External storage question

Discussion in 'backup, imaging & disk mgmt' started by Oleg, Nov 13, 2016.

  1. Oleg

    Oleg Registered Member

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    Last edited: Nov 13, 2016
  2. Minimalist

    Minimalist Registered Member

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    Do you use Windows 7 or Windows 8 and later?
     
  3. TheRollbackFrog

    TheRollbackFrog Imaging Specialist

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    My guess... your Windows external device buffering is hiccuping for some reason. When your devices are plugged in, you can go to your DEVICE MANAGER and open up your DISK DRIVEs section. <right-click> your device in question and select "Properties." In the "Properties" window, select the POLICIES TAB and ensure that WRITE CACHING is set to ON for the device(s) in question.

    To be safe with WRITE CACHING, you should always use the Safely Remove option from your SystemTray when extracting those devices. This ensures that any DATA currently cached for this device will get written before Windows will allow removal of the device.
     
  4. Minimalist

    Minimalist Registered Member

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    Thanks @TheRollbackFrog :thumb:
    That solved my "problem" on Windows 7 when copying files to external disk. I didn't have it on Windows 8.1 - maybe it configures drives differently?
     
  5. Oleg

    Oleg Registered Member

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    I am using Windows 7.
     
  6. Oleg

    Oleg Registered Member

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    Another thing is. I have powered USB 3.0 hub, plugged into none powered enclosure. I am getting 500-300 MB/s speed out of them. Is it normal for USB 3.0 to have that kind of transfer speed?.
     
  7. TheRollbackFrog

    TheRollbackFrog Imaging Specialist

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    I don't know what's in that enclosure but if it's HDDs... can't happen. I don't even think an SSD can xfr that fast as a USB-based device.

    Possibly your number is 500-300 mb/s (megabits per second rather than megabytes per second)... and I don't know why your speed range is backwards (should be slowest to fastest).

    If 300-500 megabits/sec, 40-60mB/s is reasonable if not a bit slow for HDDs & USB3.
     
  8. Oleg

    Oleg Registered Member

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    LOL. You are right. I have just made a typo.. I am getting 500-300 mb/s. I will post more detailed info later on.
     
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