For more details about this slop space, see this comment: https://github.com/openzfs/zfs/blob/99741bde59d1d1df0963009bb624ddc105f7d8dc/module/zfs/spa_misc.c#L3

For more details about this slop space, see this comment: https://github.com/openzfs/zfs/blob/99741bde59d1d1df0963009bb624ddc105f7d8dc/module/zfs/spa_misc.c#L351 https://github.com/openzfs/zfs/blob/99741bde59d1d1df0963009b...