this post was submitted on 21 Sep 2024
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Using two seperate distros on different SSDs (lemmy.ca)
submitted 1 month ago* (last edited 1 month ago) by AmosBurton_ThatGuy@lemmy.ca to c/linux@lemmy.world
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Hey guys, I currently have two separate 2TB SSD's, one still has my old Windows 11 install and the other has Bazzite. I bought a 1TB SSD so that I can move my Windows install to that for the few things I still need Windows for, so I want to install CachyOS on what will eventually be an empty 2TB SSD.

First off, what's a good way to clone my current Windows install to my new 1TB SSD? I'd prefer to avoid re-installing just because that's a pain in the ass, but I'll do that if necessary.

Second, what's the best practice for managing two separate /home folders? I know I can just point Steam to my Bazzite /home directory to get my games to show up in another install (I think?) but are there any problems that may arise due to having two distros installed across two different SSD's? As far as I know, Bazzite already uses BTRFS which is also what I want to use in CachyOS so that I can create snapshots in case I break something, so the file systems should be compatible with each other.

Thanks!

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[–] Max_P@lemmy.max-p.me 4 points 1 month ago

That shouldn't be a problem. You can even install them on the same btrfs partition if you wanted to as long as each distro gets its own set of subvolumes for stuff. Separate partitions and even separate physical disks? No issues there, that's even less weird.

Ideally what I'd do in this scenario is at least make a subvolume for the Steam library that way you don't have to mount the actual home folder, just the Steam library subvolume. I also have a separate subvolume for movies and TV shows, and a few other things. It's just very convenient for organization purposes, and also technical purposes because now my home snapshots don't take all that much space as all the big data stuff is separate. No point backing up a Steam library.

But in the end, none of this really matters, you can mount anything just about anywhere. We all already mount a FAT32 at /boot or somewhere similar because UEFI requires it. The filesystems all have UUIDs which are usually used for configuring fstab and GRUB and whatnot, precisely so even if you physically swap the disks or even put it into another computer, it still works.