Aug 31 23:20 2018, Ward Dossche wrote to Markus Reschke:
WD> It's a disc which was only powered up once in while. July and half of WD> August it was not powered up.
What is that disk for? Backup? And which model do you have?
WD> Seagate is a decent brand I would say. And I noticed the same crap WD> with WD.
It's not about the brand, it's about the disk model. Both vendors offer all kind of hard drives from very cheap to high performance server disks or huge archive drives.
WD> So if these are not the quality discs, then which are?
First let's find out which disk you got and what its purpose is.