On Tue, Sep 6, 2016 at 6:03 PM, gevisz <[email protected]> wrote: > 2016-09-07 0:32 GMT+03:00 Neil Bothwick <[email protected]>: >> On Wed, 7 Sep 2016 00:05:32 +0300, gevisz wrote: >> >>> >> But it seems that GRUB does not read fstab... :( >>> > >>> > It does not, because it has not loaded the kernel yet, so it cannot do >>> > anything on the system. >>> >>> Oh, poor little Grand Unified Boot Loader! >>> >>> It cannot do anything! Even to read fstab by its grub-mkconfig script! >> >> We were talking about GRUB the bootloader, not grub-mkconfig the Linux >> program to write grub.cfg. As you were asking whether you should run >> grub-mkconfig again, it seems reasonable to assume that you haven't run >> it since adding the disk, not that it should make a difference. >> >>> P.S. I usually run grub-mkconfig when kernel is already loaded! >>> And in my fstab all the disks are refered by UUID! >>> >> >> grub-mkconfig doesn't care about the fstab of the running distro since it >> scans your drives for all operating systems it can boot. >> >> Either look in grub.cfg to see what it going on or post it here along >> with the exact error messages so others may try for you. >> > > I have added the following line to the /etc/default/grub > > GRUB_CMDLINE_LINUX="root=UUID=44***" > > run > > # grub-mkconfig -o /boot/grub/grub.cfg > > and got in the following entry > > ### BEGIN /etc/grub.d/10_linux ### > menuentry 'Gentoo GNU/Linux' --class gentoo --class gnu-linux --class > gnu --class os $menuentry_id_option 'gnulinux-simple-44***' { > load_video > insmod gzio > insmod part_msdos > insmod ext2 > set root='hd1,msdos3' > if [ x$feature_platform_search_hint = xy ]; then > search --no-floppy --fs-uuid --set=root --hint-bios=hd1,msdos3 > --hint-efi=hd1,msdos3 --hint-baremetal=ahci1,msdos3 > --hint='hd1,msdos3' 44*** > else > search --no-floppy --fs-uuid --set=root 44*** > fi > echo 'Loading Linux 4.4.6-gentoo ...' > linux /boot/vmlinuz-4.4.6-gentoo root=/dev/sdb3 ro > } > > wich, in my view, does not differ a lot from what was before. > > The 44*** denotes the UUID of my boot partition. > > Will try it tomorrow and report. >
grub-mkconfig is not finding an initramfs, as evidenced by the lack of an "initrd" in in grub.cfg. If it is unable to find an initramfs, it will always output root=/dev/sdX instead of root=UUID=...
