hdparm -Tt /dev/sda
Timing cached reads: 16496 MB in 2.00 seconds = 8260.11 MB/sec
Timing buffered disk reads: 228 MB in 3.00 seconds = 75.95 MB/sec
hdparm -Tt /dev/sda
Timing cached reads: 16496 MB in 2.00 seconds = 8260.11 MB/sec
Timing buffered disk reads: 228 MB in 3.00 seconds = 75.95 MB/sec