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 _______________________________________________ ceph-users mailing list -- ceph-users@xxxxxxx To unsubscribe send an email to ceph-users-leave@xxxxxxx