Re: How to install grub onto an added drive?

[Chris Green]

On Mon, Nov 18, 2019 at 09:42:13PM +0100, Pascal Hambourg wrote:
> Le 18/11/2019 à 20:44, sashab a écrit :
> > 
> > fist of all: A fresh install will be much less pain ;)
> 
> But so much less fun.
> 
> > Moving '/' to new device:
> > You'll have to boot a "live system" from a CD,
> > to copy your rootfs.
> 
> No, you don't. You can do it from the installed system.
> 
> > It would be better to create a new fs on /dev/nvme0p?
> > and rsync all files.
> 
> Better than what ? Cloning the raw partition then extending the filesystem ?
> Why ?
> 
> > If you have no separate boot partition
> 
> Actually I am failing to understand whether the small boot drive will be the
> current SSD or a new empty drive.
> 
It's an old/small/emptied drive.

> > However, you'll need to
> >      dpkg-reconfigure grub-pc
> > (or however the package's name is on xubuntu)
> > so that future updates of grub get installed on the right drive.
> 
> Good catch. Actually if you are familiar with using chroot you could even do
> this after chrooting to the new root filesystem instead of running
> grub-install and grub-mkconfig (or update-grub) as it will also perform both
> operations.
> 

-- 
Chris Green