Hi, I've added 4 nvme hosts with 2osd/nvme to my cluster and it made al the ssd osds flapping I don't understand why. It is under the same root but 2 different device classes, nvme and ssd. The pools are on the ssd on the nvme nothing at the moment. The only way to bring back the ssd osds alive to shutdown the nvmes. The new nvme servers have 25GB nics the old servers and the mons have 10GB but in aggregated mode. This is the crush rule dump: [ { "rule_id": 0, "rule_name": "replicated_ssd", "ruleset": 0, "type": 1, "min_size": 1, "max_size": 10, "steps": [ { "op": "take", "item": -21, "item_name": "default~ssd" }, { "op": "chooseleaf_firstn", "num": 0, "type": "host" }, { "op": "emit" } ] }, { "rule_id": 1, "rule_name": "replicated_nvme", "ruleset": 1, "type": 1, "min_size": 1, "max_size": 10, "steps": [ { "op": "take", "item": -10, "item_name": "default~nvme" }, { "op": "chooseleaf_firstn", "num": 0, "type": "host" }, { "op": "emit" } ] } ] This is the osd tree ID CLASS WEIGHT TYPE NAME STATUS REWEIGHT PRI-AFF -19 561.15057 root default -1 38.03099 host server-2001 0 ssd 2.00000 osd.0 up 1.00000 1.00000 10 ssd 6.98499 osd.10 up 1.00000 1.00000 11 ssd 6.98599 osd.11 up 1.00000 1.00000 12 ssd 2.29799 osd.12 up 1.00000 1.00000 13 ssd 2.29799 osd.13 up 1.00000 1.00000 14 ssd 3.49300 osd.14 up 1.00000 1.00000 41 ssd 6.98499 osd.41 up 1.00000 1.00000 42 ssd 6.98599 osd.42 up 1.00000 1.00000 -3 38.03099 host server-2002 1 ssd 2.00000 osd.1 up 1.00000 1.00000 24 ssd 6.98499 osd.24 up 1.00000 1.00000 25 ssd 6.98599 osd.25 up 1.00000 1.00000 27 ssd 2.29799 osd.27 up 1.00000 1.00000 28 ssd 2.29799 osd.28 up 1.00000 1.00000 29 ssd 3.49300 osd.29 up 1.00000 1.00000 43 ssd 6.98499 osd.43 up 1.00000 1.00000 44 ssd 6.98599 osd.44 up 1.00000 1.00000 -6 38.03000 host server-2003 2 ssd 2.00000 osd.2 up 1.00000 1.00000 26 ssd 6.98499 osd.26 up 1.00000 1.00000 38 ssd 2.29999 osd.38 up 1.00000 1.00000 39 ssd 2.29500 osd.39 up 1.00000 1.00000 40 ssd 3.49300 osd.40 up 1.00000 1.00000 45 ssd 6.98499 osd.45 up 1.00000 1.00000 46 ssd 6.98599 osd.46 up 1.00000 1.00000 47 ssd 6.98599 osd.47 up 1.00000 1.00000 -17 111.76465 host server-2004 5 nvme 6.98529 osd.5 down 0 1.00000 9 nvme 6.98529 osd.9 down 0 1.00000 18 nvme 6.98529 osd.18 down 0 1.00000 22 nvme 6.98529 osd.22 down 0 1.00000 32 nvme 6.98529 osd.32 down 0 1.00000 36 nvme 6.98529 osd.36 down 0 1.00000 50 nvme 6.98529 osd.50 down 0 1.00000 54 nvme 6.98529 osd.54 down 0 1.00000 58 nvme 6.98529 osd.58 down 0 1.00000 62 nvme 6.98529 osd.62 down 0 1.00000 66 nvme 6.98529 osd.66 down 0 1.00000 70 nvme 6.98529 osd.70 down 0 1.00000 74 nvme 6.98529 osd.74 down 0 1.00000 78 nvme 6.98529 osd.78 down 0 1.00000 82 nvme 6.98529 osd.82 down 0 1.00000 86 nvme 6.98529 osd.86 down 0 1.00000 -14 111.76465 host server-2005 4 nvme 6.98529 osd.4 down 0 1.00000 8 nvme 6.98529 osd.8 down 0 1.00000 17 nvme 6.98529 osd.17 down 0 1.00000 21 nvme 6.98529 osd.21 down 0 1.00000 31 nvme 6.98529 osd.31 down 0 1.00000 35 nvme 6.98529 osd.35 down 0 1.00000 49 nvme 6.98529 osd.49 down 0 1.00000 53 nvme 6.98529 osd.53 down 0 1.00000 57 nvme 6.98529 osd.57 down 0 1.00000 61 nvme 6.98529 osd.61 down 0 1.00000 65 nvme 6.98529 osd.65 down 0 1.00000 69 nvme 6.98529 osd.69 down 0 1.00000 73 nvme 6.98529 osd.73 down 0 1.00000 77 nvme 6.98529 osd.77 down 0 1.00000 81 nvme 6.98529 osd.81 down 0 1.00000 85 nvme 6.98529 osd.85 down 0 1.00000 -22 111.76465 host server-2006 6 nvme 6.98529 osd.6 down 0 1.00000 15 nvme 6.98529 osd.15 down 0 1.00000 19 nvme 6.98529 osd.19 down 0 1.00000 23 nvme 6.98529 osd.23 down 0 1.00000 33 nvme 6.98529 osd.33 down 0 1.00000 37 nvme 6.98529 osd.37 down 0 1.00000 51 nvme 6.98529 osd.51 down 0 1.00000 55 nvme 6.98529 osd.55 down 0 1.00000 59 nvme 6.98529 osd.59 down 0 1.00000 63 nvme 6.98529 osd.63 up 0 1.00000 67 nvme 6.98529 osd.67 down 0 1.00000 71 nvme 6.98529 osd.71 up 0 1.00000 75 nvme 6.98529 osd.75 down 0 1.00000 79 nvme 6.98529 osd.79 down 0 1.00000 83 nvme 6.98529 osd.83 down 0 1.00000 87 nvme 6.98529 osd.87 down 0 1.00000 -11 111.76465 host server-2007 3 nvme 6.98529 osd.3 down 0 1.00000 7 nvme 6.98529 osd.7 down 0 1.00000 16 nvme 6.98529 osd.16 down 0 1.00000 20 nvme 6.98529 osd.20 down 0 1.00000 30 nvme 6.98529 osd.30 down 0 1.00000 34 nvme 6.98529 osd.34 down 0 1.00000 48 nvme 6.98529 osd.48 down 0 1.00000 52 nvme 6.98529 osd.52 down 0 1.00000 56 nvme 6.98529 osd.56 down 0 1.00000 60 nvme 6.98529 osd.60 down 0 1.00000 64 nvme 6.98529 osd.64 down 0 1.00000 68 nvme 6.98529 osd.68 down 0 1.00000 72 nvme 6.98529 osd.72 down 0 1.00000 76 nvme 6.98529 osd.76 down 0 1.00000 80 nvme 6.98529 osd.80 down 0 1.00000 84 nvme 6.98529 osd.84 down 0 1.00000 Pool info: pool 21 'dbs-realtime-staging-client' replicated size 3 min_size 1 crush_rule 0 object_hash rjenkins pg_num 32 pgp_num 32 autoscale_mode on last_change 27611 lfor 0/27512/27510 flags hashpspool,selfmanaged_snaps max_bytes 9999757606912 stripe_width 0 application rbd pool 24 'dbs-realtime-staging-w-financedb' replicated size 3 min_size 1 crush_rule 0 object_hash rjenkins pg_num 256 pgp_num 256 autoscale_mode on last_change 27613 flags hashpspool,selfmanaged_snaps max_bytes 19999515213824 stripe_width 0 application rbd pool 25 'dbs-realtime-staging-w-dstest' replicated size 3 min_size 1 crush_rule 0 object_hash rjenkins pg_num 32 pgp_num 32 autoscale_mode on last_change 27813 lfor 0/0/23856 flags hashpspool,selfmanaged_snaps max_bytes 99857989632 stripe_width 0 application rbd Istvan Szabo Senior Infrastructure Engineer --------------------------------------------------- Agoda Services Co., Ltd. e: istvan.szabo@agoda.com<mailto:istvan.szabo@agoda.com> --------------------------------------------------- ________________________________ This message is confidential and is for the sole use of the intended recipient(s). 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