On Fri, Dec 05, 2014 at 09:35:42AM +0100, Tomas Cech wrote:
At Fri, 05 Dec 2014 00:04:23 +0100, Ludovic Courtès wrote:Tomas Cech <sleep_wal...@suse.cz> skribis: > I tried to install Guix as alternative OS to my Gentoo and openSUSE > installations to give a try. I tried unsupported scenario - > installation on LVM volume and separate /boot partition until I was > told it is unsupported. Separate boot wasn't hard as I had to just > copy generated files so they are loaded. OK, but there’s still an open bug on that topic. :-) http://bugs.gnu.org/19220Good, I'll give a try again.> 1] if you set device to partition (and not to disk) in your grub-configuration like this: > > (bootloader (grub-configuration > (device "/dev/sda4"))) Why would you want to use a partition and not a disk? I didn’t know this was even possible.Because this way I can separate Grub managed by Guix and Grub from my Gentoo. As I'm playing with that on my notebook I need for work, this way can reduce risks. I'm not sure how Guix installer can manipulate with grub.cfg and I'd like to always have some working system...> `guix system init' will fail on grub installation. By default Grub > tries to fit in the beginning of partition and fails if it can't fit > in. I asked about this behaviour on Grub mailing list and it seems > that there are two options: > > a] add `--force' to command line and use block list for keeping information about position of Grub's core.img > b] use filesystem which allows embedding - BtrFS or ZFS > > I verified both options (a] and then b] with BtrFS) and it no longer fails. > > But, > ad a] - I don't feel safe passing `--force' to grub-install every > time. So if installation fails on this point and you'd like to use > your FS anyway, you can pass `--no-grub' to `guix system init' and > then rung grub-install manually. > > ad b] - I don't feel safe using still experimental BtrFS. OK. I think the conclusion for Guix is to leave the defaults unchanged. Perhaps we could add a ‘force?’ field to the ‘grub-configuration’ data type to allow those who know what they doing to get the effect of ‘--force’. WDYT?
After giving some more thoughts and after more experience with the process I do agree that exposing `--force' parameter into grub-configuration is good idea. I'm filing bug for that.
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