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Re: Feature proposal: Rebootless Installer

Felix Miata wrote:
On 2009/07/14 05:38 (GMT-0600) Douglas McClendon composed:

Felix Miata wrote:

Doesn't kexec, which does a BIOS bypassing reboot, accomplish what you want?
OpenSUSE's installer has had kexec_reboot=1 by default for a version or two
(I think default started with 11.1): http://en.opensuse.org/Kexec

... I could be wrong about that, or my interpretation of what kexec does ...

The first URL explains it.

Your first link seems currently broken (database error), and the second

It worked and works for me.

Yeah, it's working now.  My impression from LWN was correct.

doesn't really lead me to believe it is anything equivalent.

The second URL is mainly a list of installer options, and affirms my
statement that kexec is now a default option.

used *suse that much recently so I can't be sure- Is it perhaps something where they have a very minimal partial installation, then start writing the minimal stuff to disk, kexec-reboot, and then set you up in system that is finishing installing while you use it? If so, one

IIRC most rpms, initrd & Grub are installed by the initial installer, then
kexec prior to most configuration steps by the installer now running on the
installed kernel instead of the installation kernel.

So it is in fact like what I supposed, except instead of a minimal install before kexec, it's basically the full install followed by a kexec reboot. Which again, is an entirely different user experience.



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