Windows 10: Copying files from external drive to internal Hyper-V VM much faster.

Discus and support Copying files from external drive to internal Hyper-V VM much faster. in Windows 10 Virtualization to solve the problem; I always found it very slow copying files as a network share from Host to PC e.g. at 10 MB/s. Today, I had to copy a file, and it blitzed along at... Discussion in 'Windows 10 Virtualization' started by cereberus, Sep 30, 2017.

  1. cereberus Win User

    Copying files from external drive to internal Hyper-V VM much faster.


    I always found it very slow copying files as a network share from Host to PC e.g. at 10 MB/s.

    Today, I had to copy a file, and it blitzed along at 80 MB/S which is not far off my hard drive maximum speed.

    This is using 16299 Fast/Slow Ring build.

    As an aside, I sometimes used to just mount the vhd in Host to copy large files (still do for the uup folder).

    :)
     
    cereberus, Sep 30, 2017
    #1
  2. WesE Win User

    Windows 10 VHD Native Boot Installation--Officially Supported?

    I have done two major upgrades to my VHD boot system now. I get the failed to upgrade message so I do the upgrade in Hyper-V on another system I have. To do it Hyper-V I had to replicate my entire system so that my virtual is dual boot as well. Once this
    is setup its just a case of copy the VHD, upgrade, copy it back.

    Update (July 2017): I just had to build a new Hype-V VM for upgrading my Native Boot VHD (NBV) to W10 Creators Update. Here are the steps I used.

    1. Copied my NBV to a USB attached external drive

    2. On a spare machine built a Win10 VM, attached the NBV file to the second IDE controller on the VM, this became drive E:

    3. In the VM made a copy of the boot "bcdedit /copy {current} /d "Native boot VHD"

    4. Update the boot config copy from above so that device and osdevice point to E:\, good example in the bcdedit help of this.

    5. Added detecthal to above boot cfg, bcdedit /set {guid} detecthal on

    6. Reboot the VM, select the NBV, it boots to that, let it upgrade, copy the NBV file back to its original location.

    Worked for me. Did it all on a USB3 attached external drive, slow but worked. My spare machine running Hyper-V had 4GB, gave 2GB to the VM.

    -Wes
     
  3. joerayner Win User
    Secure file share with between host and hyper-v guest

    I have a windows 10 host running hyper-v. I want to share the files that are on the host securely with a hyper-v vm without having to copy the files, i.e. the file share is on the host not the guest.

    Current method is to set up a file share on the host and disable authentication for ALL file shares, this is so that I do not need to store the host account
    credential on the VM which would be a risk. I then set up a internal virtual switch in hyper-v and disable files sharing protocal on ALL other network interfaces on the host. I not sure this is secure but its defiantly not very elegant for such a seeming
    simple problem.

    I can see it causeing problems in the future when we need another files share on the host for a differnet reason.

    Is there a simpler, less invasive way to do this?
     
    joerayner, Sep 30, 2017
    #3
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Copying files from external drive to internal Hyper-V VM much faster.

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