Hi Robert, I tried, but that doesn't work :( Using exit maintenance mode results in the error: "missing 2 required positional arguments: 'hostname' and 'addr'" But running the command a second time, it looks like it works, but then I get errors with starting the containers. The start up fails because it can't pull the container image because authentication is required (our instance is offline and we're using a local image registry with authentication). Kind regards, Sake
Op 04-06-2024 14:40 CEST schreef Robert Sander <r.sander@heinlein-support.de>:
Hi,
On 6/4/24 14:35, Sake Ceph wrote:
* Store host labels (we use labels to deploy the services) * Fail-over MDS and MGR services if running on the host * Remove host from cluster * Add host to cluster again with correct labels
AFAIK the steps above are not necessary. It should be sufficient to do these:
* Set host in maintenance mode * Reinstall host with newer OS * Configure host with correct settings (for example cephadm user SSH key etc.) * Unset maintenance mode for the host * For OSD hosts run ceph cephadm osd activate
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