目的
修复 backfill_toolfull 故障
故障显示如下
ceph -c -scluster:id: axxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxhealth: HEALTH_WARN6 clients failing to respond to cache pressureLow space hindering backfill (add storage if this doesn't resolve itself): 2 pgs backfill_toofull
具体信息
# ceph health detail
[WRN] PG_BACKFILL_FULL: Low space hindering backfill (add storage if this doesn't resolve itself): 2 pgs backfill_toofullpg 12.5c9 is active+remapped+backfill_wait+backfill_toofull, acting [125,165,196]pg 12.dd1 is active+remapped+backfill_wait+backfill_toofull, acting [79,59,104]
查询对应 OSD 空间
$ ceph osd df | grep -E '^123|^\ 79|^165|^196|^\ 59|^104'
ID CLASS WEIGHT REWEIGHT SIZE RAW USE DATA OMAP META AVAIL %USE VAR PGS STATUS
104 ssd 13.97069 1.00000 14 TiB 5.6 TiB 5.6 TiB 329 MiB 11 GiB 8.3 TiB 40.27 0.95 105 up
196 ssd 14.00000 1.00000 14 TiB 5.6 TiB 5.6 TiB 388 MiB 12 GiB 8.4 TiB 39.87 0.94 90 up59 ssd 13.97069 1.00000 14 TiB 4.8 TiB 4.8 TiB 209 MiB 10 GiB 9.1 TiB 34.54 0.81 86 up
165 ssd 14.00000 1.00000 14 TiB 5.8 TiB 5.8 TiB 298 MiB 10 GiB 8.2 TiB 41.37 0.97 112 up79 ssd 13.97069 1.00000 14 TiB 5.6 TiB 5.6 TiB 271 MiB 11 GiB 8.3 TiB 40.31 0.95 114 up
125 ssd 14.00000 1.00000 14 TiB 5.6 TiB 5.6 TiB 406 MiB 11 GiB 8.3 TiB 40.43 0.95 123 up目测已用空间不到50%， 先观察
