OSD errors

[SamoPM]

​

Hello,

we are are experiencing a large number of OSD errors:

osd.3 observed slow operation indications in BlueStore (for multiple osd-s)
osd.4 observed stalled read indications in DB device
osd.19 crashed on host

This errors all occured during backup of the VMs on the cluster.

 

[SamoPM]

root@testname1:~# ceph health detail
HEALTH_WARN 3 OSD(s) experiencing slow operations in BlueStore; 1 OSD(s) experiencing stalled read in db device of BlueFS
[WRN] BLUESTORE_SLOW_OP_ALERT: 3 OSD(s) experiencing slow operations in BlueStore
osd.4 observed slow operation indications in BlueStore
osd.6 observed slow operation indications in BlueStore
osd.8 observed slow operation indications in BlueStore
[WRN] DB_DEVICE_STALLED_READ_ALERT: 1 OSD(s) experiencing stalled read in db device of BlueFS
osd.4 observed stalled read indications in DB device