Disk Drive Performance Benchmarking Tools – Linux & Windows

Windows Disk Benchmarking Tools

HD Tune Free will test your drive’s transfer rate. In this example, I have 4x ST3500418AS SATA2 drives with ICH10R RAID10:

hdtune Disk Drive Performance Benchmarking Tools   Linux & Windows

Download HD Tune

Another free tool is HD Tach. This is supposed to only work with Windows XP/2000, but you can right-click the HD Tach app to run it in compatability mode (right-click HD Tach shortcut, click Properties and Compatability tab):

hdtach Disk Drive Performance Benchmarking Tools   Linux & Windows

Download HD Tach

Linux Disk Benchmarking Tools

We can use hdparm to test drive read speeds. Use fdisk -l to determine which device you wish to test. In this example we use /dev/sda:

$ hdparm -Tt /dev/sda

Timing cached reads:   14104 MB in  2.00 seconds = 7063.75 MB/sec
Timing buffered disk reads:  1452 MB in  3.00 seconds = 483.65 MB/sec

And we can use dd to test drive write speeds. In this example we write a 512MB test file:

$ dd if=/dev/zero of=test.file bs=1024k count=512
512+0 records in
512+0 records out
536870912 bytes (537 MB) copied, 10.4991 seconds, 51.1 MB/s

If your dd client does not output the time taken, run the this command instead (time command specified before the above command):

$ time dd if=/dev/zero of=test.file bs=1024k count=512
512+0 records in
512+0 records out

real    0m1.156s
user    0m0.002s
sys     0m1.010s

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