![]() ![]() ![]() It works on both Windows Server and Client systems, including Windows 7, 8, and 10, and Windows Server 20. It’s now an open source project that can be found at . There is also a 28-page document included in the download package that explains every test parameter in detail with a set of examples and explanations.ĭiskSpd was originally developed under Jim Gray by Peter Kukol from Microsoft Research. diskspd -c1g -b4k -t2 -d30 -o10 c:\testfile.dat d:\testfile.dat For example, the following command creates two 1GB test files, one on c: drive and one on d: drive, with the block size as 4KB, 2 threads per file, and runs the test for 30 seconds. Of course, you can save the output to a text file using “ >filename.txt” option.Ī more sophisticated example is to run the test against one or multiple regular files with involving more parameters. It runs a 10-second test on partition c: using all default parameters. ![]() The Options is where the magic starts with so many switches that you can add to the main command to perform a wide variety of test scenarios.īut we can always start with the easiest, such as below: diskspd c: The test targets can be regular files (c:\testfile.dat), partition (C: or D:), or physical drives (#1). The syntax of the command line is as below: diskspd target1 ] ![]() Synchronization and tracing functionalityĭiskSpd is also a command line utility that needs to run in an elevated Command Prompt window.Variable read/write IO percentage settings.Ability to target physical disks in addition to partitions and files.DiskSpd is a feature-rich disk storage testing tool developed by Microsoft that combines robust and variety IO workload definition with flexible runtime and output options, making it a perfect tool created for IT Professionals to analyze and troubleshoot storage performance related issues without running a full end-to-end workload. ![]()
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