> 1. Leave them in their default location somewhere on the system SD card.
> But I assume this breaks one of the perceived benefits of PCP in that it
> exists in memory and only accesses the SD on bootup.
I decided not to worry too much about this. And my system has been
running somewhere between 1.5 to 2 years so far.
> 3. I utilise a smallish USB stick on the Pi3 and use it purely for the
> cache files?
I'm not sure USB sticks are any more robust than SD cards. Plus you'd
have to deal with moving the cache and logs etc.
Get a backup SD card, copy your configuration, and live with the risk.
--
Michael
> But I assume this breaks one of the perceived benefits of PCP in that it
> exists in memory and only accesses the SD on bootup.
I decided not to worry too much about this. And my system has been
running somewhere between 1.5 to 2 years so far.
> 3. I utilise a smallish USB stick on the Pi3 and use it purely for the
> cache files?
I'm not sure USB sticks are any more robust than SD cards. Plus you'd
have to deal with moving the cache and logs etc.
Get a backup SD card, copy your configuration, and live with the risk.
--
Michael