hosts fail cephadm check ceph分布式存告警

admin

health: HEALTH_WARN
4 X* Y9 W! ~' ^! M, @" d            1 hosts fail cephadm check
CEPHADM_HOST_CHECK_FAILED: 1 hosts fail cephadm check
- o; x/ O/ M. R9 ^  p# ceph health detail
HEALTH_WARN 1 hosts fail cephadm check
2 V. l4 T3 i% F0 _7 p# F[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:
> ceph cephadm get-pub-key > ~/ceph.pub
> ssh-copy-id -f -i ~/ceph.pub root@gm268-1
* K3 Z/ |# t$ I4 S# `0 ?: ?9 h
% b1 i; n! E" v  e- D* I+ D0 lTo check that the host is reachable:
' c! x& z* I8 a3 V9 v> ceph cephadm get-ssh-config > ssh_config
6 G+ I; o5 I9 t' @9 S> 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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4 Z) W$ ~$ T2 v  w

admin

[root@gm268-5 ~]# ceph cephadm check-host gm268-1
podman|docker (/usr/bin/podman) is present
systemctl is present
# [& g$ H7 M* z7 e1 Vlvcreate is present
Unit chronyd.service is enabled and running
Hostname "gm268-1" matches what is expected.
8 F! a$ b  p0 P% ^0 gHost looks OK
gm268-1 (None) ok
[root@gm268-5 ~]# ceph cephadm check-host gm268-2
: B2 z8 w2 _$ x  Y& O# @$ f+ D. }, Opodman|docker (/usr/bin/podman) is present
systemctl is present
lvcreate is present
Unit chronyd.service is enabled and running
Hostname "gm268-2" matches what is expected.
Host looks OK
gm268-2 (None) ok
1 g: i9 y- v; u. V[root@gm268-5 ~]# ceph cephadm check-host gm268-3
0 Z3 t+ z' H$ Z+ ~& _podman|docker (/usr/bin/podman) is present
- K( L9 W+ [7 _* B! B# D9 K2 ~; `systemctl is present
lvcreate is present
! e* G5 Q$ `: |6 ~Unit chronyd.service is enabled and running
Hostname "gm268-3" matches what is expected.
Host looks OK
gm268-3 (None) ok

admin

[root@gm268-1 lib64]# ceph -s
  cluster:
& i; [( {5 Z, _: S$ {/ w: W$ v    id:     ce68aab8-8f46-11ed-88c0-ac1f6b3a30b9
* C0 l( z7 z" d- W; [3 q6 y    health: HEALTH_OK
' v9 U( x' j- b7 f6 I! ?/ y
  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
4 v  U! r; o; j: V    mds: cephfs:1 {0=cephfs.gm268-2.xdsdoz=up:active} 2 up:standby
    osd: 41 osds: 41 up (since 10m), 41 in (since 2w); 1008 remapped pgs
# W, }% r7 J% Y
  data:
    pools:   3 pools, 9217 pgs
    objects: 10.14M objects, 14 TiB
) C& z( u1 A6 F+ t. w; a. @( v    usage:   28 TiB used, 569 TiB / 597 TiB avail
; Z( h- f3 U0 q6 o, I1 q    pgs:     1026683/20286478 objects misplaced (5.061%)
8 V! @9 p+ i+ Q4 e; B6 ]1 c             8207 active+clean
9 u, f7 J3 a7 F6 T. K5 n             958  active+remapped+backfill_wait
- z9 s, H( T* g( {  T2 u             52   active+remapped+backfilling

  io:
' `2 u; U9 N& T/ C. d, q    recovery: 735 MiB/s, 14 keys/s, 484 objects/s
9 Q1 E& u7 W# L$ @
+ ?5 t; ?! M4 q$ `* F[root@gm268-1 lib64]# ceph cephadm check-host gm268-1
8 n/ e1 A# k( wpodman|docker (/usr/bin/podman) is present
systemctl is present
# R' Y3 [- L( y% Q# ^lvcreate is present
3 R" `: W# r2 g/ Y3 `3 \Unit chronyd.service is enabled and running
Hostname "gm268-1" matches what is expected.
% U" V# o- m$ w5 s5 WHost looks OK
3 o1 Q. D0 [: igm268-1 (None) ok
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