Hi Igor, After updating to 14.2.19 and then moving some PGs around we have a few warnings related to the new efficient PG removal code, e.g. [1]. Is that something to worry about? Best Regards, Dan [1] /var/log/ceph/ceph-osd.792.log:2021-04-14 20:34:34.353 7fb2439d4700 0 osd.792 pg_epoch: 40906 pg[10.14b2s0( v 40734'290069 (33782'287000,40734'290069] lb MIN (bitwise) local-lis/les=33990/33991 n=36272 ec=4951/4937 lis/c 33990/33716 les/c/f 33991/33747/0 40813/40813/37166) [933,626,260,804,503,491]p933(0) r=-1 lpr=40813 DELETING pi=[33716,40813)/4 crt=40734'290069 unknown NOTIFY mbc={}] _delete_some additional unexpected onode list (new onodes has appeared since PG removal started[0#10:4d280000::::head#] /var/log/ceph/ceph-osd.851.log:2021-04-14 18:40:13.312 7fd87bded700 0 osd.851 pg_epoch: 40671 pg[10.133fs5( v 40662'288967 (33782'285900,40662'288967] lb MIN (bitwise) local-lis/les=33786/33787 n=13 ec=4947/4937 lis/c 40498/33714 les/c/f 40499/33747/0 40670/40670/33432) [859,199,913,329,439,79]p859(0) r=-1 lpr=40670 DELETING pi=[33714,40670)/4 crt=40662'288967 unknown NOTIFY mbc={}] _delete_some additional unexpected onode list (new onodes has appeared since PG removal started[5#10:fcc80000::::head#] /var/log/ceph/ceph-osd.851.log:2021-04-14 20:58:14.393 7fd87adeb700 0 osd.851 pg_epoch: 40906 pg[10.2e8s3( v 40610'288991 (33782'285900,40610'288991] lb MIN (bitwise) local-lis/les=33786/33787 n=161220 ec=4937/4937 lis/c 39826/33716 les/c/f 39827/33747/0 40617/40617/39225) [717,933,727,792,607,129]p717(0) r=-1 lpr=40617 DELETING pi=[33716,40617)/3 crt=40610'288991 unknown NOTIFY mbc={}] _delete_some additional unexpected onode list (new onodes has appeared since PG removal started[3#10:17400000::::head#] /var/log/ceph/ceph-osd.883.log:2021-04-14 18:55:16.822 7f78c485d700 0 osd.883 pg_epoch: 40857 pg[7.d4( v 40804'9911289 (35835'9908201,40804'9911289] lb MIN (bitwise) local-lis/les=40782/40783 n=195 ec=2063/1989 lis/c 40782/40782 les/c/f 40783/40844/0 40781/40845/40845) [877,870,894] r=-1 lpr=40845 DELETING pi=[40782,40845)/1 crt=40804'9911289 lcod 40804'9911288 unknown NOTIFY mbc={}] _delete_some additional unexpected onode list (new onodes has appeared since PG removal started[#7:2b000000::::head#]