>> > It's also worth noting: on my setup with a spinning rust laptop drive
>> > hooked via USB 3 to my RPi, the drive doesn't spin continuously
>> > (apparently). So on occasional use, I wait a couple of seconds for the
>> > drive to spin up before it can transfer at full speed. It's possible an
>> > SSD would solve this, but I had the laptop drive around already.
[...]
> Or try the hdparm command to change spindown time or other power saving
> parameters. I use this to deliberately spin down my NAS drive after 10
[...]
> if NAS1=`findmnt -n -o SOURCE /nas1/main`; then /sbin/hdparm -S120 $NAS1;
> fi
Side note:
- In my experience, whether `hdparm -S..` works on a USB drive depends
on the USB<->SATA adapter in use. If it doesn't, `hdparm` will tell
you, tho.
- On my WD drives, the `-S` seems to be completely ignored and instead
the spin down time is chosen by the drive based on the APM setting
(i.e. `hdparm -B...`). I heard there's a `idle3-tools` thingy that
may be able to provide finer control, but I never tried it.
Stefan
