[chbot] SD Copier
cdhmanning at gmail.com
Mon Apr 12 01:03:18 BST 2021
The only way I can see to make a faithful copy of an SD card is to do a
full byte-for-byte copy.
Any tool that only copies part of the data must make some assumptions - for
example the assumption that a partitioned labelled ext2 is actually
formatted ext2 and can be copied as ext2 files.
If, for example you have a partition that is mislabelled then a "clever"
tool is likely to get it wrong.
On Mon, Apr 12, 2021 at 10:15 AM Stuart Brown <stuartbrown2 at gmail.com>
> I've been using 'dotNet Disk Imager' (
> https://github.com/filipxsikora/dotnet-disk-imager). I found that most
> people recommend Win32DiskImager, but it was not working on newer
> versions of Window 10.
> On Mon, 12 Apr 2021 at 10:07, Marshland Engineering <
> marshland at marshland.co.nz> wrote:
>> Must be looking in the wrong place but I can't find an SD card copier that
>> does not create a copy of the full card. Ie if I need to copy a 32GB card
>> only has a few MB of data, it clones the full 32GB.
>> Macrium reflect does a great job on Windows. Copies all the disk
>> and files and compresses the data into one small file. Unfortunately
>> does not see SD cards as drives.
>> Anyone found something that works on Windows?
>> Basically backing up my PI OS. I'm using it as a NAS drive.
>> Thanks Wallace
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