Hi! >Does this make sense to you? Any other thoughts? Yes, we're use: >osd max backfills = 2 >osd recovery max active = 2 on 5 node 58 osds cluster. The duration of one OSD full recovery is ~4 hours. Such tuning do not harm client io - we observe only 20-30% performance degradation. Megov Igor CIO, Yuterra