Martin Cracauer via plug on 4 Jan 2022 16:04:54 -0800

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Re: [PLUG] Move SD card from Raspberry Pi 2 to Raspberry Pi 4 Model B

Adam Zion via plug wrote on Tue, Jan 04, 2022 at 03:25:41PM -0500: 
> A question closely related to my previous one...
> Simple/not simple question: is it safe to move the SD card from my existing
> Raspberry Pi 2 (Model B Rev 1.1) to the latest-and-greatest version? The
> existing Pi is running Raspbian Bullseye and a 4 drive mdadm RAID 5- hence
> wanting to upgrade to the more capable board. I figure it's easier to move
> the existing SD card + drives to the faster Pi than to set up the new Pi
> from scratch and migrate the RAID to it. Or would it be?

Last time I moved a boot SD card from a 32 bit Pi to a 64 bit one it
didn't work.  Wouldn't load the kernel or anything, just a black
screen.  The card still works in the original Pi.  There might be
specialized bootloader issues or something (although there shouldn't).

Martin Cracauer <>
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