On Dec 30, 2016 4:20 AM, "Mayavimmer" <mayavimmer@xxxxxxxxx> wrote:
>
> It seems that on EFI hardware Fedora 25 can be installed without the
> suggested separate /boot partition. I just selected auto partitioning on
> a LVM device, then deleted the given new /boot partition. It seems to
> work ok.
>
The simple answer is that the Fedora installer Anaconda interprets that by deleting the partition assigned for `/boot/` you are implying it can rely in the same partition used by `/`, remember `/boot/` is a subdirectory of `/`. On a UEFI system if still works because Anaconda so awesome that it finds the ESP partition and mount it under `/boot/efi/`, no matter if `/boot/` has it own partition or not.
It is highly recommended to have `/boot` on its on and separate partition. A good example is when you want to have an encrypted system, if the kernels under `/boot/` are in the same encrypted volume for `/`, the system will not boot.
This array is called "LVM on LUKS", I'm using this o my laptop, my Fedora requires the ESP partition, a partition for `/boot/` and another partition for the encrypted partition in which the logical volume group lives. Inside the LVG there are Logical Volumes for `/`, `/home` and swap.
> Is it safe? If so, why does the Fedora installer propose a separate
> /boot in this EFI hardware case with GPT partitioning? Are there
> advantages/disadvantages? Skipping the creation of a separate /boot
> seems very convenient since a new install under LVM would only require
> one new physical partition, and reduce clutter (though I am a little
> suspicious about having swap under LVM too - is it shared by other OS'
> too?).
>
> On the other hand note that the Btrfs volume install does not allow you
> to delete the /boot partition.
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