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| author | Sven Gothel <[email protected]> | 2022-10-16 04:27:39 +0200 |
|---|---|---|
| committer | Sven Gothel <[email protected]> | 2022-10-16 04:27:39 +0200 |
| commit | 34302975c55a539450a7b07df4fbcc5b55675518 (patch) | |
| tree | 7af87ac161d4368b5bba2c49a2d11592e2a01abd | |
| parent | 49c1467cd29517bc3d06ae9122439d43b09ab589 (diff) | |
Add manual zfs recovery documentation20201016-zfs-2.1.6
| -rw-r--r-- | README.md | 12 | ||||
| -rw-r--r-- | rescue/chroot_zfs.sh | 27 |
2 files changed, 39 insertions, 0 deletions
@@ -52,6 +52,18 @@ cd .. You can find convenient removal and install scripts within `scripts` folder. +### Manual ZFS Rescue + +Documented shell script `rescue/chroot_zfs.sh` shows how-to +- auto import local zfs pools +- chroot into the imported root filesystem + - bind special devices and pipes to zfs realm + - chroot into the zfs system +- shows three typical recovery tasks + - update-initramfs -u -k all + - update-grub + - grub-install /dev/disk/by-id/your_boot_root_device + ## ZFS Compatibility Settings Following compatibility feature sets have been tested diff --git a/rescue/chroot_zfs.sh b/rescue/chroot_zfs.sh new file mode 100644 index 0000000..1a3b417 --- /dev/null +++ b/rescue/chroot_zfs.sh @@ -0,0 +1,27 @@ +#! /bin/sh +# + +# +# Perform zfs auto import w/ temp root on /mnt +# +# - without force: zfs import -a -R /mnt +# - with force: zfs import -a -f -R /mnt +# + +# bind the special devices and pipes to zfs realm +# +mount --bind /dev/ /mnt/dev/ +mount --bind /sys/ /mnt/sys/ +mount --bind /proc/ /mnt/proc/ + +# chroot into it +# +# chroot /mnt +# + +# Potentially you might need to +# +# - update-initramfs -u -k all +# - update-grub +# - grub-install /dev/disk/by-id/your_boot_root_device +# |