CentOS

Check Disk Speed in Linux From Terminal. How To

ARSTECH

16 Jun 2017 — 2 min read

In this article you will learn how to check disk speed in Linux from terminal.

We can check Linux disk (HDD or SSD) I/O performance with hdparm command.

Hdparm is a command line utility for Linux to set and view ATA hard disk drive hardware parameters and test performance.

Hdparm Install CentOS / RedHat

$ sudo yum install hdparm -y

Hdparm Install Ubuntu / Debian

$ sudo apt-get install hdparm

Hdparm Usage examples

hdparm with -I option will display information about hard drive

$ hdparm -I /dev/sda

Display all the options:

$ hdparm -h

Hdparm Speed Test

hdparm -Tt /dev/sda will measure show buffered and cached disk read speed.

$ sudo hdparm -Tt /dev/sda

Example output:

/dev/sda: Timing cached reads: 17678 MB in 2.00 seconds = 8850.51 MB/sec Timing buffered disk reads: 1044 MB in 3.00 seconds = 347.94 MB/sec

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