hosts fail cephadm check ceph分布式存告警

admin

health: HEALTH_WARN
$ x4 A- X4 N4 c8 ~            1 hosts fail cephadm check
CEPHADM_HOST_CHECK_FAILED: 1 hosts fail cephadm check
$ X5 F- r) L) }0 Z& F3 B8 b" T# ceph health detail
/ i; r/ n# b! J( B( X; L6 gHEALTH_WARN 1 hosts fail cephadm check
[WRN] CEPHADM_HOST_CHECK_FAILED: 1 hosts fail cephadm check
9 x- k8 n/ p$ m8 N) l' M! h    host gm268-1 failed check: Failed to connect to gm268-1 (gm268-1).
8 U4 Z3 X. f0 H" a* _Please make sure that the host is reachable and accepts connections using the cephadm SSH key
( p7 E/ |; C0 ^7 H1 e- ]4 U
To add the cephadm SSH key to the host:
& r3 l5 w, O5 g* G3 {* \> ceph cephadm get-pub-key > ~/ceph.pub
3 r7 f3 C, G3 }+ f1 B, `> ssh-copy-id -f -i ~/ceph.pub root@gm268-1
7 S% a- r* X5 m6 U0 O2 g4 S6 f
To check that the host is reachable:
3 d- p' T( v! J) P5 w+ C; y4 E% z> ceph cephadm get-ssh-config > ssh_config
0 ^6 Y& ]. g. X2 l> 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
- f; ]) @* P1 a

7 k1 f& @. N  S) X5 c; h$ H5 @

admin

[root@gm268-5 ~]# ceph cephadm check-host gm268-1
" S1 G" B0 d  C! {podman|docker (/usr/bin/podman) is present
systemctl is present
( j$ G3 k, w1 t5 olvcreate is present
Unit chronyd.service is enabled and running
3 ]- I1 B1 G: O/ H9 |) SHostname "gm268-1" matches what is expected.
: R5 \  j( Z) X* tHost looks OK
gm268-1 (None) ok
/ Z5 A# G3 b% z% q% {% `. ~[root@gm268-5 ~]# ceph cephadm check-host gm268-2
5 w1 U. P& A2 Y5 W" A. a- v# q* ipodman|docker (/usr/bin/podman) is present
( o0 L" _- _. K7 N# j2 V) Dsystemctl 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
[root@gm268-5 ~]# ceph cephadm check-host gm268-3
1 J# A* g* S0 d( c& ~' U, gpodman|docker (/usr/bin/podman) is present
systemctl is present
lvcreate is present
- K- X9 I( `1 d' D( [4 T; _Unit chronyd.service is enabled and running
3 Q( d3 X7 @) H2 ^0 L- ~; aHostname "gm268-3" matches what is expected.
Host looks OK
! T7 {$ y$ p5 ngm268-3 (None) ok

admin

[root@gm268-1 lib64]# ceph -s
  cluster:
    id:     ce68aab8-8f46-11ed-88c0-ac1f6b3a30b9
    health: HEALTH_OK
  y! \  O4 g% |$ l" d, j  c
  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
+ m7 m" E% @: V' G    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
, j" s1 M9 Q' M8 S" x  r7 O
) h) a  Y8 M. \5 o2 x  data:
    pools:   3 pools, 9217 pgs
- h4 ^$ C! x% B+ y0 M    objects: 10.14M objects, 14 TiB
    usage:   28 TiB used, 569 TiB / 597 TiB avail
5 I1 p- J7 I; n: _    pgs:     1026683/20286478 objects misplaced (5.061%)
             8207 active+clean
             958  active+remapped+backfill_wait
0 Q& |$ ?8 ~0 S- g& h4 g& j             52   active+remapped+backfilling

  io:
    recovery: 735 MiB/s, 14 keys/s, 484 objects/s
# D, p; q: {( R8 m$ g  V) y; P  f
, l, S; a: D. ]' ]% m; j# _  {[root@gm268-1 lib64]# ceph cephadm check-host gm268-1
. f3 x' N5 K2 rpodman|docker (/usr/bin/podman) is present
: _5 p, [2 b! k( n. u8 Dsystemctl is present
lvcreate is present
# g1 N% U% q% vUnit chronyd.service is enabled and running
Hostname "gm268-1" matches what is expected.
Host looks OK
gm268-1 (None) ok