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I recommend next time to use btrfs. With / and /home (at least) as separate subvolumes. Each subvolume will use the space it needs, and no more. If you have a 500Gb SSD with 300Gb in /home, and 20 in / they both have 180Gb they can use.
And when you manage to fill the 500Gb, it's easy to just add another drive to the volume.
Thx for eli5 the advantage of btrfs
Btrfs is really cool, just a warning: I had a surprise when I found out the subvolumes make a device more of a hassle to mount externally, you can't just put it on an external HDD enclosure and expect it to work as painlessly as it is with more "traditional" file systems, I had to mount each subvolume manually as GUI file managers only mounted the root.
It's not complicated, but more than I'd hoped for.
UPDATE
Booted to live and used gparted. had to fiddle with un-encrypting/re-encrypting the partitions in order to move everything around correctly, but everything was successful.
nothing ended up needing to be updated in boot. systemd-boot is so basic that so long as the uuids don't change, then it don't care.
All in all a good experience.
Awesome! 😎
Highly recommend using lvm in the future. You can undersize your partitions and when whichever one you need more space on it's easy to grow. Also really easy to live migrate to other drives as needed. Good luck.
And you can even do this with luks on lvm.
For future reference, you can move the pacman cache to another drive/partition.
/etc/pacman.conf
CacheDir = /path/to/cache/
Remember to make sure that all the boot configs are updated correctly after the resize. It could happen that your boot manager does not find the partition to unlock after a resize
resize2fs and lvreduce? I mean if you have used LVM... It's not easy, but doable without a reinstall. Yeah. the guides also tell people to make a backup first.
yeah, that's been my conclusion as well. ripping off a bandaid that may break bad.
what file system are you using?
ext4
https://btrfs.readthedocs.io/en/latest/btrfs-convert.html
This could help
That's really cool, I didn't realize this was even possible.