On 07/01/2019 13:24, NY wrote:
> "Markus Robert Kessler"  wrote in message
> news:q0vcma$rv$1@dont-email.me...
>> what should we use as main storage on a PI instead?
>> Any more robust technique available, fitting in the SD slot?
>
> This is a very valid question. By all means use a USB HDD for main
> storage, but you still need an SD card for OS boot, even if you mount
> /tmp and maybe even /home/ onto the USB HDD instead of leaving
> it on the SD card.

You don't need a SD card at all with the Raspberry Pi 2.1 or later, it
will boot directly from USB.

https://www.raspberrypi.org/documentation/hardware/raspberrypi/bootmodes/msd.md

---druck

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