Can you share 'ceph orch ls prometheus --export'? And if it has been
deployed successfully but is currently not running, the logs should
show why that is the case.
To restart prometheus, you can just run this to restart the entire
prometheus service (which would include all instances if you had
multiple, but currently you only have one in the specs):
ceph orch restart prometheus
or only a specific daemon:
ceph orch daemon restart prometheus.<hostname>
And usually, cephadm does create systemd units, for example:
cephadm ls --no-detail | grep prometheus
"name": "prometheus.nautilus",
"systemd_unit":
"ceph-201a2fbc-ce7b-44a3-9ed7-39427972083b@prometheus.nautilus"
Zitat von Tim Holloway <t...@mousetech.com>:
I don't think there is failure to deploy. For one thing, I did have,
as mentioned 3 Prometheus-related containers running at one point on
the machine. Also checked for port issues and there are none.
Nothing listens on 9095.
One thing that does concern me is that the docs sau changes in
settings require "restarting prometheus", but not what command does
that. Given that there are no systemd units to address and that the
orchestrator claims that there is no "prometheus service" even as it
shows that there's 1 service, stopped, it's quite frustrating.
On 3/26/25 07:26, Eugen Block wrote:
The cephadm.log should show some details why it fails to deploy the
daemon. If there's not much, look into the daemon logs as well
(cephadm logs --name prometheus.ceph02.mousetech.com). Could it be
that there's a non-cephadm prometheus already listening on port 9095?
Zitat von Tim Holloway <t...@mousetech.com>:
I finally got brave and migrated from Pacific to Reef, did some
banging and hammering and for the first time in a long time got a
complete "HEALTH OK" status.
However, the dashboard is still not happy. It cannot contact the
Prometheus API on port 9095.
I have redeployed Prometheus multiple times without result.
I'm pretty sure that at one time there were no less than 3
different Prometheus containers running on one of the configured
Prometheus servers, but now all I can get is the node-exporter.
Worse, if I do:
ceph orch reconfig prometheus
I get:
Error EINVAL: No daemons exist under service name "prometheus".
View currently running services using "ceph orch ls"
But if I do:
ceph orch ls
I get:
prometheus ?:9095 0/1 -
116s ceph02.mousetech.com
Suggestions?
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