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beatzaplenty 619324589a Unmount everything under /mnt before zpool export, not just the chroot dirs ...

The previous fix (#42) only unmounted /mnt/{dev,proc,sys,run}, but disko
also mounts the ESP at /mnt/boot (modules/disko/baremetal.nix) -- another
nested mount blocking ZFS from unmounting its own root dataset at /mnt
the same way. Confirmed live: zpool export still failed with "cannot
unmount '/mnt': pool or dataset busy" after the chroot-only fix.

Replace the manual dev/proc/sys/run list with a single recursive
`umount -R /mnt`, which clears everything nested under /mnt -- current
and future mountpoints alike -- rather than needing to keep enumerating
whatever nixos-install/disko happen to leave mounted.

2026-07-22 04:23:42 +00:00

..

auto-install.sh

Unmount everything under /mnt before zpool export, not just the chroot dirs

2026-07-22 04:23:42 +00:00