd.114 (osd.114) 633 : cluster [DBG]
36.3f3s0 starting backfill to osd.4(3) from (0'0,0'0] MAX to 31854'313629
2020-03-05 07:24:41.593977 osd.122 (osd.122) 634 : cluster [DBG]
36.3f0s0 starting backfill to osd.25(3) from (0'0,0'0] MAX to 31854'314030
2020-03-05 07:24:41.595369 osd.126 (osd.126) 559 : cluster [DBG]
36.3e7s0 starting backfill to osd.7(3) from (0'0,0'0] MAX to 31854'275181
2020-03-05 07:24:41.598564 osd.85 (osd.85) 473 : cluster [DBG] 36.3f5s0
starting backfill to osd.3(5) from (0'0,0'0] MAX to 31854'313436
....
Am 05.03.20 um 08:58 schrieb Rainer Krienke:
Hello,
at the moment my ceph is still working but in a degraded state after I
upgraded one (in 9) hosts from 14.2.7 to 14.2.8 and rebooting this host
(node2, one monitor in 3) after the upgrade.
Usually before rebooting I set
ceph osd set noout
ceph osd set nobackfill
ceph osd set norecover
before rebooting, but I fogot this time. After having realized my error
I thought, ok I forgot to set the flags but I configured
mon_osd_down_out_interval to 900sec:
# ceph config get mon.mon_osd_down_out_interval
WHO MASK LEVEL OPTION VALUE RO
mon advanced mon_osd_down_out_interval 900
The reboot took 5min so I expected nothing to happen. But it did and now
I do not understand why and if there are more timeout values I
could/should set to avoid this happening again if I ever should again
forget to set the noout , nobackfill, norecover flags prior to a reboot?
--
Rainer Krienke, Uni Koblenz, Rechenzentrum, A22, Universitaetsstrasse 1
56070 Koblenz, Tel: +49261287 1312 Fax +49261287 100 1312
Web: http://userpages.uni-koblenz.de/~krienke
PGP: http://userpages.uni-koblenz.de/~krienke/mypgp.html
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