On 04/09/2014 22:05, Håkon Alstadheim wrote:
> On 04. sep. 2014 16:52, Tom H wrote:
>> On Thu, Sep 4, 2014 at 10:00 AM, Rich Freeman <ri...@gentoo.org> wrote:
>>> When booting from EFI you need a GPT boot partition (FAT - ugh) that
>>> actually contains the image that gets booted, so it needs to have room
>>> for at least a couple of kernels/initramfs - so that will be larger.
>>
> I'm working on getting a new motherboard, Will I still be able to have
> my boot filesystem on a flash-stick? Currently I have everything except
> /boot on LVM on top of Physical Volumes on unpartitioned raid volumes.
> Having a single drive with an odd size makes swapping drives around when
> they fail and drop out of the raid a hassle, and I do not want to waste
> 2G on every drive just to have a 2G boot partition. A flash stick (and
> another one for backup) is very pleasant to work with. Especially when i
> bork my initramfs or need to run maintenance without mounting my root
> filesystem. Will this work on an EFI board ?



I don't see why it won't work. You only need /boot for two things:

- at boot time, the boot loader must be able to see it so it can load
the kernel
- when you update grub, you will overwrite files to /boot

As for as the BIOS/EFI is concerned, a stick is like an hdd - just
another drive, nothing special about it. If signing is involved, it's
the boot image that gets signed.

I say go for it and test it out. What have you go to lose? The thing
will either boot off a stick or it won't, this test won't damage anything


-- 
Alan McKinnon
alan.mckin...@gmail.com


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