I'm new to Linux and currently using Debian 13 with a ~200GB SSD for the OS and most applications, alongside a ~1TB HDD. I've been struggling to understand how to properly set up both drives to work together, especially since I'm used to the straightforward process in Windows where I could just format a drive and start using it for installing games. After a week of trial and error, I thought I finally managed to use my 1TB drive for the /usr directory, but now games installed on that drive won't launch. I installed a game on the SSD to test, and it works fine. So my questions are: 1. What's the right way to set this up from the installation of Debian? 2. Why is this process so complicated?
1 Answer
You're overthinking it! Just install the OS on the SSD like you normally would and after that, mount the HDD. In Steam, go to Settings > Storage and add the HDD as a new drive. Also, use gnome-disk-utility or gnome-disks to set the HDD to automount at login without default options.

I'll give this a try right now, looks like a good approach!