Hello,
I see messages related to REQUEST_SLOW a few times per day.
here's my ceph -s :
root@ceph-pa2-1:/etc/ceph# ceph -s
cluster:
id: 72d94815-f057-4127-8914-448dfd25f5bc
health: HEALTH_OK
services:
mon: 3 daemons, quorum ceph-pa2-1,ceph-pa2-2,ceph-pa2-3
mgr: ceph-pa2-3(active), standbys: ceph-pa2-1, ceph-pa2-2
osd: 6 osds: 6 up, 6 in
data:
pools: 1 pools, 256 pgs
objects: 408.79k objects, 1.49TiB
usage: 4.44TiB used, 37.5TiB / 41.9TiB avail
pgs: 256 active+clean
io:
client: 8.00KiB/s rd, 17.2MiB/s wr, 1op/s rd, 546op/s wr
Running ceph version 12.2.9 (9e300932ef8a8916fb3fda78c58691a6ab0f4217)
luminous (stable)
I've check :
- all my network stack : OK ( 2*10G LAG )
- memory usage : ok (256G on each host, about 2% used per osd)
- cpu usage : OK (Intel(R) Xeon(R) CPU E5-2678 v3 @ 2.50GHz)
- disk status : OK (SAMSUNG AREA7680S5xnNTRI 3P04 => samsung DC series)
I heard on IRC that it can be related to samsung PM / SM series.
Do anybody here is facing the same problem ? What can I do to solve that ?
Regards,
Cédric
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