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Re: update-grub fails saying it cannot find a device for /
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From: |
Andrei Borzenkov |
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Subject: |
Re: update-grub fails saying it cannot find a device for / |
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Date: |
Sun, 14 Nov 2021 17:45:22 +0300 |
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User-agent: |
Mozilla/5.0 (X11; Linux x86_64; rv:78.0) Gecko/20100101 Thunderbird/78.14.0 |
On 14.11.2021 16:31, Stefan Blachmann wrote:
> When I enter
> # update-grub
> I get an error message:
> /usr/sbin/grub-probe: error: cannot find a device for / (is /dev mounted?).
>
> /dev has been mounted before entering the chroot /mnt environment using
> # mount --rbind /dev /mnt/dev
>
In chroot you need at least /sys and /proc in addition to /dev, /run may also
be needed.
> If I enter
> # grub-probe
> it answers:
> No path or device is specified.
>
> If I enter
> # grub-probe /boot
> it answers:
> zfs
>
> So, what do I need to do to make update-grub work?
>