review IOPS load on PHX storage servers
While looking at Grafana I stumbled upon strange IOPS load on our storage servers. Looks like /dev/sdc on both is seeing a constant flow of 500 write IOPS with few actual data traffic.
Let's investigate this as this may be some VM putting extra load and maybe it is not feeling well.
/dev/sda3 should be the storage0[1-2]-data1 storage domain according to the configuration document: