Hi, to whomever it may concern: The mirror server eu.ceph.com does to carry the Release files for 15.2.11 in https://eu.ceph.com/debian-15.2.11/dists/*/ and 16.2.1 in https://eu.ceph.com/debian-16.2.1/dists/*/ Regards -- Robert Sander Heinlein Consulting GmbH Schwedter Str. 8/9b, 10119 Berlin 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