Check your Disk Performance

Using some simple command you can check the performance of hard disk

#hdparm -tT /dev/sda

Output:

/dev/sda:

Timing cached reads:   6054 MB in  2.00 seconds = 3028.86 MB/sec

Timing buffered disk reads:   42 MB in  3.09 seconds =  13.60 MB/sec

/dev/sda:

Timing cached reads:   6054 MB in  2.00 seconds = 3028.86 MB/sec

Timing buffered disk reads:   42 MB in  3.09 seconds =  13.60 MB/sec