hosts fail cephadm check ceph分布式存告警

admin

health: HEALTH_WARN
            1 hosts fail cephadm check
  A# q( e) p: E7 n  m% y( bCEPHADM_HOST_CHECK_FAILED: 1 hosts fail cephadm check
2 W+ V1 x; q/ ?' o' q8 ?& i# ceph health detail
HEALTH_WARN 1 hosts fail cephadm check
, r1 R" S0 f1 G/ B5 x& Q6 o3 {# w[WRN] CEPHADM_HOST_CHECK_FAILED: 1 hosts fail cephadm check
! a' `6 w" E3 ]3 Q: \2 h9 q    host gm268-1 failed check: Failed to connect to gm268-1 (gm268-1).
) r* A/ t! U; \/ v4 @8 f, ?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
+ q' I8 P+ A8 O& Z/ Z( y* w; W- z> ssh-copy-id -f -i ~/ceph.pub root@gm268-1
9 ]8 n9 T5 z, P2 c! b' D; ~3 W, K8 m
" B0 {+ H6 P$ s$ A% PTo check that the host is reachable:
6 `8 w; T. e* G( w! Z, L6 q/ A> ceph cephadm get-ssh-config > ssh_config
( U2 y0 f( i3 C! d/ X> 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
' H* T+ [2 Y  ^

( i0 b5 d( ~  S- u, m6 z

admin

[root@gm268-5 ~]# ceph cephadm check-host gm268-1
podman|docker (/usr/bin/podman) is present
systemctl is present
) ^, j9 q8 P4 N  tlvcreate is present
' |. A$ n+ q# a# l# s6 N' B- EUnit chronyd.service is enabled and running
Hostname "gm268-1" matches what is expected.
: n7 X, R$ f% PHost looks OK
+ `$ f( \5 X' D" g& ~gm268-1 (None) ok
[root@gm268-5 ~]# ceph cephadm check-host gm268-2
# K6 m5 h1 ]; |podman|docker (/usr/bin/podman) is present
systemctl is present
lvcreate is present
9 r! ]: L  L. k, c8 }. G4 [0 h3 xUnit chronyd.service is enabled and running
Hostname "gm268-2" matches what is expected.
9 E( H, p  y4 }, R  }& c! F' ~4 JHost looks OK
gm268-2 (None) ok
[root@gm268-5 ~]# ceph cephadm check-host gm268-3
podman|docker (/usr/bin/podman) is present
systemctl is present
3 J  R: o( |, p: J0 a% |( V/ K% Flvcreate is present
Unit chronyd.service is enabled and running
, a; B3 C4 M8 X7 @8 q5 \! {Hostname "gm268-3" matches what is expected.
Host looks OK
9 x) b4 Y2 [3 ]$ Lgm268-3 (None) ok
3 L4 j4 z2 d  d

admin

[root@gm268-1 lib64]# ceph -s
  cluster:
    id:     ce68aab8-8f46-11ed-88c0-ac1f6b3a30b9
    health: HEALTH_OK
+ E  e0 [! U% W  Y
$ L5 r+ D/ z) R  services:
& |5 g1 u1 B# j    mon: 3 daemons, quorum gm268-1,gm268-2,gm268-3 (age 11m)
+ C( c0 N4 |4 K! G    mgr: gm268-2.zttohs(active, since 3w), standbys: gm268-3.sjagqo, gm268-1.jgdvxs
1 N6 A/ F( v3 r    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% g) W6 e& s+ K% W1 G
  data:
: u; D' R9 N3 j! m3 F  T' D    pools:   3 pools, 9217 pgs
    objects: 10.14M objects, 14 TiB
: i1 |5 U3 r) \2 d: k    usage:   28 TiB used, 569 TiB / 597 TiB avail
    pgs:     1026683/20286478 objects misplaced (5.061%)
             8207 active+clean
             958  active+remapped+backfill_wait
             52   active+remapped+backfilling

% q6 {% o# P- U. f' _  io:
+ ^4 y0 T! P+ H, w( |3 B    recovery: 735 MiB/s, 14 keys/s, 484 objects/s

+ H( e0 J0 D, q: i. s: f" V! f[root@gm268-1 lib64]# ceph cephadm check-host gm268-1
6 L" T% t5 u/ ypodman|docker (/usr/bin/podman) is present
, c; U3 O1 c) hsystemctl is present
( p% W2 p4 F! Llvcreate is present
Unit chronyd.service is enabled and running
Hostname "gm268-1" matches what is expected.
0 Q; S" y3 }* p/ ?5 Z- x+ jHost looks OK
gm268-1 (None) ok
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