UGREEN's DX4600 Pro is a four-bay NAS with a built-in system based on OpenWRT called UGOS. It can install Debian or other open-source NAS systems, but the issue is that the installed non-UGOS system ...

To blink the disk LED when a block device is active, you can use the ledtrig-oneshot module and monitor the changes of /sys/block/sda/stat (see scripts/ugreen-diskiomon for an example). If you are ...