I am using my router with OpenWRT as a small server. To experiment a little with more advanced database administration in my programming projects I set up psql on it. The.server uses my HDD, which is attached via USB to the router. This is no high-availability.system,. primarily as a DB connection point inside my private network.
Everything is going alright so far. I just experienced that my hd-idle setup is not working anymore. I highly suspect PostgreSQL to be the reason for that. Since the drive is not really that quiet and it's standing in my living room, I was Keen to spin the HDD down if I didn't use it for an hour. I now register quite some regular I/O on the device and I guess it's logging or similar processes. Is it possible to reduce the frequency of these helper processes down to maybe once a day?