Check Disk Speed in Linux From Terminal. How To

How To Check Disk Speed in Linux From Terminal

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