DiskSpd

DiskSpd is a free and open-source[2] command-line tool for storage benchmarking on Microsoft Windows that generates a variety of requests against computer files, partitions or storage devices and presents collected statistics as text in the command-line interface or as an XML file.[3][4][5]

DiskSpd
Developer(s)Microsoft
Stable release
2.0.21a / September 21, 2018 (2018-09-21)
Repositorygithub.com/Microsoft/diskspd
Written inC++
Operating systemWindows Server 2016, Windows 10, Windows Server 2012 R2, Windows 8.1, Windows Server 2012, Windows 8, Windows Server 2008 R2, Windows 7
PlatformIA-32, x86-64, ARM64
Available inEnglish
TypeBenchmark program
LicenseMIT License[1]
Websiteaka.ms/diskspd

Overview

The command supports physical and virtual storage including hard disk drive (HDD), solid state devices (SSD), and solid state hybrid drives (SSHD).[6] It provides control over the testing methods, duration, threads, queues, IO and processor affinity, and reporting.[7]

DiskSpd works on desktop versions of Windows 7, Windows 8, Windows 8.1, Windows 10, as well as Windows Server 2012, Windows 2012 R2, and Windows Server 2016.[8]

It is licensed under MIT License and the source code is available on GitHub.[9]

Example

Benchmark two drives (C: and E:) using a 100 MB test file, and run the test for a duration of 60 seconds (the default is 10).[10]

C:\>diskspd -c100M -d60 c: e:
gollark: That doesn't seem very advantageous.
gollark: It doesn't seem very helpful to make something a special type of something else if they work entirely differently.
gollark: > a file =/= a socketYes, indeed, but apparently they both share read/write interfaces.
gollark: I have it *open*, it's quite long.
gollark: I don't think, in many cases, you could just swap out a file for a TCP stream or datagram not-stream and expect all the code dealing with it in an application to work fine.

See also

References
  1. https://github.com/Microsoft/diskspd/blob/master/LICENSE
  2. Microsoft DISKSPD now on GitHub, and the mysterious VMFLEET released
  3. Benchmark your hard drives with Microsoft’s open-source Diskspd
  4. Microsoft DiskSpd Storage Performance Tool - gHacks Tech News
  5. https://github.com/Microsoft/diskspd/wiki
  6. Server and Storage I/O Benchmark Tools: Microsoft Diskspd (Part I)
  7. Diskspd 2.0.17 | Software Downloads | Techworld
  8. How to Stress Test the Hard Drives in Your PC or Server
  9. https://github.com/Microsoft/diskspd
  10. Using diskspd.exe to test storage system
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