Image won't fit on same size card

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This topic contains 7 replies, has 6 voices, and was last updated by Profile photo of aceisback aceisback 1 year, 6 months ago.

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  • #109624
    Profile photo of hellokevin11
    hellokevin11
    Participant

    I used Win32DiskImager to make an image of my SD card, and when I go to write the image to a new card it tells me it’s too small a card. Both cards were 32Gb

    Is this down to variations in the media, or is it the image?

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    #109633
    Profile photo of bluelightcrew
    bluelightcrew
    Participant

    SD cards have rarely exactly the same size, but when you make a backup, the backup includes the free space. There are tutorials where you can kill the free space and than backup. Sorry for my bad English

    #109635
    Profile photo of Floob
    Floob
    Member

    This guide should help
    http://smartretro.co.uk/forums/viewtopic.php?f=3&t=58

    RetroPie help guides --> https://goo.gl/Yfy8kj
    Please read this before asking for help --> http://goo.gl/eLErnl

    #109808
    Profile photo of hellokevin11
    hellokevin11
    Participant

    This guide should help
    http://smartretro.co.uk/forums/viewtopic.php?f=3&t=58

    Thank you for your help, everyone.

    #111725
    Profile photo of chito
    chito
    Participant

    this seems like a very complicated way. Is there a better way to partition?
    maybe on a mac or on the raspberry itself before creating the image?

    how is this done for retropie?

    I was was over ambitious and used an sd card that was way to big for my needs. I want to down size if possible

    #111727
    Profile photo of retroresolution
    retroresolution
    Participant

    Just to cover all possibilities, I’ll note that there are a great many fake sd cards out there – the actual storage space and the reported storage space do not match (e.g. a 32GB card is actually an 8gb card with the header information altered to report the larger size).
    It’s most likely the issue is due to the overhead on the image, which I’ve seen before, but it’s worth eliminating the slight chance the new card isn’t all it seems to be.

    #111730
    Profile photo of chito
    chito
    Participant

    sounds like even more reason to ensure backup imgs are as small as possible.

    but there really doesnt seem to be a straightforward way of doing this.

    so far the easiest way ive found is to download and install virtual box (mac & pc) runing a linux virtual machine.
    then repatriation the sd card to smaller size.
    then create the img

    #111893
    Profile photo of aceisback
    aceisback
    Participant

    I have ran into the same problem. I use 16 and 32 GB cards in my projects, but now I create my images using an 8GB card which I then create a backup image. I can then copy this image to the larger cards. Never have an issue with the size issue this way.

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