On 04/20/17 20:58, Peter Maloney wrote: > On 04/20/17 18:19, Sage Weil wrote: >> but I guess the >> underlying first question is whether any snap deletion happened anywhere >> around this period (2560+ sec before the warning, or around the time the >> op was sent in epoch 83264). > A snapshot based backup thing ran at 12:00 CEST and took until 18:25 > CEST to finish, which overlaps that, and creates and removes 120 > snapshots spread throughout the process. >> (And yeah, removed_snaps is the field that >> matters here!) >> >> Thanks! >> sage This still happens in 10.2.7 > 2017-04-28 04:41:59.343443 osd.9 10.3.0.132:6808/2704 18 : cluster > [WRN] slow request 10.040822 seconds old, received at 2017-04-28 > 04:41:49.302552: replica scrub(pg: > 4.145,from:0'0,to:93267'6832180,epoch:93267,start:4:a2d2c99e:::rbd_data.4bf687238e1f29.000000000000f7a3:0,end:4:a2d2dcd6:::rbd_data.46820b238e1f29.000000000000bfbc:f25e,chunky:1,deep:0,seed:4294967295,version:6) > currently reached_pg > ... > 2017-04-28 06:07:09.975902 osd.9 10.3.0.132:6808/2704 36 : cluster > [WRN] slow request 5120.673291 seconds old, received at 2017-04-28 > 04:41:49.302552: replica scrub(pg: 4.145,from:0'0,to:93 > 267'6832180,epoch:93267,start:4:a2d2c99e:::rbd_data.4bf687238e1f29.000000000000f7a3:0,end:4:a2d2dcd6:::rbd_data.46820b238e1f29.000000000000bfbc:f25e,chunky:1,deep:0,seed:4294967295,version: and there are snaps created and removed around that time. -- To unsubscribe from this list: send the line "unsubscribe ceph-devel" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html