In the meanwhile I find out why this happened.
For some reason the 3 osds was not marked out of the cluster as the other and this caused the cluster to not reassing PGs to other OSDs.
This is strange because I leaved the 3 osds down for two days.
> Il giorno 16 ott 2017, alle ore 10:21, Matteo Dacrema <mdacrema@xxxxxxxx> ha scritto:
>
> Hi all,
>
> I’m testing Ceph Luminous 12.2.1 installed with ceph ansible.
>
> Doing some failover tests I noticed that when I kill an osd or and hosts Ceph doesn’t recover automatically remaining in this state until I bring OSDs or host back online.
> I’ve 3 pools volumes, cephfs_data and cephfs_metadata with size 3 and min_size 1.
>
> Is there something I’m missing ?
>
> Below some cluster info.
>
> Thank you all
> Regards
>
> Matteo
>
>
> cluster:
> id: ab7cb890-ee21-484e-9290-14b9e5e85125
> health: HEALTH_WARN
> 3 osds down
> Degraded data redundancy: 2842/73686 objects degraded (3.857%), 318 pgs unclean, 318 pgs degraded, 318 pgs undersized
>
> services:
> mon: 3 daemons, quorum controller001,controller002,controller003
> mgr: controller001(active), standbys: controller002, controller003
> mds: cephfs-1/1/1 up {0=controller002=up:active}, 2 up:standby
> osd: 77 osds: 74 up, 77 in
>
> data:
> pools: 3 pools, 4112 pgs
> objects: 36843 objects, 142 GB
> usage: 470 GB used, 139 TB / 140 TB avail
> pgs: 2842/73686 objects degraded (3.857%)
> 3794 active+clean
> 318 active+undersized+degraded
>
>
> ID CLASS WEIGHT TYPE NAME STATUS REWEIGHT PRI-AFF
> -1 140.02425 root default
> -9 20.00346 host storage001
> 0 hdd 1.81850 osd.0 up 1.00000 1.00000
> 6 hdd 1.81850 osd.6 up 1.00000 1.00000
> 8 hdd 1.81850 osd.8 up 1.00000 1.00000
> 11 hdd 1.81850 osd.11 up 1.00000 1.00000
> 14 hdd 1.81850 osd.14 up 1.00000 1.00000
> 18 hdd 1.81850 osd.18 up 1.00000 1.00000
> 24 hdd 1.81850 osd.24 up 1.00000 1.00000
> 28 hdd 1.81850 osd.28 up 1.00000 1.00000
> 33 hdd 1.81850 osd.33 up 1.00000 1.00000
> 40 hdd 1.81850 osd.40 up 1.00000 1.00000
> 45 hdd 1.81850 osd.45 up 1.00000 1.00000
> -7 20.00346 host storage002
> 1 hdd 1.81850 osd.1 up 1.00000 1.00000
> 5 hdd 1.81850 osd.5 up 1.00000 1.00000
> 9 hdd 1.81850 osd.9 up 1.00000 1.00000
> 21 hdd 1.81850 osd.21 up 1.00000 1.00000
> 22 hdd 1.81850 osd.22 up 1.00000 1.00000
> 23 hdd 1.81850 osd.23 up 1.00000 1.00000
> 35 hdd 1.81850 osd.35 up 1.00000 1.00000
> 36 hdd 1.81850 osd.36 up 1.00000 1.00000
> 38 hdd 1.81850 osd.38 up 1.00000 1.00000
> 42 hdd 1.81850 osd.42 up 1.00000 1.00000
> 49 hdd 1.81850 osd.49 up 1.00000 1.00000
> -11 20.00346 host storage003
> 27 hdd 1.81850 osd.27 up 1.00000 1.00000
> 31 hdd 1.81850 osd.31 up 1.00000 1.00000
> 32 hdd 1.81850 osd.32 up 1.00000 1.00000
> 37 hdd 1.81850 osd.37 up 1.00000 1.00000
> 44 hdd 1.81850 osd.44 up 1.00000 1.00000
> 46 hdd 1.81850 osd.46 up 1.00000 1.00000
> 48 hdd 1.81850 osd.48 up 1.00000 1.00000
> 53 hdd 1.81850 osd.53 up 1.00000 1.00000
> 54 hdd 1.81850 osd.54 up 1.00000 1.00000
> 56 hdd 1.81850 osd.56 up 1.00000 1.00000
> 59 hdd 1.81850 osd.59 up 1.00000 1.00000
> -3 20.00346 host storage004
> 2 hdd 1.81850 osd.2 up 1.00000 1.00000
> 4 hdd 1.81850 osd.4 up 1.00000 1.00000
> 10 hdd 1.81850 osd.10 up 1.00000 1.00000
> 16 hdd 1.81850 osd.16 up 1.00000 1.00000
> 17 hdd 1.81850 osd.17 up 1.00000 1.00000
> 19 hdd 1.81850 osd.19 up 1.00000 1.00000
> 26 hdd 1.81850 osd.26 up 1.00000 1.00000
> 29 hdd 1.81850 osd.29 up 1.00000 1.00000
> 39 hdd 1.81850 osd.39 up 1.00000 1.00000
> 43 hdd 1.81850 osd.43 up 1.00000 1.00000
> 50 hdd 1.81850 osd.50 up 1.00000 1.00000
> -5 20.00346 host storage005
> 3 hdd 1.81850 osd.3 up 1.00000 1.00000
> 7 hdd 1.81850 osd.7 up 1.00000 1.00000
> 12 hdd 1.81850 osd.12 up 1.00000 1.00000
> 13 hdd 1.81850 osd.13 up 1.00000 1.00000
> 15 hdd 1.81850 osd.15 up 1.00000 1.00000
> 20 hdd 1.81850 osd.20 up 1.00000 1.00000
> 25 hdd 1.81850 osd.25 up 1.00000 1.00000
> 30 hdd 1.81850 osd.30 up 1.00000 1.00000
> 34 hdd 1.81850 osd.34 up 1.00000 1.00000
> 41 hdd 1.81850 osd.41 up 1.00000 1.00000
> 47 hdd 1.81850 osd.47 up 1.00000 1.00000
> -13 20.00346 host storage006
> 51 hdd 1.81850 osd.51 up 1.00000 1.00000
> 55 hdd 1.81850 osd.55 up 1.00000 1.00000
> 58 hdd 1.81850 osd.58 up 1.00000 1.00000
> 61 hdd 1.81850 osd.61 up 1.00000 1.00000
> 63 hdd 1.81850 osd.63 up 1.00000 1.00000
> 65 hdd 1.81850 osd.65 up 1.00000 1.00000
> 66 hdd 1.81850 osd.66 up 1.00000 1.00000
> 69 hdd 1.81850 osd.69 up 1.00000 1.00000
> 71 hdd 1.81850 osd.71 up 1.00000 1.00000
> 73 hdd 1.81850 osd.73 up 1.00000 1.00000
> 75 hdd 1.81850 osd.75 up 1.00000 1.00000
> -15 20.00346 host storage007
> 52 hdd 1.81850 osd.52 up 1.00000 1.00000
> 57 hdd 1.81850 osd.57 up 1.00000 1.00000
> 60 hdd 1.81850 osd.60 up 1.00000 1.00000
> 62 hdd 1.81850 osd.62 up 1.00000 1.00000
> 64 hdd 1.81850 osd.64 up 1.00000 1.00000
> 67 hdd 1.81850 osd.67 up 1.00000 1.00000
> 68 hdd 1.81850 osd.68 up 1.00000 1.00000
> 70 hdd 1.81850 osd.70 up 1.00000 1.00000
> 72 hdd 1.81850 osd.72 up 1.00000 1.00000
> 74 hdd 1.81850 osd.74 up 1.00000 1.00000
> 76 hdd 1.81850 osd.76 up 1.00000 1.00000
>
>
> # begin crush map
> tunable choose_local_tries 0
> tunable choose_local_fallback_tries 0
> tunable choose_total_tries 50
> tunable chooseleaf_descend_once 1
> tunable chooseleaf_vary_r 1
> tunable chooseleaf_stable 1
> tunable straw_calc_version 1
> tunable allowed_bucket_algs 54
>
> # devices
> device 0 osd.0 class hdd
> device 1 osd.1 class hdd
> device 2 osd.2 class hdd
> device 3 osd.3 class hdd
> device 4 osd.4 class hdd
> device 5 osd.5 class hdd
> device 6 osd.6 class hdd
> device 7 osd.7 class hdd
> device 8 osd.8 class hdd
> device 9 osd.9 class hdd
> device 10 osd.10 class hdd
> device 11 osd.11 class hdd
> device 12 osd.12 class hdd
> device 13 osd.13 class hdd
> device 14 osd.14 class hdd
> device 15 osd.15 class hdd
> device 16 osd.16 class hdd
> device 17 osd.17 class hdd
> device 18 osd.18 class hdd
> device 19 osd.19 class hdd
> device 20 osd.20 class hdd
> device 21 osd.21 class hdd
> device 22 osd.22 class hdd
> device 23 osd.23 class hdd
> device 24 osd.24 class hdd
> device 25 osd.25 class hdd
> device 26 osd.26 class hdd
> device 27 osd.27 class hdd
> device 28 osd.28 class hdd
> device 29 osd.29 class hdd
> device 30 osd.30 class hdd
> device 31 osd.31 class hdd
> device 32 osd.32 class hdd
> device 33 osd.33 class hdd
> device 34 osd.34 class hdd
> device 35 osd.35 class hdd
> device 36 osd.36 class hdd
> device 37 osd.37 class hdd
> device 38 osd.38 class hdd
> device 39 osd.39 class hdd
> device 40 osd.40 class hdd
> device 41 osd.41 class hdd
> device 42 osd.42 class hdd
> device 43 osd.43 class hdd
> device 44 osd.44 class hdd
> device 45 osd.45 class hdd
> device 46 osd.46 class hdd
> device 47 osd.47 class hdd
> device 48 osd.48 class hdd
> device 49 osd.49 class hdd
> device 50 osd.50 class hdd
> device 51 osd.51 class hdd
> device 52 osd.52 class hdd
> device 53 osd.53 class hdd
> device 54 osd.54 class hdd
> device 55 osd.55 class hdd
> device 56 osd.56 class hdd
> device 57 osd.57 class hdd
> device 58 osd.58 class hdd
> device 59 osd.59 class hdd
> device 60 osd.60 class hdd
> device 61 osd.61 class hdd
> device 62 osd.62 class hdd
> device 63 osd.63 class hdd
> device 64 osd.64 class hdd
> device 65 osd.65 class hdd
> device 66 osd.66 class hdd
> device 67 osd.67 class hdd
> device 68 osd.68 class hdd
> device 69 osd.69 class hdd
> device 70 osd.70 class hdd
> device 71 osd.71 class hdd
> device 72 osd.72 class hdd
> device 73 osd.73 class hdd
> device 74 osd.74 class hdd
> device 75 osd.75 class hdd
> device 76 osd.76 class hdd
>
> # types
> type 0 osd
> type 1 host
> type 2 chassis
> type 3 rack
> type 4 row
> type 5 pdu
> type 6 pod
> type 7 room
> type 8 datacenter
> type 9 region
> type 10 root
>
> # buckets
> host storage004 {
> id -3 # do not change unnecessarily
> id -4 class hdd # do not change unnecessarily
> # weight 20.003
> alg straw2
> hash 0 # rjenkins1
> item osd.2 weight 1.818
> item osd.4 weight 1.818
> item osd.10 weight 1.818
> item osd.16 weight 1.818
> item osd.17 weight 1.818
> item osd.19 weight 1.818
> item osd.26 weight 1.818
> item osd.29 weight 1.818
> item osd.39 weight 1.818
> item osd.43 weight 1.818
> item osd.50 weight 1.818
> }
> host storage005 {
> id -5 # do not change unnecessarily
> id -6 class hdd # do not change unnecessarily
> # weight 20.003
> alg straw2
> hash 0 # rjenkins1
> item osd.3 weight 1.818
> item osd.7 weight 1.818
> item osd.12 weight 1.818
> item osd.13 weight 1.818
> item osd.15 weight 1.818
> item osd.20 weight 1.818
> item osd.25 weight 1.818
> item osd.30 weight 1.818
> item osd.34 weight 1.818
> item osd.41 weight 1.818
> item osd.47 weight 1.818
> }
> host storage002 {
> id -7 # do not change unnecessarily
> id -8 class hdd # do not change unnecessarily
> # weight 20.003
> alg straw2
> hash 0 # rjenkins1
> item osd.1 weight 1.818
> item osd.5 weight 1.818
> item osd.9 weight 1.818
> item osd.21 weight 1.818
> item osd.22 weight 1.818
> item osd.23 weight 1.818
> item osd.35 weight 1.818
> item osd.36 weight 1.818
> item osd.38 weight 1.818
> item osd.42 weight 1.818
> item osd.49 weight 1.818
> }
> host storage001 {
> id -9 # do not change unnecessarily
> id -10 class hdd # do not change unnecessarily
> # weight 20.003
> alg straw2
> hash 0 # rjenkins1
> item osd.0 weight 1.818
> item osd.6 weight 1.818
> item osd.8 weight 1.818
> item osd.11 weight 1.818
> item osd.14 weight 1.818
> item osd.18 weight 1.818
> item osd.24 weight 1.818
> item osd.28 weight 1.818
> item osd.33 weight 1.818
> item osd.40 weight 1.818
> item osd.45 weight 1.818
> }
> host storage003 {
> id -11 # do not change unnecessarily
> id -12 class hdd # do not change unnecessarily
> # weight 20.003
> alg straw2
> hash 0 # rjenkins1
> item osd.27 weight 1.818
> item osd.31 weight 1.818
> item osd.32 weight 1.818
> item osd.37 weight 1.818
> item osd.44 weight 1.818
> item osd.46 weight 1.818
> item osd.48 weight 1.818
> item osd.54 weight 1.818
> item osd.53 weight 1.818
> item osd.59 weight 1.818
> item osd.56 weight 1.818
> }
> host storage006 {
> id -13 # do not change unnecessarily
> id -14 class hdd # do not change unnecessarily
> # weight 20.003
> alg straw2
> hash 0 # rjenkins1
> item osd.51 weight 1.818
> item osd.55 weight 1.818
> item osd.58 weight 1.818
> item osd.61 weight 1.818
> item osd.63 weight 1.818
> item osd.65 weight 1.818
> item osd.66 weight 1.818
> item osd.69 weight 1.818
> item osd.71 weight 1.818
> item osd.73 weight 1.818
> item osd.75 weight 1.818
> }
> host storage007 {
> id -15 # do not change unnecessarily
> id -16 class hdd # do not change unnecessarily
> # weight 20.003
> alg straw2
> hash 0 # rjenkins1
> item osd.52 weight 1.818
> item osd.57 weight 1.818
> item osd.60 weight 1.818
> item osd.62 weight 1.818
> item osd.64 weight 1.818
> item osd.67 weight 1.818
> item osd.70 weight 1.818
> item osd.68 weight 1.818
> item osd.72 weight 1.818
> item osd.74 weight 1.818
> item osd.76 weight 1.818
> }
> root default {
> id -1 # do not change unnecessarily
> id -2 class hdd # do not change unnecessarily
> # weight 140.024
> alg straw2
> hash 0 # rjenkins1
> item storage004 weight 20.003
> item storage005 weight 20.003
> item storage002 weight 20.003
> item storage001 weight 20.003
> item storage003 weight 20.003
> item storage006 weight 20.003
> item storage007 weight 20.003
> }
>
> # rules
> rule replicated_rule {
> id 0
> type replicated
> min_size 1
> max_size 10
> step take default
> step chooseleaf firstn 0 type host
> step emit
> }
>
> # end crush map
>
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