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NixOS Root on ZFS: add escape hatch for zfs rollback

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Signed-off-by: Maurice Zhou <ja@apvc.uk>
This commit is contained in:
Maurice Zhou
2023-02-14 18:03:29 +01:00
committed by George Melikov
parent b3180fd225
commit 3a93793b53
1 changed files with 5 additions and 3 deletions
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8
docs/Getting Started/NixOS/Root on ZFS/configuration-immutable.nix
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@@ -244,9 +244,11 @@ in {
boot.loader.grub.devices = boot.loader.grub.devices =
(map (diskName: zfsRoot.devNodes + diskName) zfsRoot.bootDevices); (map (diskName: zfsRoot.devNodes + diskName) zfsRoot.bootDevices);
boot.initrd.postDeviceCommands = '' boot.initrd.postDeviceCommands = ''
zpool import -Nf rpool if ! grep -q zfs_no_rollback /proc/cmdline; then
zfs rollback -r rpool/nixos/empty@start zpool import -N rpool
zpool export -a zfs rollback -r rpool/nixos/empty@start
zpool export -a
fi
''; '';
} }