On Mon, 26 Feb 2018, wuzhouhui wrote:
> > -----Original Messages-----
> > From: "Steven Tardy" <sjt5atra@xxxxxxxxx>
> > Sent Time: 2018-02-26 10:48:48 (Monday)
> > To: "CentOS mailing list" <centos@xxxxxxxxxx>
> > Cc:
> > Subject: Re: How to update modules in iniramfs fastly
> >
> > On Sun, Feb 25, 2018 at 8:29 PM wuzhouhui <wuzhouhui14@xxxxxxxxxxxxxxxx>
> > wrote:
> >
> > > I know dracut can update modules in initramfs, but I think it is too
> > > slow. So I'm wondering what is the fastest way to update modules in
> > > initramfs of CentOS 7?
> >
> >
> > `dracut` calls `mkinitrd` which rebuilds the initrd file. . . you could do
> > it manually but that is prone to errors (
> > https://access.redhat.com/solutions/24029).
i think you have that backwards ... mkinitrd is simply a wrapper
around a call to dracut, which builds an initramfs.
> This solution does not work in CentOS 7, because initramfs in CentOS
> 7 is not a gzipped cpio:
it is, but to get to the content, you need to use "skipcpio" to jump
over the initial tiny cpio archive. see, for example:
https://sites.google.com/site/syscookbook/rhel/rhel-kernel-rebuild
rday
_______________________________________________
CentOS mailing list
CentOS@xxxxxxxxxx
https://lists.centos.org/mailman/listinfo/centos
