I upgraded my Ceph test cluster to Tentacle last night and OpenStack (Ubuntu 24) still works as before. So there must be something else going on with your cluster, I assume. Am Di., 10. Feb. 2026 um 00:06 Uhr schrieb Piotr Pisz via ceph-users < ceph-users@ceph.io>:

Hello,

We upgraded Ceph to Tentacle, and everything went fine, but all hosts running Ubuntu 22 and 24 lost connectivity to RBD at the libvirt level.

What has changed in the tentacle?

Best regards,

Piotr

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