That output suggests that the mgr is configured to only listen on the
loopback address.
I don't think that's a default... does a `ceph config dump | grep mgr`
suggest it's been configured that way?
On 2022-10-10 10:56, Ackermann, Christoph wrote:
Hello list member
after subsequent installation of Ceph (17.2.4) monitoring stuff we got
this
error: The mgr/prometheus module at ceph1n020.int.infoserve.de:9283 is
unreachable ..... (and also for second prometheus module). Prometheus
module is activated indeed...
[root@ceph1n020 ~]# ss -ant |egrep "9095|9283"
*LISTEN 0 5 [::1]:9283
[::]:**
LISTEN 0 1024 *:9095
*:*
ESTAB 0 0 [::ffff:10.100.1.120]:9095
[::ffff:10.100.1.121]:41990
ESTAB 0 0 [::1]:44428
[::1]:9283
ESTAB 0 0 [::ffff:10.100.1.120]:9095
[::ffff:10.100.1.121]:41992
ESTAB 0 0 [::ffff:10.100.1.120]:9095
[::ffff:10.100.1.121]:42024
ESTAB 0 0 [::ffff:10.100.1.120]:9095
[::ffff:10.192.2.10]:58638
ESTAB 0 0 [::ffff:10.100.1.120]:9095
[::ffff:10.100.1.121]:42010
ESTAB 0 0 [::1]:9283
[::1]:44428
The whole cluster runs in an IPv4 setup, wondering that port 9283 only
binds on localhost/IPv6
[root@ceph1n020 ~]# telnet localhost 9283
Trying ::1...
Connected to localhost.
Escape character is '^]'.
^C
Connection closed by foreign host.
[root@ceph1n020 ~]# telnet 10.100.1.120 9283
Trying 10.100.1.120...
telnet: connect to address 10.100.1.120: Connection refused
All other services listen carefully on both addresses.
Does somebody have a hint for us?
Best regards,
Christoph Ackermann
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