Cannot import 'rpool'. One or more devices is currently unavailable. Error: 1

Asked by Pranav bhattarai on 2020-02-13

As discussed detailly in this post, I am in a serious situation:

Basically I can't start my computer. I see this error message:

Command: /sbin/zpool import -c /etc/zfs/zpool.cache -N 'rpool'
Message: cannot import'rpool': one or more devices is currently unavailable

Failed to import pool 'rpool'.
Manually import the pool and exit.

Screenshot of error message:

Distribution: Ubuntu 19.10
Filesystem: Zfs
Desktop Environment: Gnome 3.34.2

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bernard stafford (bernard010) said : #1

You have to be in root. What does the command : zpool import -m -R /mnt save
Try this command, a slim maybe-> Restart computer.
Are you able to open a Terminal and log in as root ?

bernard stafford (bernard010) said : #2

press Ctrl + Alt + F3 on your keyboard. Ubuntu will drop out of the graphical login screen and into a black and white terminal. Enter your username in the prompt, then provide your password when asked.

bernard stafford (bernard010) said : #3

Advanced filesystem called ZFS. ZFS is able create vast storage pools across multiple disks and supports creating filesystem snapshots, de-duplicating files, and compression. Making it possible to run ZFS as the root filesystem is an experimental feature planned for Ubuntu 19.10.

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