hosts fail cephadm check ceph分布式存告警

admin

health: HEALTH_WARN
1 H1 w/ Z# h, e) }8 v: ?: ]+ J            1 hosts fail cephadm check
+ b/ U; v: \9 v# X/ rCEPHADM_HOST_CHECK_FAILED: 1 hosts fail cephadm check
# ?2 `) A% g6 l& f/ @# ceph health detail
HEALTH_WARN 1 hosts fail cephadm check
[WRN] CEPHADM_HOST_CHECK_FAILED: 1 hosts fail cephadm check
    host gm268-1 failed check: Failed to connect to gm268-1 (gm268-1).
Please make sure that the host is reachable and accepts connections using the cephadm SSH key

To add the cephadm SSH key to the host:
( |: N5 d' l4 c9 y( y+ S5 k. w* K! R> ceph cephadm get-pub-key > ~/ceph.pub
, X" [/ f* s1 F7 z> ssh-copy-id -f -i ~/ceph.pub root@gm268-1
' [6 a8 T( n) E7 _( h, z, W
, o, ?% L& D9 O+ }* bTo check that the host is reachable:
. E/ _% t/ t: p3 ?  q8 ~$ `> ceph cephadm get-ssh-config > ssh_config
8 v6 A% ]/ ~+ r2 Q> ceph config-key get mgr/cephadm/ssh_identity_key > ~/cephadm_private_key
> chmod 0600 ~/cephadm_private_key
> ssh -F ssh_config -i ~/cephadm_private_key root@gm268-1
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admin

[root@gm268-5 ~]# ceph cephadm check-host gm268-1
& w- r$ c3 X9 R$ H+ ?( Jpodman|docker (/usr/bin/podman) is present
systemctl is present
lvcreate is present
Unit chronyd.service is enabled and running
Hostname "gm268-1" matches what is expected.
7 ^& J1 s+ @! AHost looks OK
% a' J& E2 E0 sgm268-1 (None) ok
1 G1 a9 m. o2 `5 `5 T[root@gm268-5 ~]# ceph cephadm check-host gm268-2
podman|docker (/usr/bin/podman) is present
  Q/ ^$ ], g, a: R. L5 psystemctl is present
6 ?+ L3 y; G. z. s' F# [4 D, vlvcreate is present
9 D  I$ S3 k4 k2 {7 d3 oUnit chronyd.service is enabled and running
9 U' F2 r( S" ]/ x7 z& a& AHostname "gm268-2" matches what is expected.
, Y6 C9 E/ U) Y/ wHost looks OK
8 `3 x7 w+ x2 p# C0 m4 Xgm268-2 (None) ok
[root@gm268-5 ~]# ceph cephadm check-host gm268-3
podman|docker (/usr/bin/podman) is present
  O& p$ l, a1 `systemctl is present
6 L2 L& l: ^; I& z& J: Y; Clvcreate is present
Unit chronyd.service is enabled and running
) A- J* y1 a' L7 aHostname "gm268-3" matches what is expected.
Host looks OK
gm268-3 (None) ok

admin

[root@gm268-1 lib64]# ceph -s
  cluster:
    id:     ce68aab8-8f46-11ed-88c0-ac1f6b3a30b9
! P5 R4 v  S$ ]& _9 m' P3 c    health: HEALTH_OK
# y2 e1 `5 w; G
  services:
    mon: 3 daemons, quorum gm268-1,gm268-2,gm268-3 (age 11m)
    mgr: gm268-2.zttohs(active, since 3w), standbys: gm268-3.sjagqo, gm268-1.jgdvxs
    mds: cephfs:1 {0=cephfs.gm268-2.xdsdoz=up:active} 2 up:standby
* m7 y* G3 O3 ]8 @8 U    osd: 41 osds: 41 up (since 10m), 41 in (since 2w); 1008 remapped pgs

  data:
0 L3 f+ n/ T+ N- {6 ?    pools:   3 pools, 9217 pgs
    objects: 10.14M objects, 14 TiB
    usage:   28 TiB used, 569 TiB / 597 TiB avail
    pgs:     1026683/20286478 objects misplaced (5.061%)
. ?9 {2 g# N1 [             8207 active+clean
             958  active+remapped+backfill_wait
0 g  H9 _. p9 D- Q             52   active+remapped+backfilling
$ I) h7 H2 V3 x- s/ [
8 M$ h0 K4 S& L( \  io:
    recovery: 735 MiB/s, 14 keys/s, 484 objects/s
; Y, ~7 U  \8 n. q8 ?, ^
[root@gm268-1 lib64]# ceph cephadm check-host gm268-1
  z4 v3 ^5 A& H- k2 apodman|docker (/usr/bin/podman) is present
: j( W# x1 ?  ]( N4 lsystemctl is present
lvcreate is present
Unit chronyd.service is enabled and running
Hostname "gm268-1" matches what is expected.
Host looks OK
7 O+ X2 J6 }5 G+ u* V0 m- u* Tgm268-1 (None) ok
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