NTFS硬盘分区在Ubuntu中识别异常求助

嘿，我来帮你捋捋这个问题：你在Windows 10里给ST2000DM008这块2TB硬盘分了两个NTFS分区，但Ubuntu只识别到一个，磁盘工具还把它们当成了一个分区对吧？

从你提供的sudo fdisk -l输出里，我找到了核心原因：你的这块2TB硬盘（/dev/sda）用的是Windows动态磁盘（Microsoft LDM），而不是普通的基本磁盘。Ubuntu默认不支持Windows动态磁盘的卷管理，所以会把整个动态磁盘的所有卷合并成一个LDM数据分区显示，这就是你看不到两个独立NTFS分区的问题所在。

给你两个可行的解决方向：

方法一：转换为基本磁盘（推荐，更稳定） #

如果条件允许，回到Windows系统操作，把动态磁盘转换成基本磁盘。重要提醒：转换前一定要备份好硬盘里的所有数据！ 转换步骤大概是：

• 打开Win10的「磁盘管理」（右键开始菜单就能找到）
• 右键点击动态磁盘上的卷，选择「转换为基本磁盘」
• 按照提示完成转换后，重启进入Ubuntu，应该就能正常识别到两个NTFS分区了

方法二：用工具挂载动态磁盘（无需转换） #

如果不想改动磁盘类型，可以试试Ubuntu下的ldmtool工具，它专门用来处理Windows动态磁盘：

1. 先安装工具：

   sudo apt update && sudo apt install ldmtool
   

2. 扫描系统里的动态磁盘：

   sudo ldmtool scan
   

3. 导入找到的动态磁盘（把<磁盘名称>换成扫描结果里的名字，比如可能是/dev/sda）：

   sudo ldmtool import <磁盘名称>
   

4. 列出磁盘里的所有卷：

   sudo ldmtool list volumes
   

5. 创建挂载点并挂载卷（比如挂载第一个卷）：

   sudo mkdir /mnt/ldm_volume1
   sudo mount /dev/mapper/ldm_<磁盘标识>_<卷名称> /mnt/ldm_volume1
   

另外还要注意：如果Windows开了「快速启动」，NTFS分区会处于锁定状态，Ubuntu也没法正常访问。记得先去Win10里关闭它：打开「电源选项」→「选择电源按钮的功能」→「更改当前不可用的设置」→ 取消勾选「启用快速启动」。

附上你提供的磁盘信息输出：

sudo fdisk -l

Disk /dev/loop0: 73,9 MiB, 77492224 bytes, 151352 sectors
Units: sectors of 1 * 512 = 512 bytes
Sector size (logical/physical): 512 bytes / 512 bytes
I/O size (minimum/optimal): 512 bytes / 512 bytes

Disk /dev/loop1: 4 KiB, 4096 bytes, 8 sectors
Units: sectors of 1 * 512 = 512 bytes
Sector size (logical/physical): 512 bytes / 512 bytes
I/O size (minimum/optimal): 512 bytes / 512 bytes

Disk /dev/loop2: 240,51 MiB, 252190720 bytes, 492560 sectors
Units: sectors of 1 * 512 = 512 bytes
Sector size (logical/physical): 512 bytes / 512 bytes
I/O size (minimum/optimal): 512 bytes / 512 bytes

Disk /dev/loop3: 97,71 MiB, 102453248 bytes, 200104 sectors
Units: sectors of 1 * 512 = 512 bytes
Sector size (logical/physical): 512 bytes / 512 bytes
I/O size (minimum/optimal): 512 bytes / 512 bytes

Disk /dev/loop4: 11,2 MiB, 11747328 bytes, 22944 sectors
Units: sectors of 1 * 512 = 512 bytes
Sector size (logical/physical): 512 bytes / 512 bytes
I/O size (minimum/optimal): 512 bytes / 512 bytes

Disk /dev/loop5: 496,98 MiB, 521121792 bytes, 1017816 sectors
Units: sectors of 1 * 512 = 512 bytes
Sector size (logical/physical): 512 bytes / 512 bytes
I/O size (minimum/optimal): 512 bytes / 512 bytes

Disk /dev/loop6: 91,69 MiB, 96141312 bytes, 187776 sectors
Units: sectors of 1 * 512 = 512 bytes
Sector size (logical/physical): 512 bytes / 512 bytes
I/O size (minimum/optimal): 512 bytes / 512 bytes

Disk /dev/loop7: 10,52 MiB, 11026432 bytes, 21536 sectors
Units: sectors of 1 * 512 = 512 bytes
Sector size (logical/physical): 512 bytes / 512 bytes
I/O size (minimum/optimal): 512 bytes / 512 bytes

Disk /dev/sda: 1,82 TiB, 2000398934016 bytes, 3907029168 sectors
Disk model: ST2000DM008-2FR1
Units: sectors of 1 * 512 = 512 bytes
Sector size (logical/physical): 512 bytes / 4096 bytes
I/O size (minimum/optimal): 4096 bytes / 4096 bytes
Disklabel type: gpt
Disk identifier: 4C943EA5-B9A8-45A4-A513-8177075DD757

Device     Start        End    Sectors  Size Type
/dev/sda1     34       2081       2048    1M Microsoft LDM metadata
/dev/sda2   2082      32767      30686   15M Microsoft reserved
/dev/sda3  32768 3907029134 3906996367  1,8T Microsoft LDM data

Partition 1 does not start on physical sector boundary.
Partition 2 does not start on physical sector boundary.

Disk /dev/sdb: 223,57 GiB, 240056327680 bytes, 468860015 sectors
Disk model: KINGSTON SA400S3
Units: sectors of 1 * 512 = 512 bytes
Sector size (logical/physical): 512 bytes / 512 bytes
I/O size (minimum/optimal): 512 bytes / 512 bytes
Disklabel type: gpt
Disk identifier: A0719CCE-0ECA-49F7-8B14-BEB2C372533A

Device         Start       End   Sectors   Size Type
/dev/sdb1       2048    206847    204800   100M EFI System
/dev/sdb2     206848    239615     32768    16M Microsoft reserved
/dev/sdb3     239616 365398015 365158400 174,1G Microsoft basic data
/dev/sdb4  467798016 468856831   1058816   517M Windows recovery environment
/dev/sdb5  365398016 467798015 102400000  48,8G Linux filesystem

Partition table entries are not in disk order.

Disk /dev/loop8: 40,86 MiB, 42840064 bytes, 83672 sectors
Units: sectors of 1 * 512 = 512 bytes
Sector size (logical/physical): 512 bytes / 512 bytes
I/O size (minimum/optimal): 512 bytes / 512 bytes

Disk /dev/loop9: 452 KiB, 462848 bytes, 904 sectors
Units: sectors of 1 * 512 = 512 bytes
Sector size (logical/physical): 512 bytes / 512 bytes
I/O size (minimum/optimal): 512 bytes / 512 bytes

备注：内容来源于stack exchange，提问作者Ovmanin