On Fri, Jul 31, 2020 at 03:07:58PM +0100, Geoff Gibbs wrote: >On Fri, 31 Jul 2020 14:30:14 +0100 >Steve McIntyre <[email protected]> wrote: > >> I'm guessing - do you have multiple disks on your system? If so, try >> "grub-install <disk>" on each of the bootable disks and that should >> fix your problem. > >As I mentioned, > >mount /dev/sda5 /mnt >grub-install --boot-directory=/mnt /dev/sda > >has fixed the problem for me.
Yup. Sorry - I saw that. Trying to respond to lots of people atm... >fdisk -l reports :- > >Disk /dev/sda: 223.6 GiB, 240057409536 bytes, 468862128 sectors >Disk model: Corsair Force GS >Units: sectors of 1 * 512 = 512 bytes >Sector size (logical/physical): 512 bytes / 512 bytes >I/O size (minimum/optimal): 512 bytes / 512 bytes >Disklabel type: dos >Disk identifier: 0xc1920bad > >Device Boot Start End Sectors Size Id Type >/dev/sda1 * 2048 206847 204800 100M 7 HPFS/NTFS/exFAT >/dev/sda2 210942 468860927 468649986 223.5G 5 Extended >/dev/sda5 210944 722943 512000 250M 83 Linux >/dev/sda6 724992 468860927 468135936 223.2G 8e Linux LVM > > >Disk /dev/sdb: 931.5 GiB, 1000204886016 bytes, 1953525168 sectors >Disk model: WDC WD10EZRX-00A >Units: sectors of 1 * 512 = 512 bytes >Sector size (logical/physical): 512 bytes / 4096 bytes >I/O size (minimum/optimal): 4096 bytes / 4096 bytes >Disklabel type: dos >Disk identifier: 0xc1920ba9 > >Device Boot Start End Sectors Size Id Type >/dev/sdb1 * 2048 209717247 209715200 100G 7 HPFS/NTFS/exFAT >/dev/sdb2 209721342 1953523711 1743802370 831.5G 5 Extended >/dev/sdb5 209721344 230201343 20480000 9.8G 82 Linux swap / Solaris >/dev/sdb6 230203392 1953523711 1723320320 821.8G 8e Linux LVM > >Partition 2 does not start on physical sector boundary. > >And then there is a list of partitions handled by LVM (many for Xen) >but including :- > >Disk /dev/mapper/SSD0-root: 20 GiB, 21474836480 bytes, 41943040 sectors >Units: sectors of 1 * 512 = 512 bytes >Sector size (logical/physical): 512 bytes / 512 bytes >I/O size (minimum/optimal): 512 bytes / 512 bytes > >Disk /dev/mapper/HDD0-var: 9.3 GiB, 9999220736 bytes, 19529728 sectors >Units: sectors of 1 * 512 = 512 bytes >Sector size (logical/physical): 512 bytes / 4096 bytes >I/O size (minimum/optimal): 4096 bytes / 4096 bytes > >Disk /dev/mapper/SSD0-home: 38.6 GiB, 41473277952 bytes, 81002496 sectors >Units: sectors of 1 * 512 = 512 bytes >Sector size (logical/physical): 512 bytes / 512 bytes >I/O size (minimum/optimal): 512 bytes / 512 bytes ACK. I tend to do "fdisk -l /dev/sd?" to avoid that behaviour on my md/lvm machine here. :-) -- Steve McIntyre, Cambridge, UK. [email protected] You raise the blade, you make the change... You re-arrange me 'til I'm sane...
