Linux server administration/iotop

top-like I/O monitor for Disks and I/O devices.

Activities
sudo hdparm -t /dev/sdc9 /dev/sda2: Timing buffered disk reads: 1498 MB in 3.00 seconds = 499.29 MB/sec
 * Execute  and review disk activity in your computer
 * Measure your hard disk read performance using hdparm command.
 * Review IO and filesystems benchmark tools such us  https://stackoverflow.com/questions/1198691/testing-io-performance-in-linux