Partitioning for Tumbleweed FDE on two disks?

English Install/Boot/Login
1

I’m thinking of installing Tumbleweed on my laptop; it has 2 SSDs, and I want to form a full-disk-encrypted btrfs pool out of them.

In order of importance:

  • Boot-to-snapshot should not be broken
  • I should only have to enter my password once from cold boot to desktop
  • I should not have to, say, pre-plan how much space to allocate for / vs /home, etc
  • There should be no partition unlockable with the TPM alone
  • The setup should be well-supported by OpenSUSE’s tooling in general

What partition setup should I use?

2

Easiest is probably to put 'em both in a VG and have a single LUKS+btrfs LV, but I’d prefer the information that there are two drives to propagate to the FS level.

3

No replies :frowning:

Anw! It turns out that searching for “encrypted btrfs root add disk” yielded a bunch more results. This person got through all the bits I’m worried about, but had to enter their password twice:

  • Two apparent successes that I can’t grasp enough to confidently apply:

Obv this is far, far easier with separate /boot, but I remember that doing that on Tumbleweed means no boot-to-snapshot. Hrm.