Question

我有来自fdisk -l的以下输出：

$ sudo fdisk -l

Disk /dev/sda: 160.0 GB, 160041885696 bytes
255 heads, 63 sectors/track, 19457 cylinders, total 312581808 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 identifier: 0x000dd2f1

   Device Boot      Start         End      Blocks   Id  System
/dev/sda1   *        2048      499711      248832   83  Linux
/dev/sda2          501758   312580095   156039169    5  Extended
/dev/sda5          501760   312580095   156039168   83  Linux

Disk /dev/mapper/sda5_crypt: 159.8 GB, 159782010880 bytes
255 heads, 63 sectors/track, 19425 cylinders, total 312074240 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 identifier: 0x00000000

Disk /dev/mapper/sda5_crypt doesn't contain a valid partition table

Disk /dev/mapper/ubuntu--vg-root: 151.3 GB, 151309516800 bytes
255 heads, 63 sectors/track, 18395 cylinders, total 295526400 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 identifier: 0x00000000

Disk /dev/mapper/ubuntu--vg-root doesn't contain a valid partition table

Disk /dev/mapper/ubuntu--vg-swap_1: 8468 MB, 8468299776 bytes
255 heads, 63 sectors/track, 1029 cylinders, total 16539648 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 identifier: 0x00000000

Disk /dev/mapper/ubuntu--vg-swap_1 doesn't contain a valid partition table

我的问题是：我的磁盘空间是多少？它只是/ dev / sda大小（160.0 GB）？或者我是否需要在/ dev / mapper中总结磁盘的大小？所以我的磁盘空间实际上是160.0 GB + 159.8 GB + 151.3 GB + 8468 MB？

如果/ dev / mapper磁盘包含在/ dev / sda磁盘中，如果我的总大小只有160.0 GB，我怎么能有一个大小为159.8 GB的逻辑磁盘和另一个大小为151.3 GB的逻辑磁盘？

我在查看磁盘的组织方式时遇到了一些麻烦，而且我不熟悉/ dev / mapper，我很确定我的笔记本中只有一个磁盘。

由于

Answer 1

您的总大小为160G，如果您想了解磁盘的组织方式，建议您使用gparted。

/ dev / mapper / *是逻辑分区，它只表示您使用LVM2逻辑卷管理安装了系统。

正确的等式是：

159.8 GB = 151.3 GB + 8468 MB

/ dev / s中的/ dev / map中是否列出了分区？

1 个答案: