Hey guys,
I have a setup of four HDDs mounted to a QUAD SATA head on a Raspberry Pi 4. Currently I have the problem that my HDDs keep spinning after powering down my raspbian installation. All LEDs are off (except a green LED on the SATA hat and the red power LED on the Pi).
Why is this happening and how can I prevent this behaviour.
Regards,
Frogtime
I’m sorry that this has happened. But the information you’ve provided is so limited that I can’t locate the problem.
I have currently no idea where I can start looking for more details. Therefore, I describe you what I did so far:
All drives are visible and can be mounted as expected. The only issues is that they keep spinning when the raspberry pi 4 is powered off.
Can you tell me where I can look for further details?
Regards,
Frogtime
Thank you for describing your problem in detail. I’ll try to find a solution and let you know.
with my phone I can fully shutdown the powerplug and reconnect to start my RPI, my RPI is in garage).Seeing the same issue, main difference in my setup is that I only have one hard drive, I installed OMV using the setup script they provide, and I didn’t update the firmware (because the forum post detailing the process said not to).
I also see this problem. @setq, did you find a solution?
There is some useful information on this page about the spin down, its another product that uses the same jms561 controller:
https://wiki.odroid.com/accessory/add-on_boards/xu4_cloudshell2/firmware_upgrade
The spin down time on the drives can be set using the firmware upgrade tool, the command is:
./JMS561FwUpdate -d /dev/sda -t 5
Where -t 5 would be for 5 minutes, they mention that 1 and 2 do not work.
I used this approach and my drives do spin down, not sure if this is a fix for all or not.
Hey @quadnas,
thanks for the hint. That helped for the automatic spin down.
But this didn’t solve the problem of the spinning HDDs after powering off the raspberry pi.
I found the solution to add the following systemd unit:
[Unit]
Description=Handles all initialzitations of the HDDs.
Wants=rockpi-sata.service
After=rockpi-sata.service[Service]
Type=simple
RemainAfterExit=true
Restart=on-failure
ExecStartPre=/bin/sleep 30
ExecStart=/bin/bash /usr/bin/hdd_init.sh
ExecStop=/bin/bash /usr/bin/hdd_shutdown.sh[Install]
WantedBy=multi-user.target
The shutdown script unmounted the partitions and called the following command:
hdparm -y /dev/sda
That did the trick for me.
I hope that helps you guys.
@frogtime Cool! Could you please explain it in detail how you did that with that systemd approach for automatic spindown at shutdown? I’m just a linux noob 
I would also like to know what was in his hdd_init.sh and hdd_shutdown.sh and where does the above go? maybe in a file like quadnas.mount?
I have the same problem; after shutdown of the Pi the green light of the hat is still on and the disks are still spinning…
https://forum.radxa.com/t/hdds-keep-spinning-after-poweroff/3701/9
The method of frogtime looks useful. We can give it a try. @Joep
I think the problem is indeed the APM level of the disks @StephaneP. I wrote a systemd service file where the APM is set to 127. If the level is higher the disk won’t go to sleep.
My systemd .service file:
[Unit]
Description = service file for disk 1
After = disk1.mount
Requires = disk1.mount
[Service]
Type = oneshot
ExecStartPre = /usr/sbin/hdparm -S 12 /dev/disk/by-uuid/xxxxxxxxxxxxx
ExecStart = /usr/sbin/hdparm -B 127 /dev/disk/by-uuid/xxxxxxxxxxxxx
[Install]
WantedBy = multi-user.target
More information about this can be found here:
I’ll keep the link updated here because it’ll change in the near future. I will also add a shutdown script I am still working on but I think with setting the APM level, the disk will also stop on shutdown.
hdparm -B 127 /dev/sda