hosts fail cephadm check ceph分布式存告警

admin

health: HEALTH_WARN
            1 hosts fail cephadm check
CEPHADM_HOST_CHECK_FAILED: 1 hosts fail cephadm check
1 K% W/ L6 ]1 z# B) |# 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).
# U% `5 Z2 U$ X9 ~Please make sure that the host is reachable and accepts connections using the cephadm SSH key
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; ^( y7 w& z  Z9 L6 v1 M0 CTo add the cephadm SSH key to the host:
> ceph cephadm get-pub-key > ~/ceph.pub
; }, S% _9 o  ]9 m/ z$ E% H> ssh-copy-id -f -i ~/ceph.pub root@gm268-1
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To check that the host is reachable:
> ceph cephadm get-ssh-config > ssh_config
& p" b; t3 O7 n9 \( A3 {" }> ceph config-key get mgr/cephadm/ssh_identity_key > ~/cephadm_private_key
  f- J+ @& T1 U4 D, x* s* C> chmod 0600 ~/cephadm_private_key
" P9 u) C2 |+ {' r' {0 t# u2 C> 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
, j: C+ Y/ B6 Ypodman|docker (/usr/bin/podman) is present
systemctl is present
lvcreate is present
: y* m4 W% s7 b1 yUnit chronyd.service is enabled and running
) ^  n9 j, y% D7 t( ?; DHostname "gm268-1" matches what is expected.
Host looks OK
gm268-1 (None) ok
[root@gm268-5 ~]# ceph cephadm check-host gm268-2
% e! `8 J+ K. h/ _3 Npodman|docker (/usr/bin/podman) is present
systemctl is present
lvcreate is present
Unit chronyd.service is enabled and running
7 F% _. x. B5 O/ P! t7 G& i" xHostname "gm268-2" matches what is expected.
3 C* Q, }0 K5 w9 v2 I8 x3 H4 OHost looks OK
" U% v0 N4 Q! t; D# Fgm268-2 (None) ok
5 e( R2 x5 G3 }3 k[root@gm268-5 ~]# ceph cephadm check-host gm268-3
' @; c2 l2 R  [5 jpodman|docker (/usr/bin/podman) is present
8 ]2 R% X2 P8 N+ `systemctl is present
5 o8 @. X) x) klvcreate is present
: `8 Y* T: \# U4 {4 t) M+ [9 dUnit chronyd.service is enabled and running
2 {% s6 H$ f) T& R0 V: FHostname "gm268-3" matches what is expected.
Host looks OK
gm268-3 (None) ok
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admin

[root@gm268-1 lib64]# ceph -s
( Q" {4 G9 k+ e5 O  cluster:
    id:     ce68aab8-8f46-11ed-88c0-ac1f6b3a30b9
    health: HEALTH_OK

  services:
7 x; J7 p3 C1 e% u1 A    mon: 3 daemons, quorum gm268-1,gm268-2,gm268-3 (age 11m)
/ P. z. _& j9 T& W6 j- W) d    mgr: gm268-2.zttohs(active, since 3w), standbys: gm268-3.sjagqo, gm268-1.jgdvxs
  N1 k# k, Y* g5 ^0 |5 V    mds: cephfs:1 {0=cephfs.gm268-2.xdsdoz=up:active} 2 up:standby
& d  x4 C! M) @0 \6 o: B    osd: 41 osds: 41 up (since 10m), 41 in (since 2w); 1008 remapped pgs
$ {; G+ l* s- O, m
: }/ r' A1 D' C6 P4 D% Y  data:
+ L; I/ P' `6 O0 d+ V    pools:   3 pools, 9217 pgs
: {5 m6 M6 G& R0 i- h" n9 Z4 p    objects: 10.14M objects, 14 TiB
" C% k2 @) E0 S6 _4 h+ f' L    usage:   28 TiB used, 569 TiB / 597 TiB avail
8 _# K6 Z+ [. h  o: [    pgs:     1026683/20286478 objects misplaced (5.061%)
             8207 active+clean
- C% y( _' V4 T3 M0 R* D; S             958  active+remapped+backfill_wait
             52   active+remapped+backfilling

2 l# o! ?+ W- J5 Q2 W. @  io:
& b: y5 k# m( K* `, D2 c# \( O; r    recovery: 735 MiB/s, 14 keys/s, 484 objects/s

[root@gm268-1 lib64]# ceph cephadm check-host gm268-1
3 a; e* o2 w, `/ M% p! H2 ]podman|docker (/usr/bin/podman) is present
systemctl is present
lvcreate is present
Unit chronyd.service is enabled and running
' z" B* ~' Z9 m5 q6 h3 RHostname "gm268-1" matches what is expected.
Host looks OK
. A0 B( \1 ~, v$ r- R& _/ xgm268-1 (None) ok
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