Hi, The Quincy documentation shows that we could set the Prometheus retention_time within a service specification: https://docs.ceph.com/en/quincy/cephadm/services/monitoring/#setting-up-prom... When trying this "ceph orch apply" only shows: Error EINVAL: ServiceSpec: __init__() got an unexpected keyword argument 'retention_time' It looks like release 17.2.5 does not contain this code yet. Why is the content of the documentation already online when https://github.com/ceph/ceph/pull/47943 has not been released yet? Regards -- Robert Sander Heinlein Support GmbH Linux: Akademie - Support - Hosting http://www.heinlein-support.de Tel: 030-405051-43 Fax: 030-405051-19 Zwangsangaben lt. §35a GmbHG: HRB 93818 B / Amtsgericht Berlin-Charlottenburg, Geschäftsführer: Peer Heinlein -- Sitz: Berlin