Hi, it's on a cephadm cluster using Ubuntu22.04-based image. I guess your comment about Debian applies to Ubuntu as well; thanks for the information, I'll wait for the fixed release. Cheers, Nicola On 25/02/26 9:19 AM, Ankush Behl wrote:

I assume this is happening on a cluster that is running on debian.

Tracker: https://tracker.ceph.com/issues/74199 <https:// tracker.ceph.com/issues/74199> PR for Fix: https://github.com/ceph/ceph/pull/67133 <https://github.com/ ceph/ceph/pull/67133>

We have raised a backport PR in the Tentacle branch to fix it. https://github.com/ceph/ceph/pull/67510 <https://github.com/ceph/ceph/ pull/67510>

On Wed, Feb 25, 2026 at 12:25 PM Nicola Mori via ceph-users <ceph- users@ceph.io <mailto:ceph-users@ceph.io>> wrote:

Any help?

On 18/02/26 8:17 AM, Nicola Mori wrote: > I found that the error is reproducible from Ceph CLI: > > # ceph dashboard get-prometheus-api-host > Error EIO: Module 'dashboard' has experienced an error and cannot handle > commands: No module named 'smb' > > Any hint?

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