On Tue, 11 Sep 2018 11:45 am Joel Brunetti <joelbrune...@gmail.com> wrote:
> Hey Team, > > I'm having trouble booting a previously bootable system. > This system has been in use since very shortly before the Stretch release > and has always been Stretch. > I'm using Grub to boot a fully encrypted system. Each drive is partitioned > with GPT and encrypted using LUKS. The drives are then used together with > BTRFS. > > This system has worked with some minor boot problems (Which I thought were > fixed by adding the bios_grub flag to my partition and the pmbr_boot flag > to my disk) for at least a year. > Today I can not boot the system. I suspect I've made it worse for trying > to repair it so I will jump to where I am now. > > When I boot I get on either device: > error: no such device: (UUID of my decrypted luks volume / btrfs pool) > error: unknown filesystem > Maybe check that the uuid hasn't changed somehow if mounting by uuid in /etc/fstab > I've chrooted onto the system using a usb key. > I can open my encrypted drives and mount the btrfs filesystem. > I suspected a bad kernel or grub update so I: > update initramfs -u -k all > update-grub > grub-install /dev/sda > grub-install /dev/sdb > > This gives the above errors when I boot. > > When I inspected /boot/grub/grub.cfg I noted it is missing "insmod > cryptodisk" and other encryption related modules. This is despite > /etc/default/grub containing "GRUB_ENABLE_CRYPTODISK=y". I tried restoring > /boot/grub/grub.cfg from a snapshot that does include those modules and > then grub-install to both drives again but to no avail. > > I'm really at a loss and could really use some help in restoring my system. > > Thanks, > Joel > > > >