My storage is NVMe, U.2 in R640's (Intel P4600/P4610s). The cluster started with Luminious an running Reef now -- it's been migrated through many types of orchestrators. If there are a studies on multiple OSDs per drive I am open to learn. On Thu, Jul 10, 2025 at 08:24 AM, Anthony D'Atri wrote: Under which Ceph release? Did you select 3DWPD SSDs empirically, or out of an abundance of caution? On Jul 10, 2025, at 9:16 AM, peter@xxxxxxxx (mailto:peter@xxxxxxxx) wrote: I have no science for the 1.6Tb other than it performed better than the full 3.2Tb _______________________________________________ ceph-users mailing list -- ceph-users@xxxxxxx (mailto:ceph-users@xxxxxxx) To unsubscribe send an email to ceph-users-leave@xxxxxxx (mailto:ceph-users-leave@xxxxxxx) _______________________________________________ ceph-users mailing list -- ceph-users@xxxxxxx To unsubscribe send an email to ceph-users-leave@xxxxxxx