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Both. Have your router (optionally all clients) point to each DNS server. You can go further by keeping the pi holes synchronized:
https://github.com/vmstan/gravity-sync
Since some hostile clients (such as TVs) have hard coded DNS, it is necessary to forward all port 53 and 853 traffic to a pi hole. This is easy enough with NAT redirection rules in the router, even with two pis.
Another question: is that MB/sec or MiB/sec? Note that the 400 MiB/sec benchmark is 420 MB/sec.
Not a _huge_ difference, but it is a difference ;)
The other major difference is anything non-sequential, especially things like 4K reads. This is where the PCIe->USB->SATA (or PCIe->USB->NVMe) adapter overhead really slows things down.
Try out my benchmark script and see how it fares: https://github.com/geerlingguy/raspberry-pi-dramble/blob/mas...
(Thank the marketers for making everything confusing with MiB and MB...)
> Apparently this week NVMe SSD Boot was just added as a beta feature in the Pi firmware, though it requires a bit of a process to use it
Anyone know if you can boot from NVMe on the Pi if you biggest bootstrap it through an UEFI shim [1]?
[1] https://github.com/pftf/RPi4
Sorry, I meant "Homework" as in the entire album.
By "modulating the clock" I mean modulating the SoC base clock (nominally 100 MHz) with the audio to make an FM transmitter. Hook up a wire to the clock output GPIO pin and you have an FM antenna. Lay it next to an old FM clock radio and you now have a clock radio that plays whatever you want. Make a cron job and forget it.
https://github.com/pimylifeup/fm_transmitter