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  • Performance test with USB attached

    Hello

    Small question

    I ran performance test on 33 identical units

    One of them had a very bad Disk Mark.

    Does the attached usb disk cause an issue?

    Click image for larger version

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    Because it was the unit with the attached usb that had very low rating in Sequential Read.

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    Best regards
    Attached Files

  • #2
    If another program or other activity was using the disk during the disk test, it can affect the results. Have you tried running the test again on the bad machine?

    Also verify that the "Drive under test" under "Edit->Preferences" is correctly set to the correct drive.

    Another option to see if this was just an anomaly is to use Advanced Disk Test option to further troubleshoot the issue.

    Comment


    • #3
      Only Performance Test was executing.

      Sadly the computer is not in my possesion anymore, so I cannot rerun the test.

      But I was more curious regarding the cheap USB pen which was attached during the test. All other disk results were fine, besides the "Sequential Read"
      - Could the usb pen influence this test?

      I did not check the "Drive under test", but isn't C: the default chosen drive?

      Best regards

      Comment


      • #4
        Unfortunately you do not have the system to test again. It could be just an one-off situation.

        Only Performance Test was executing.
        While this may be the case. It could also very well some background services was running as well, e.g as Windows Update downloading or Anti Virus scanning.

        Could the usb pen influence this test?
        No. Even if the program is running off the USB drive, the software application resides in your system memory after executing. So unless the disk test is testing the USB drive itself, it should not be issue.

        I did not check the "Drive under test", but isn't C: the default chosen drive?
        I believe the User AppData directory (typically the same drive as where the OS is installed) is the default location of the disk test.

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        • #5
          Thank you very much for the clarification

          Good day

          Best regards

          Comment

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