Category: disk
Average latency for /dev/sda
Average latency for /dev/sdb
Average latency for /dev/sr0
Disk throughput for /dev/sda
Disk throughput for /dev/sdb
Disk throughput for /dev/sr0
Disk utilization for /dev/sda
Disk utilization for /dev/sdb
Disk utilization for /dev/sr0