RE: [PATCH] Add --force option to step 2 in early-kdump-howto.txt

Hello,

Thanks for the comment.
> If we remove this, how about explicitly adding a backup process before
> rebuilding initramfs for safety's sake?  I think there will also be times
> when we want to put it back completely.

You're right. I will add the statement as note under step 2.

Best Regards,
Shigeki Morishima
> -----Original Message-----
> From: HAGIO KAZUHITO(萩尾　一仁) 
> Sent: Friday, January 31, 2020 12:37 AM
> To: Morishima, Shigeki/森島 茂貴 ; '[e-mail]'
>
> Subject: RE: [PATCH] Add --force option to step 2 in early-kdump-howto.txt
> > -----Original Message-----
> > Hello,
> >
> > For step2 in early-kdump-howto.txt, --force option of dracut
> > is necessary to rebuild system initramfs. Without --force option,
> > executing step2 fails because system initramfs already exists.
> > Signed-off-by: Shigeki Morishima
> >
> > early-kdump-howto.txt | 5 ++---
> >  1 file changed, 2 insertions(+), 3 deletions(-)
> >
> > diff --git a/early-kdump-howto.txt b/early-kdump-howto.txt
> > index b8cab6a..5f592c1 100644
> > --- a/early-kdump-howto.txt
> > +++ b/early-kdump-howto.txt
> > @@ -34,14 +34,13 @@ You can rebuild the initramfs with earlykdump support with below steps:
> >      For the failure_action, you can choose anything other than "reboot".
> > rebuild system initramfs with earlykdump support.
> > # dracut --add earlykdump
> > # dracut --force --add earlykdump
> > add rd.earlykdump in grub kernel command line.
> >
> > Note:
> > [1]. Early kdump initramfs size will be large because it includes vmlinuz and
> > -kdump initramfs. And for step 2 if you are sure to overwrite system initramfs
> > -you can backup the original initramfs and use "--force" option.
> > +kdump initramfs.
>
> Hi,
>
> If we remove this, how about explicitly adding a backup process before
> rebuilding initramfs for safety's sake?  I think there will also be times
> when we want to put it back completely.
> (It may be good to have such a procedure as well.)
>
> Thanks,
> Kazu
> > [2]. Early kdump inherits the settings of normal kdump, so any changes that
> >  caused normal kdump rebuilding also require rebuilding the system initramfs
> > --
> > 1.8.3.1
> >
> > Best Regards,
> > Shigeki Morishima
> >
> > 森島　茂貴(Morishima Shigeki)
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