You could also just mute the warning until a fix is released.

ceph health mute OSD_UNREACHABLE 100d

Zitat von Björn Lässig <b.laes...@pengutronix.de>:

Hi,
 after upgrading from 18.2.4 to 18.2.5, I have the result
that the health status of all Ceph clusters that do not
use legacyIP is always HEALTH_ERR for no useful reason.

Do we get a new stable Release soon
(including https://github.com/ceph/ceph/pull/61323 )
or should i roleback to 18.2.4?

have a nice day
Björn Lässig

PS: attached is some output of the errors
--

  cluster:
    id:     <myclusterUUID>
    health: HEALTH_ERR
            44 osds(s) are not reachable
  services:
mon: 5 daemons, quorum marvin06,marvin08,cephmon1,cephmon3,cephmon2 (age 2d)
    mgr: cephmgr2.zvtgjh(active, since 2d), standbys: cephmgr1.sxadnq
    mds: 2/2 daemons up, 2 standby
    osd: 44 osds: 44 up (since 9h), 44 in (since 6M)

  data:
    volumes: 2/2 healthy
    pools:   7 pools, 1953 pgs
    objects: 6.51M objects, 17 TiB
    usage:   50 TiB used, 174 TiB / 224 TiB avail
    pgs:     1951 active+clean
             2    active+clean+scrubbing+deep


[root@ceph:~] # ceph health detail
[ERR] OSD_UNREACHABLE: 44 osds(s) are not reachable
    osd.0's public address is not in '2001:db8:0:2::/64' subnet
    [… every osd of this cluster …]
    osd.43's public address is not in '2001:db8:0:2::/64' subnet

but this is all false

[root@marvin09:~] 1 # ss -tlpne | grep ceph-<myclusterUUID>@osd.43.service | sed 's/users.*//'
LISTEN 0      512    [2001:db8:0:3:1d::3f]:6812          [::]:*
LISTEN 0      512    [2001:db8:0:3:1d::3f]:6813          [::]:*
LISTEN 0      512    [2001:db8:0:3:1d::3f]:6814          [::]:*
LISTEN 0      512    [2001:db8:0:3:1d::3f]:6815          [::]:*
LISTEN 0      512    [2001:db8:0:2:1d::3f]:6818          [::]:*
LISTEN 0      512    [2001:db8:0:2:1d::3f]:6819          [::]:*
LISTEN 0      512    [2001:db8:0:2:1d::3f]:6816          [::]:*
LISTEN 0      512    [2001:db8:0:2:1d::3f]:6817          [::]:*


[root@marvin09:~] # ceph config get osd.43 | grep public_network
global  advanced  public_network            2001:db8:0:2::/64  *
global  advanced  public_network_interface  rbdfenet           *
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