Now they aren't expensive (like 6-12 months ago), one RPi -the one with the database- is relying on the SSD (so no issue) and the other is using RAM logs so the

Now they aren't expensive (like 6-12 months ago), one RPi -the one with the database- is relying on the SSD (so no issue) and the other is using RAM logs so the data written to the SD card are minimal. I'm running a Raspberry PI with an SD card and RAM logs since 6-7 years with the same SD without any failure.