The Natural Philosopher  wrote:
> On 18/10/2019 19:00, NY wrote:
>> In fact the only time I ever had the system drive go bad, preventing the
>> Pi from booting, was after a tidy "reboot" which should have shut things
>> down gracefully.
>
> My advice if its mission critical, is to have as vanilla and replaceable
> a boot device,  as possible. Data disks that seldom get written to are
> far far less likely to suffer power related irrevocable failures.
>
> In my own pi the SD card contains no moving data of any importance. Only
> logs IIRC.
>
> Everything else is network mounted. And the network server is a linux
> PCX86 with NO AUTOBOOT ON POWER!!!
>
> Or you could use a SATA USB drive.

Running the system entirely from RAM is another solution. Tiny Core
Linux does this, and has a Raspberry Pi build. I'm not sure if
anyone's got it working with the Pi4 yet though.

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