Hi Sridhar Thank you for the suggestion and the link. We'll stick with wpq for now since it seems to work ok then upgrade to reef when we are HEALTH_OK, and then back to mclock. Mvh. Torkil On 18-01-2024 13:06, Sridhar Seshasayee wrote:
Hi,
Given that the first host added had 19 OSDs, with none of them anywhere near the target capacity, and the one we just added has 22 empty OSDs, having just 22 PGs backfilling and 1 recovering seems somewhat underwhelming.
Is this to be expected with such a pool? Mclock profile is high_recovery_ops.
Since you are already using the high_recovery_ops profile, you could additionally try incrementing "osd_max_backfills" (default: 1) by a small amount (2 or 3) using the following procedure and see if it improves the backfill rate:
https://docs.ceph.com/en/quincy/rados/configuration/mclock-config-ref/#steps...
-Sridhar _______________________________________________ ceph-users mailing list -- ceph-users@ceph.io To unsubscribe send an email to ceph-users-leave@ceph.io
-- Torkil Svensgaard Systems Administrator Danish Research Centre for Magnetic Resonance DRCMR, Section 714 Copenhagen University Hospital Amager and Hvidovre Kettegaard Allé 30, 2650 Hvidovre, Denmark