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What's with all these hip filesystems and how are they different?
(lm.paradisus.day)
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this post was submitted on 07 Dec 2023
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related question, although i don't think it's big enough for a post of its own.
if i use btrfs subvolumes, does it mean that i can have one EFI partition and one root partition, and then subdivide the root partition using subvolumes? how would that work during the installation process? or is it done after installation?
One EFI + one ROOT partition is what I do on both my laptop and desktop for years, /home is a subvolume to my root partition. This setup suits my needs as I don't have to worry about how big should my root or home (gaming) partition should be.
I use Arch on my desktop and Opensuse on my laptop. They both have options to set up subvolumes from their installer, Debian does not, and I'm not sure about other distros, but you can always set that up after installation, just make your home partition the last one (after the root partition) so you can easily delete it after and grow the root partition without much blocks relocation.
I've never heard of sub volumes. What do they do for me? Why not just partition the disk or store everything on the one partition?
I like to think a subvolume is a directory on my filesystem that:
This is by no mead a definition for BTRFS subvolume, but I hope you get the idea.
I already have a partition layout in btrfs where I have a /home and a /root partition, since when I installed I didn't know about btrfs subvolumes. I use Void Linux and I think it's after installation, since I don't remeber having a subvolumes step during the installation.
I'll make sure to remind about btrfs subvolumes in case I reinstall. There's a
btrfsprogram that has asubvolumeargument, so I'm guessing that's what I could use.Pretty much, yeah. At some point I remember the recommendation being having a separate /boot as well due to incompatibilities with GRUB's save default option iirc, not sure that's a thing anymore.
Anyway, you usually set that up during the install process, although I'm not sure graphical installers let you handcraft btrfs subvolume mount points or even select them as such these days. Last I checked at least they either just used a default layout (@ and @home with Ubuntu, for instance) or treated it as a single volume with no further options.
Exactly. But if you tend to be on the hoarder side, put a swap partition in there too. Even 32GB ram isn't enough sometimes