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我正在尝试在 ubuntu 14.04 上自定义 preseed。存储安装所需的所有参数的位置。在首次 OS 启动时导出值和变量，无需任何人工干预即可完成配置。在这个硬件配置过程中，我选择了基于 LVM 的架构。

当我尝试使用固定磁盘空间时，它适用于以下配置

d-i partman-auto/expert_recipe string               \
    boot-root ::                                    \
        250 1000 300 ext4                           \
            $primary{ } $bootable{ }                \
            method{ format } format{ }              \
            use_filesystem{ } filesystem{ ext4 }    \
            mountpoint{ /boot }                     \
        .                                           \
# swap with at least 5GB, maximum size of memory
        5120 500 100% linux-swap                    \
            $lvmok{ }                               \
            method{ swap } format{ }                \
        .                                           \
# /var/db/application with at least 40GB, maximum 40GB, and ext4
        40960 1000 40960 ext4                       \
            $lvmok{ }                               \
            method{ format } format{ }              \
            use_filesystem{ } filesystem{ ext4 }    \
            mountpoint{ /var/db/application }           \
        .                                           \
# / with at least 40GB, maximum 40GB, and ext4
        40960 1000 40960 ext4                       \
            $lvmok{ }                               \
            method{ format } format{ }              \
            use_filesystem{ } filesystem{ ext4 }    \
            mountpoint{ / }                         \
        .                                           \
# /var/log/application with at least 20GB, maximum rest of space, and ext4
        20480 1000 1000000 ext4                    \
            $lvmok{ }                               \
            method{ format } format{ }              \
            use_filesystem{ } filesystem{ ext4 }    \
            mountpoint{ /var/log/application }      \
        .                                           \

我的查询是当我尝试根据百分比分配磁盘空间时，因为每次硬盘分配都不同。它对我不起作用。partman配置如下

d-i partman-auto/expert_recipe string               \
    boot-root ::                                    \
        250 1000 300 ext4                           \
            $primary{ } $bootable{ }                \
            method{ format } format{ }              \
            use_filesystem{ } filesystem{ ext4 }    \
            mountpoint{ /boot }                     \
        .                                           \
# swap with at least 5GB, maximum size of memory
        5120 500 100% linux-swap                    \
            $lvmok{ }                               \
            method{ swap } format{ }                \
        .                                           \
# /var/db/application with at least 40% of disk provided, maximum 40% of disk provided, and ext4
        40% 1000 40% ext4                       \
            $lvmok{ }                               \
            method{ format } format{ }              \
            use_filesystem{ } filesystem{ ext4 }    \
            mountpoint{ /var/db/application }           \
        .                                           \
# / with at least 35% of disk provided, maximum 35% of disk provided, and ext4
        35% 1000 35% ext4                       \
            $lvmok{ }                               \
            method{ format } format{ }              \
            use_filesystem{ } filesystem{ ext4 }    \
            mountpoint{ / }                         \
        .                                           \
# /var/log/application with at least 20% of disk provided, maximum rest of space, and ext4
        20% 1000 1000000 ext4                       \
            $lvmok{ }                               \
            method{ format } format{ }              \
            use_filesystem{ } filesystem{ ext4 }    \
            mountpoint{ /var/log/application }      \
        .                                           \

我出错的任何帮助

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