Right, if you want to bootstrap a cephadm cluster, you don't need to worry too much about the package versions on the host. Although we do recommend to keep them somewhat aligned. But there's also an option for the cephadm bootstrap command:

--allow-mismatched-release
allow bootstrap of ceph that doesn't match this version of cephadm

I used that many times on openSUSE hosts where the latest available version was Pacific (there are packages available again with Reef and Squid from openSUSE Leap 16, Tumbleweed probably too, haven't checked). Last week I also bootstrapped a Squid cluster like that on a Debian Trixie where the host package versions are 18.2.7.

Zitat von Robert Sander via ceph-users <[email protected]>:

Am 18.02.26 um 5:53 PM schrieb Albert Shih via ceph-users:

  2/ Install a Debian 13 and use the Debian ceph pkg.

This is the way.

The client code does not need to match the cluster version.
I usually install ceph-common from the distribution.

Just make sure you have a cephadm binary matching the desired Ceph version before bootstrapping the cluster.

Regards
--
Robert Sander
Linux Consultant

Heinlein Consulting GmbH
Schwedter Str. 8/9b, 10119 Berlin

https://www.heinlein-support.de

Tel: +49 30 405051 - 0
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