I have only 2 scrubs running on hdd's, but keeping the drives in high
busy state. I did not notice this before, did some setting change?
Because I can remember dstat listing 14MB/s-20MB/s and not 60MB/s
DSK | sdd | busy 95% | read 1384 | write 92 | KiB/r
292 | KiB/w 7 | MBr/s 39.5 | MBw/s 0.1 | avq 1.07 |
avio 6.40 ms |
DSK | sde | busy 80% | read 1449 | write 20 | KiB/r
379 | KiB/w 6 | MBr/s 53.7 | MBw/s 0.0 | avq 1.20 |
avio 5.45 ms
net/eth4.60-net/eth4.52
--dsk/sda-----dsk/sdb-----dsk/sdc-----dsk/sdd-----dsk/sde-----dsk/sdf---
--dsk/sdg-----dsk/sdh-----dsk/sdi--
recv send: recv send| read writ: read writ: read writ: read writ:
read writ: read writ: read writ: read writ: read writ
146k 666k: 382k 126k| 0 4096B: 0 0 : 0 0 : 49M 16k:
75M 0 : 0 0 : 0 0 : 0 296k: 0 0
223k 219k: 206k 269k| 0 51k: 0 0 : 0 0 : 41M 32k:
38M 0 : 0 0 : 0 0 :4096B 40k: 0 0
342k 736k: 419k 183k| 0 0 : 0 40k: 0 0 : 38M 120k:
68M 44k: 0 20k: 0 0 : 0 268k: 0 0
109k 123k: 122k 192k| 0 51k: 0 0 : 0 0 : 38M 20k:
66M 0 : 0 0 : 0 0 : 0 0 : 0 0
213k 776k: 458k 244k| 0 0 : 0 0 : 0 0 : 41M 12k:
66M 0 : 0 0 : 0 0 : 0 268k: 0 0
146k 135k: 136k 197k| 0 47k: 0 0 : 0 0 : 49M 32k:
61M 0 : 0 0 : 0 0 : 0 16k: 0 0
113k 642k: 344k 89k| 0 0 : 0 0 : 0 0 : 41M 24k:
42M 4096B: 0 0 : 0 0 :4096B 308k: 0 0
[@c01 ~]# ceph daemon osd.0 config show| egrep
'max_backfills|osd_max_scrubs'
"osd_max_backfills": "1",
"osd_max_scrubs": "1",
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