Proposed F19 Feature: Dracut HostOnly

Bill Nottingham notting at redhat.com
Wed Jan 30 22:07:17 UTC 2013


Miloslav Trmač (mitr at volny.cz) said: 
> On Tue, Jan 29, 2013 at 4:53 PM, Dennis Gilmore <dennis at ausil.us> wrote:
> > even loading a 20mb initramfs from a sdcard on a slow
> > arm box doesnt take that long, and id personally much rather be able to
> > change hardware or yank the drive  and put it into a different box
> > without worrying about making sure i have the right initramfs bits in
> > place. at least to me the costs outweigh the benefits. the grub timeout
> > on my laptop/desktops is longer than the time it takes to load the
> > initramfs.
> 
> This actually suggests a different way to achieve the same result:
> Teach grub to preload the kernel and initrd while waiting for the
> timeout.  That gives us _even better_ speedup, and doesn't sacrifice
> the generic usability of the initrd.

Well, if the plan is to not timeout, that won't help. But it could be
interesting. Although, everything I've heard about the grub code makes
me entirely concerned when something that amounts to 'introduce threads'
is suggested.

Bill


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