On Sun, Aug 13, 2023 at 10:43 PM Anthony D'Atri <anthony.datri@xxxxxxxxx> wrote: > Think you meant s/SSD/SAS|SATA/. Indeed, (SATA/SAS) SSD - thanks! > The OP implies that the cluster's performance *degraded* with the Quincy upgrade.I wonder if there was a kernel change at the same time. Also a good point. OP: do you have any non-standard ceph.conf settings? Was cluster performance acceptable before the upgrade? There are some settings like bluestore_rocksdb_options that changed in an impactful way, and if the setting is now overridden in your ceph.conf, you will need to account for this... > Do you have the latest available firmware installed on them? Did you perform a secure-erase on each before deploying? What manner of HBA is driving them? The first generation NVMe AIC SKUs definitely had issues with initial firmware. Also, make sure they're not behind a RAID controller... or that it's in an HBA mode. Thanks, Tyler _______________________________________________ ceph-users mailing list -- ceph-users@xxxxxxx To unsubscribe send an email to ceph-users-leave@xxxxxxx