Grub2 install error failed to get canonical path of

# Installation guide, Installation, Install the base packages
packstrap /mnt base base-devel vim

# Installation guide, Installation, Configure the system, Fstab
genfstab -U /mnt >> /mnt/etc/fstab

# Installation guide, Installation, Configure the system, Chroot
arch-chroot /mnt

# Installation guide, Installation, Configure the system, Time zone
ln -sf /usr/share/zoneinfo/Europe/Copenhagen /etc/localtime

# Installation guide, Installation, Configure the system, Localization
vim /etc/locale.gen
# Uncomment en_US.UTF-8 UTF-8 and other needed locales in /etc/locale.gen, and generate them with:
locale-gen
# Set the LANG variable in locale.conf(5) accordingly, for example:
vim /etc/locale.conf
# LANG=en_US.UTF-8
# If you set the keyboard layout, make the changes persistent in vconsole.conf(5):
vim /etc/vconsole.conf
# KEYMAP=dk-latin1

# Installation guide, Installation, Configure the system, Network configuration
vim /etc/hostname
# lenovo-u41-70
vim /etc/hosts
# 127.0.0.1	localhost
# ::1		localhost
# 127.0.1.1	lenovo-u41-70.localdomain	lenovo-u41-70
pacman -S networkmanager
systemctl enable NetworkManager

# dm-crypt/Encrypting an entire system, Encrypted boot partition (GRUB), Configuring mkinitcpio
vim /etc/mkinitcpio.conf
# Change HOOKS line to:
# HOOKS=(base systemd autodetect keyboard sd-vconsole modconf block sd-encrypt sd-lvm2 filesystems fsck)

# Installation guide, Installation, Configure the system, Initramfs
mkinitcpio -p linux

# Installation guide, Installation, Configure the system, Root password
passwd

# dm-crypt/Encrypting an entire system, Encrypted boot partition (GRUB), Configuring GRUB
pacman -S grub efibootmgr
grub-install --target=x86_64-efi --efi-directory=/efi --bootloader-id=GRUB --recheck
grub-install --target=i386-pc --recheck /dev/sda
# Configure GRUB to recognize the LUKS encrypted /boot partition and unlock the encrypted root partition at boot:
vim /etc/default/grub
# GRUB_CMDLINE_LINUX="... rd.luks.name=<sda4-UUID>=cryptlvm" ...
# GRUB_ENABLE_CRYPTODISK=y
grub-mkconfig -o /boot/grub/grub.cfg
# Use workaround if grub-mkconfig hangs: https://bbs.archlinux.org/viewtopic.php?pid=1820949#p1820949

# dm-crypt/Encrypting an entire system, Encrypted boot partition (GRUB), Configuring fstab and crypttab
dd bs=512 count=4 iflag=fullblock if=/dev/random of=/etc/mykeyfile
chmod 600 /etc/mykeyfile
cryptsetup luksAddKey /dev/sda3 /etc/mykeyfile
vim /etc/crypttab
# cryptboot /dev/sda3   none    luks
vim /etc/crypttab
# cryptboot    UUID=<UUID identifier of crypto_LUKS partition on sda3>    /etc/mykeyfile
vim /etc/fstab
# /dev/mapper/cryptboot        /boot   ext4        defaults        0       2
vim /etc/pacman.conf
# It may be worth considering to add the GRUB bootloader to the ignore list of /etc/pacman.conf in order to take particular control of when the bootloader (which includes its own encryption modules) is updated.

# Installation guide, Installation, Configure the system, Boot loader
pacman -S intel-ucode
grub-mkconfig -o /boot/grub/grub.cfg

# Installation guide, Installation, Reboot
exit
umount -R /mnt
reboot

# TODO:
# Installation guide, Installation, Post-Installation
# Fix keymap for GRUB stage 1 https://bbs.archlinux.org/viewtopic.php?id=240739
# Fix having to enter passphrase twice to boot.
# WiFi https://wiki.archlinux.org/index.php/Network_configuration
# Suspend to disk https://wiki.archlinux.org/index.php/Dm-crypt/Swap_encryption#With_suspend-to-disk_support
# https://wiki.archlinux.org/index.php/General_recommendations
# See tip about cryptboot after install. https://wiki.archlinux.org/index.php/Dm-crypt/Encrypting_an_entire_system#Encrypted_boot_partition_(GRUB)

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Reljoy

Level 4

Posts: 300

Joined: Sat Mar 13, 2010 12:12 am

mint@mint ~ $ sudo fdisk -l

Disk /dev/sda: 2000.4 GB, 2000398934016 bytes
255 heads, 63 sectors/track, 243201 cylinders, total 3907029168 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 identifier: 0x00011056

   Device Boot      Start         End      Blocks   Id  System
/dev/sda1   *        2048  1024002047   512000000    7  HPFS/NTFS/exFAT
/dev/sda2      1024002048  1025025485      511719   83  Linux
/dev/sda3      1025028094  3907028991  1441000449    5  Extended
Partition 3 does not start on physical sector boundary.
/dev/sda5      1025028096  1034790911     4881408   82  Linux swap / Solaris
/dev/sda6      1034792960  1151987711    58597376   83  Linux
/dev/sda7      1151989760  3907028991  1377519616   83  Linux

mint@mint ~ $ sudo blkid
/dev/loop0: TYPE="squashfs" 
/dev/sr0: LABEL="Linux Mint 17.1 MATE 64-bit" TYPE="iso9660" 
/dev/sda1: UUID="B694CBEC94CBAD65" TYPE="ntfs" 
/dev/sda2: UUID="d250d8b4-82c9-4b40-9fd1-40fb4ecf547a" TYPE="ext2" 
/dev/sda5: UUID="e56b41bd-3849-442b-8f6e-052f6ad308e3" TYPE="swap" 
/dev/sda6: UUID="29a46605-59c0-4845-b9cd-a22d5bfeb672" TYPE="ext4" 
/dev/sda7: UUID="ffd02ebf-6297-473e-a65f-f77bcb318bde" TYPE="ext4" 

Pierre

Level 21

Posts: 12788

Joined: Fri Sep 05, 2008 5:33 am

Location: Perth, AU.

Reljoy

Level 4

Posts: 300

Joined: Sat Mar 13, 2010 12:12 am

mint@mint ~ $ sudo mount /dev/sda6 /mnt
mint@mint ~ $ sudo mount /dev/sda2 /mnt

mint@mint ~ $ sudo grub-install --root-directory=/mnt/ /dev/sda
grub-probe: error: failed to get canonical path of `/cow'.
Installing for i386-pc platform.
Installation finished. No error reported.

mint@mint ~ $ sudo grub-install --root-directory=/mnt/ /dev/sda
grub-probe: error: failed to get canonical path of `/cow'.
Installing for i386-pc platform.
Installation finished. No error reported.

Pjotr

Level 23

Posts: 18550

Joined: Mon Mar 07, 2011 10:18 am

Location: The Netherlands (Holland) 🇳🇱

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Reljoy

Level 4

Posts: 300

Joined: Sat Mar 13, 2010 12:12 am

mint@mint ~ $ sudo mount /dev/sda2 /mnt
mint@mint ~ $ sudo grub-install --root-directory=/mnt/ /dev/sda
grub-probe: error: failed to get canonical path of `/cow'.
Installing for i386-pc platform.
Installation finished. No error reported.
mint@mint ~ $ sudo update-grub
/usr/sbin/grub-probe: error: failed to get canonical path of `/cow'.

Pjotr

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Posts: 18550

Joined: Mon Mar 07, 2011 10:18 am

Location: The Netherlands (Holland) 🇳🇱

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Reljoy

Level 4

Posts: 300

Joined: Sat Mar 13, 2010 12:12 am

mint@mint /mnt $ blkid
/dev/loop0: TYPE="squashfs" 
/dev/sda1: UUID="B694CBEC94CBAD65" TYPE="ntfs" 
/dev/sda2: UUID="d250d8b4-82c9-4b40-9fd1-40fb4ecf547a" TYPE="ext2" 
/dev/sda5: UUID="e56b41bd-3849-442b-8f6e-052f6ad308e3" TYPE="swap" 
/dev/sda6: UUID="29a46605-59c0-4845-b9cd-a22d5bfeb672" TYPE="ext4" 
/dev/sda7: UUID="ffd02ebf-6297-473e-a65f-f77bcb318bde" TYPE="ext4" LABEL="Home" 
/dev/sr0: LABEL="Linux Mint 17.1 MATE 64-bit" TYPE="iso9660" 

Pjotr

Level 23

Posts: 18550

Joined: Mon Mar 07, 2011 10:18 am

Location: The Netherlands (Holland) 🇳🇱

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Reljoy

Level 4

Posts: 300

Joined: Sat Mar 13, 2010 12:12 am

mint@mint ~ $ sudo grub-install --root-directory=/mnt /dev/sda
grub-probe: error: failed to get canonical path of `/cow'.
Installing for i386-pc platform.
Installation finished. No error reported.

mint@mint ~ $ df
Filesystem     1K-blocks    Used Available Use% Mounted on
/cow             1764912   78708   1686204   5% /
udev             1720464      12   1720452   1% /dev
tmpfs             352984    1360    351624   1% /run
/dev/sr0         1594656 1594656         0 100% /cdrom
/dev/loop0       1554816 1554816         0 100% /rofs
none                   4       0         4   0% /sys/fs/cgroup
tmpfs            1764912       4   1764908   1% /tmp
none                5120       0      5120   0% /run/lock
none             1764912      76   1764836   1% /run/shm
none              102400      36    102364   1% /run/user
/dev/sda6       57546748 5229748  49370748  10% /mnt
/dev/sda2         495560    6781    463195   2% /mnt/boot

Pjotr

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Joined: Mon Mar 07, 2011 10:18 am

Location: The Netherlands (Holland) 🇳🇱

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Pjotr

Level 23

Posts: 18550

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Location: The Netherlands (Holland) 🇳🇱

Contact:

Laurent85

Level 17

Posts: 7015

Joined: Tue May 26, 2015 10:11 am

$ sudo mount /dev/sda6 /mnt
$ sudo mount /dev/sda2 /mnt/boot
$ sudo mount -o bind /dev /mnt/dev
$ sudo -s
# chroot /mnt
# mount -t proc proc /proc && mount -t sysfs sysfs /sys && mount -t devpts devpts /dev/pts
# grub-install /dev/sda
# update-grub
# umount /dev/pts /sys /proc
# exit
another exit
# exit
$ sudo umount /mnt/dev /mnt/boot /mnt

Reljoy

Level 4

Posts: 300

Joined: Sat Mar 13, 2010 12:12 am

mint@mint ~ $ sudo mount /dev/sda6 /mnt
mint@mint ~ $ sudo mount /dev/sda2 /mnt/boot
mint@mint ~ $ sudo mount -o bind /dev /mnt/dev
mint@mint ~ $ sudo -s
mint ~ # chroot /mnt
mint / # mount -t proc proc /proc && mount -t sysfs sysfs /sys && mount -t devpts devpts /dev/pts
mint / # grub-install /dev/sda
Installing for i386-pc platform.
Installation finished. No error reported.
mint / # update-grub
Generating grub configuration file ...
  No volume groups found
Found Windows 8 (loader) on /dev/sda1
done
mint / # umount /dev/pts /sys /proc
mint / # exit
exit
mint ~ # exit
exit
mint@mint ~ $ sudo umount /mnt/dev /mnt/boot /mnt
mint@mint ~ $ 

mount -t proc proc /proc && mount -t sysfs sysfs /sys && mount -t devpts devpts /dev/pts

Reljoy

Level 4

Posts: 300

Joined: Sat Mar 13, 2010 12:12 am

Laurent85

Level 17

Posts: 7015

Joined: Tue May 26, 2015 10:11 am

$ sudo mount /dev/sda2 /mnt
$ sudo ls /mnt
$ sudo umount /mnt
$ sudo mount /dev/sda6 /mnt
$ sudo ls /mnt/boot
$ sudo umount /mnt

Reljoy

Level 4

Posts: 300

Joined: Sat Mar 13, 2010 12:12 am

mint@mint ~ $ sudo mount /dev/sda2 /mnt
mint@mint ~ $ sudo ls /mnt
boot  grub  lost+found
mint@mint ~ $ sudo umount /mnt
mint@mint ~ $ sudo mount /dev/sda6 /mnt
mint@mint ~ $ sudo ls /mnt/boot
grub
mint@mint ~ $ sudo umount /mnt
mint@mint ~ $ 

Reljoy

Level 4

Posts: 300

Joined: Sat Mar 13, 2010 12:12 am

mint@mint ~ $ sudo mount /dev/sda2 /mnt
mint@mint ~ $ sudo ls /mnt
boot  grub  lost+found
mint@mint ~ $ sudo umount /mnt
mint@mint ~ $ sudo mount /dev/sda6 /mnt
mint@mint ~ $ sudo ls /mnt/boot
grub
mint@mint ~ $ sudo umount /mnt
mint@mint ~ $ sudo mount /dev/sda2 /mnt
mint@mint ~ $ sudo ls /mnt/boot
grub
mint@mint ~ $ sudo umount /mnt
mint@mint ~ $ sudo mount /dev/sda6 /mnt
mint@mint ~ $ sudo cat /mnt/etc/fstab
# /etc/fstab: static file system information.
#
# Use 'blkid' to print the universally unique identifier for a
# device; this may be used with UUID= as a more robust way to name devices
# that works even if disks are added and removed. See fstab(5).
#
# <file system> <mount point>   <type>  <options>       <dump>  <pass>
# / was on /dev/sda6 during installation
UUID=29a46605-59c0-4845-b9cd-a22d5bfeb672 /               ext4    errors=remount-ro 0       1
# /boot was on /dev/sda2 during installation
UUID=2efbf722-5cd4-4f18-a1cb-dbfa18e403d0 /boot           ext2    defaults        0       2
# /home was on /dev/sda7 during installation
UUID=ffd02ebf-6297-473e-a65f-f77bcb318bde /home           ext4    defaults        0       2
# swap was on /dev/sda5 during installation
UUID=e56b41bd-3849-442b-8f6e-052f6ad308e3 none            swap    sw              0       0
mint@mint ~ $ sudo umount /mnt
mint@mint ~ $ 

Laurent85

Level 17

Posts: 7015

Joined: Tue May 26, 2015 10:11 am

$ sudo mount /dev/sda6 /mnt
$ sudo mount /dev/sda2 /mnt/boot
$ sudo mount -o bind /dev /mnt/dev
$ sudo -s
# chroot /mnt
# mount -t proc proc /proc && mount -t sysfs sysfs /sys && mount -t devpts devpts /dev/pts
Cleaning boot
# rm -r /boot/*
# grub-install /dev/sda
# apt-get --reinstall install linux-kernel-generic linux-headers-3.13.0-37 linux-headers-3.13.0-37-generic linux-image-3.13.0-37-generic linux-image-extra-3.13.0-37-generic
Reinstall shoud update initramfs & grub but to be sure :
# update-initramfs -u
# update-grub
Grub should report kernel image found
# umount /dev/pts /sys /proc
# exit
another exit
# exit
$ sudo umount /mnt/dev /mnt/boot /mnt

# Before upgrade (does not work)
root@debnastest:/etc/grub.d# /.zfs/snapshot/seems-to-work-now/usr/sbin/grub-probe --version
/.zfs/snapshot/seems-to-work-now/usr/sbin/grub-probe (GRUB) 2.02~beta2-22+deb8u1

# After upgrade (works)
root@debnastest:~# grub-probe --version
grub-probe (GRUB) 2.02~beta3-5

root@debnastest:/etc/grub.d# apt-cache policy grub-pc
grub-pc:
  Installed: 2.02~beta3-5
  Candidate: 2.02~beta3-5
  Version table:
 *** 2.02~beta3-5 0
        600 http://ftp.debian.org/debian/ testing/main amd64 Packages
        100 /var/lib/dpkg/status
     2.02~beta2-22+deb8u1 0
        700 http://ftp.us.debian.org/debian/ jessie/main amd64 Packages
        700 http://security.debian.org/ jessie/updates/main amd64 Packages

root@debnastest:~# zpool status
  pool: rpool
 state: ONLINE
  scan: resilvered 996K in 0h0m with 0 errors on Sat Mar 25 12:42:14 2017
config:

        NAME               STATE     READ WRITE CKSUM
        rpool              ONLINE       0     0     0
          mirror-0         ONLINE       0     0     0
            crypt-rpool-a  ONLINE       0     0     0
            crypt-rpool-b  ONLINE       0     0     0

errors: No known data errors
root@debnastest:~# grub-probe /boot
ext2
root@debnastest:~# grub-probe /
grub-probe: error: failed to get canonical path of `/dev/crypt-rpool-a'.
root@debnastest:~# ln -s /dev/mapper/crypt-rpool-* /dev/
root@debnastest:~# grub-probe /
grub-probe: error: unknown filesystem.

root@debnastest:~# zpool status
  pool: rpool
 state: ONLINE
  scan: resilvered 996K in 0h0m with 0 errors on Sat Mar 25 12:42:14 2017
config:

        NAME               STATE     READ WRITE CKSUM
        rpool              ONLINE       0     0     0
          mirror-0         ONLINE       0     0     0
            crypt-rpool-a  ONLINE       0     0     0
            crypt-rpool-b  ONLINE       0     0     0

errors: No known data errors
root@debnastest:~# grub-probe --version
grub-probe (GRUB) 2.02~beta3-5
root@debnastest:~# grub-probe /
zfs
root@debnastest:~# ls -l /dev/crypt*
ls: cannot access /dev/crypt*: No such file or directory

root@debnastest:/etc/grub.d# grub-probe --device /dev/mapper/crypt-rpool-a --target=fs_label                  
rpool

root@debnastest:~# gdisk -l /dev/sda
GPT fdisk (gdisk) version 0.8.10

Partition table scan:
  MBR: protective
  BSD: not present
  APM: not present
  GPT: present

Found valid GPT with protective MBR; using GPT.
Disk /dev/sda: 31457280 sectors, 15.0 GiB
Logical sector size: 512 bytes
Disk identifier (GUID): C9A4B367-0338-4234-AF67-0A75E82ABF5C
Partition table holds up to 128 entries
First usable sector is 34, last usable sector is 31457246
Partitions will be aligned on 2-sector boundaries
Total free space is 0 sectors (0 bytes)

Number  Start (sector)    End (sector)  Size       Code  Name
   1         1667072        31440861   14.2 GiB    BF01  rpool-b
   2              34            4095   2.0 MiB     EF02  bios-boot
   3            4096          618495   300.0 MiB   EF00  efi-boot
   4          618496         1667071   512.0 MiB   FD00  boot-b
   9        31440862        31457246   8.0 MiB     8301  Linux reserved

root@debnastest:~# gdisk -l /dev/sdb
GPT fdisk (gdisk) version 0.8.10

Partition table scan:
  MBR: protective
  BSD: not present
  APM: not present
  GPT: present

Found valid GPT with protective MBR; using GPT.
Disk /dev/sdb: 31457280 sectors, 15.0 GiB
Logical sector size: 512 bytes
Disk identifier (GUID): F6113851-6D14-4C39-AE43-D14B2B36DD13
Partition table holds up to 128 entries
First usable sector is 34, last usable sector is 31457246
Partitions will be aligned on 2-sector boundaries
Total free space is 0 sectors (0 bytes)

Number  Start (sector)    End (sector)  Size       Code  Name
   1         1667072        31440861   14.2 GiB    BF01  rpool-a
   2              34            4095   2.0 MiB     EF02  bios-boot
   3            4096          618495   300.0 MiB   EF00  efi-boot
   4          618496         1667071   512.0 MiB   FD00  boot-a
   9        31440862        31457246   8.0 MiB     8301  Linux reserved

root@debnastest:~# cat /etc/crypttab 
# <target name> <source device>         <key file>      <options>
crypt-rpool-a /dev/disk/by-partlabel/rpool-a none luks,initramfs
crypt-rpool-b /dev/disk/by-partlabel/rpool-b none luks,initramfs

root@debnastest:~# cat /etc/mdadm/mdadm.conf 
# mdadm.conf
#
# Please refer to mdadm.conf(5) for information about this file.
#

# by default (built-in), scan all partitions (/proc/partitions) and all
# containers for MD superblocks. alternatively, specify devices to scan, using
# wildcards if desired.
#DEVICE partitions containers

# auto-create devices with Debian standard permissions
CREATE owner=root group=disk mode=0660 auto=yes

# automatically tag new arrays as belonging to the local system
HOMEHOST <system>

# instruct the monitoring daemon where to send mail alerts
MAILADDR root

# definitions of existing MD arrays
ARRAY /dev/md/0  metadata=1.2 UUID=985a044f:1e43f780:7df469cf:48b6eca2 name=debian:0

# This configuration was auto-generated on Thu, 23 Mar 2017 19:18:37 +0100 by mkconf

root@debnastest:~# cat /etc/fstab 
rpool/ROOT/debian / zfs defaults 0 1
/dev/md/0 /boot ext4 defaults 0 2