MarsSeed [1] filed a deletion request for zfs-linux-rc [2]: Useless, broken, abandoned prerelease package from 2021. Users should use either the stable zfs module, or a git package: - zfs-linux-git (master branch) - zfs-utils-staging-git (latest version-specific prerelease branch) [1] https://aur.archlinux.org/account/MarsSeed/ [2] https://aur.archlinux.org/pkgbase/zfs-linux-rc/