jeremy ardley wrote: > I have just converted a qnap TS-212 NAS from the vendor software to a stock > Debian 10. (Armel) > > I notice immediately that the NAS never spins down its disks when idle - as > it used to with the vendor software. > > The NAS is used maybe once per day to take backups via smb. > > Ideally, I'd like it to go to sleep after 30 minutes of inactivity, but wake > more or less instantly when a new smb connection is initiated. > > Less ideal would be to have some process that wakes it for specific time > periods. > > Checking the logs I see an hourly cron process is running, but not much > else. I'm fine with installing a ramdisk for syslog if required. > > I need advice on what else I can do to keep the device with disks unspun for > most of the day, yet still be available almost immediately when other > clients on the LAN need some NAS services.
You can apt install powertop , a program which will run a quick survey of your system and recommend power-saving config changes. If it has Wake On LAN support, you can have your backup job start by sending a WOL packet to it, waiting a few seconds, and then commencing. -dsr-
