Hi again Gilles,

I don't have the exact command , but you can use this ansible collection => https://galaxy.ansible.com/ui/repo/published/ceph/automation/

It provide the same command cephadm will use ( you can use here the ceph-volume module )and it's fully compatible with cephadm . I used it to built new ceph cluster .


About , the ceph orch device ls command I told you earlier , I just want to check that you can see all your devices with their status (Available or not / Reason of rejection).


Best Regards

On 8/18/25 17:00, Gilles Mocellin wrote:
Le 2025-08-18 16:21, Anthony D'Atri a écrit :

Yes I have zapped all drives before each try...

Did you subsequently check for success with `ceph device ls` and `lsblk`?

I've found that sometimes the orch zap doesn't succeed fully and one must manually stop and remove LVMs before the drive can be truly zapped.

I think yes, but I will retry.
Another thing I've never done before, is using encryption.
Perhaps it adds delays with my config, leading to timeouts...

Does someone know which exact ceph-volume command is launched by such a spec file, if I want to launch it manually ?

service_type: osd
service_id: throughput_optimized
service_name: osd.throughput_optimized
placement:
  host_pattern: '*'
spec:
  unmanaged: false
  data_devices:
    rotational: 1
  db_devices:
    rotational: 0
  encrypted: true
  filter_logic: AND
  objectstore: bluestore
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