On 5/7/25 3:13 PM, Wol wrote: > On 07/05/2025 17:39, Anna wrote: >> If I had only one disk, I'd just make one big root partition. But >> there are two SSDs, and I could need more than the smallest (111,8G) >> disk allows to fit. I could combine them into singe logical >> partition using LVM. > > So, I'd take the smallest disk, and make it /efi (or /boot) and /. I'd > also disagree with Eli about a tiny /efi. If you want to multi-boot > you'll be up a gum tree (yes, you can have multiple efi partitions blah > blah blah, but - I think it was SUSE - defaulted to a tiny efi and I had > to wipe and rebuild the laptop). Make /efi about 512MB. The rest of it > will make a big / partition.
If you want to multiboot, then you... tell grub-mkconfig via os-prober to scan for them? It operates precisely the same way booting to Gentoo does. From grub's perspective, *all* operating systems are sets of external OS partitions and possibly boot partitions or possibly /boot directories. It will assemble a grub boot menu that mounts the /boot for that multiboot OS and loads the kernel, as normal. This is the biggest reason to go without a large efi partition, because it *just works* instead of worrying about whether your EFI is big enough to support arbitrary future kernels of arbitrary future OSes. -- Eli Schwartz
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