Running ioinfo with the io-properties-file below will have IO scheduler report a cost of 0 for reads. The default numbers for when the scheduler runs unconfigured are UINT64_MAX.

disks: 
  - mountpoint: /var/lib/scylla/somedir
    read_iops: 3355443200000
    read_bandwidth: 33554432G
    write_iops: 1000
    write_bandwidth: 1000M

Refs: #2802