On Wed, Sep 20, 2017 at 04:25:21PM +0100, Steve McIntyre wrote: >On Wed, Sep 20, 2017 at 05:19:14PM +0200, Pierre Couderc wrote: >>On 09/20/2017 04:38 PM, Steve McIntyre wrote: >> >>> Actually, that's not your problem. My best guess is that you've done >>> an installation booted in BIOS mode, not UEFI mode. That's why you've >>> got grub-pc installed rather than grub-efi-amd64. Do you actually care >>> about booting via UEFI, or are you just looking for a bootable system? >>> If the latter, simply reformat your ESP (/dev/sdb1) to be a normal >>> ext2 or ext3 partition and use that as /boot. You could even do a RAID >>> /boot using sdb1 and sdc1 together... >>> >>I am sure that my "bios" is UEFI. >>But I have done as you say, in case it exists an hypothetical "BIOS mode" in >>UEFI : >> >>root@nous:~# grub-install /dev/sdb1 >>Installing for i386-pc platform. >>grub-install: warning: File system `ext2' doesn't support embedding. >>grub-install: error: filesystem `btrfs' doesn't support blocklists. >> >>And it fails (as usual with a initramfs prompt)... > >Sorry, should have been clearer. Try "grub-install /dev/sdb" to >install to the MBR of the disk, not the partition.
In fact... If you're going to try that configuration, you'll also want to # apt install --reinstall grub-pc with the new /boot mounted, to set everything up there too. -- Steve McIntyre, Cambridge, UK. st...@einval.com "This dress doesn't reverse." -- Alden Spiess
