CR-2026-03-12: Arch Linux System Upgrade — Rollback

Rollback Plan

If system fails to boot:

  1. Boot from Arch ISO

  2. Mount root partition

  3. arch-chroot /mnt

  4. Downgrade problematic package: pacman -U /var/cache/pacman/pkg/<package>.pkg.tar.zst

  5. Or restore btrfs snapshot if available