> Sorry, I just got on this list and am asking a number of questions… ☹ Nothing to be sorry for. We are a community and we were all new to Ceph at some point. > It was suggested in one of my other threads to create and apply a spec file that would have cephadm put the DB for rotational drives onto SSD when it creates the OSD on those drives. I came up with the following spec file: Note that the 990 PRO appears to be a “client” model and may not be a good fit for enterprise duty cycle or workloads. The Kingston SSD specified below does look like an enterprise model rated at ~1 DWPD so you should be good to go with those. > > --- START --- > service_type: osd > service_id: osd_spec_hdd > placement: > host_pattern: '*' > data_devices: > rotational: 1 > db_devices: > rotational: 0 > model: 'Samsung SSD 990 PRO 1TB' > limit: 1 > --- > service_type: osd > service_id: osd_spec_ssd > placement: > host_pattern: '*' > data_devices: > model: 'KINGSTON SEDC1500M1920G' > --- END --- _______________________________________________ ceph-users mailing list -- ceph-users@xxxxxxx To unsubscribe send an email to ceph-users-leave@xxxxxxx