I’m running a Ubuntu server on my old laptop with an external HDD connected to it. The external HDD is powered independently from the laptop, as it is plugged into the wall.
During a power outage, my laptop remains operational due to its battery, but the HDD shuts down. When power is restored, my laptop does not automatically remount the HDD, and I have to reboot the system manually to access it.
Does anyone know how I can resolve this issue?


Do you have a USB power bank you can recommend? My external HDD requires a wall plug and I’ve never seen a USB power bank where I could plug my HDD into it.
You have a 3.5" based HDD (aka desktop drive). many people use 2.5" drives (laptop drives) since they get power from the PC with just usb
So that means it’s not possible for me to power my 3.5" HDD with just USB, right?