Ten Forums Live Webcast - Hyper-V Special December 8th, 2018

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  1. Kari's Avatar
    Posts : 17,434
    Windows 10 Pro
    Thread Starter
       #51

    OK geeks, the video is posted:

    Kari said:
    Last Saturday, 8th of December, we had one of our TenForums Live webcasts. The topic was Hyper-V, and I had prepared a presentation / demonstration about how to use Differencing Disks to save both storage space and time.

    Although the webcast was recorded, it was too hard to edit the footage because lots of on & off topic chat going on, questions and answers and so on. I decided to make a "clean" capture instead of posting that video.

    You geeks who participated, please do not take this wrong; it is completely OK to chat and interrupt presentations with clarifying questions. I just thought that the topic is important, and wanted to make a bit better video.



    Video description on YouTube:

    How to use Hyper-V Differencing Disks to save storage space and time when creating new virtual machines.

    Please post all comments on TenForums: Video: Hyper-V Differencing Disks - Windows 10 Forums

    Medical advice: if the narrator's hard, Scandinavian accent causes pain in your ears and / or psychological issues, consult your local bartender.

    Originally posted in TenForums Video thread.

    Kari
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  2. magilla's Avatar
    Posts : 3,123
    Windows 10 and windows insider
       #52

    Thank you, Kari—and for the additional work. And for the ‘medical advice.’
      My Computer


  3. Posts : 152
    Windows 10 Pro/Education x64
       #53

    Thanks @Kari, I learned something new from your video.
      My Computer

  4. slicendice's Avatar
    Posts : 4,644
    Windows 10 Pro x64 20H2 Build 19042.906 (Branch: Release Preview)
       #54

    Thanks!
      My Computers

  5. jimbo45's Avatar
    Posts : 10,503
    Windows / Linux : Arch Linux
       #55

    Hi there

    Thanks @Kari

    great stuff - appreciate your time and effort put into these events.

    Cheers
    jimbo
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  6. storageman's Avatar
    Posts : 1,020
    Windows 10 Pro 20H2 19042.572
       #56

    Thanks @Kari

    I've learned alot from that video. Going to give it a try this afternoon.
      My Computers

  7. Kari's Avatar
    Posts : 17,434
    Windows 10 Pro
    Thread Starter
       #57

    Thanks geeks.

    A simple fact is that each and every VM using a child disk saves about 12 GB of storage space, in the video example my parent disk when fully updated was 11.4 GB. That space is no longer needed when setting up new virtual machines.

    I have most often at least 8 W10 PRO virtual machines set up, official release and Insider Preview Fast, both in four different languages. All those VMs would use that about 12 GB when fully updated and booted to desktop, before any software would be installed or user data added to profile folders. That's close to 100 GB.

    But, creating one parent disk and use it to create all VMs using a child disk, the parent would still be the 12 GB but each child just 2 GB or less. That makes roughly 28 GB, space saved over 70 GB.

    In addition, placing the parent on SSD but all child disks on HDD, I have reduced read / write on SSD quite a lot.

    The time saving is also an important factor. No need to start from scratch every time you need a new VM. Create a child disk and boot it in seconds to OOBE.

    Last but not least, Not all users need multiple languages, but those who need, video also shows how you can have Windows 10 on VM in any language although the parent disk is in another language. In my case, my parent disk is always in UK English, and I use it to create VMs in Finnish, Swedish and German.

    Kari
      My Computer


  8. Posts : 152
    Windows 10 Pro/Education x64
       #58

    Just one question: would I need to purchase multiple copies of windows for each child vm other than the parent vm?
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  9. Kari's Avatar
    Posts : 17,434
    Windows 10 Pro
    Thread Starter
       #59

    titetanium said:
    Just one question: would I need to purchase multiple copies of windows for each child vm other than the parent vm?
    Every virtual machine requires a valid license, as do any real, physical machine. It is irrelevant if virtual machine is a traditional one or if it is using differencing disks.

    When using differencing disks, the parent disk don't have to be activated because it is only used as a base for child disks. The virtual machines using a child disk require activation, a valid license. Of course you can use them for some time without activation, but latest after 30 days you will get "Activate now" watermark on desktop.

    Short: each virtual machine requires a valid license and activation, exactly as real physical machines, but can be used some time without activation.

    Kari
      My Computer


 
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