我已经在 sda1 上安装了 Ubunto 14.04。但安装完成后，所有分区都消失了。我在 sda5 上有重要数据，当我运行以下命令时：sudo fdisk -l在终端中显示以下内容：
Disk /dev/sda: 500.1 GB, 500107862016 bytes
255 heads, 63 sectors/track, 60801 cylinders, total 976773168 sectors
Units = sectors of 1 * 512 = 512 bytes
Sector size (logical/physical): 512 bytes / 4096 bytes
I/O size (minimum/optimal): 4096 bytes / 4096 bytes
Disk identifier: 0x000cf11e
Device Boot Start End Blocks Id System
/dev/sda1 * 2048 499711 248832 83 Linux
/dev/sda2 501758 976771071 488134657 5 Extended
Partition 2 does not start on physical sector boundary.
/dev/sda5 501760 976771071 488134656 8e Linux LVM
Disk /dev/mapper/ubuntu--vg-root: 495.6 GB, 495594766336 bytes 255
heads, 63 sectors/track, 60252 cylinders, total 967958528 sectors
Units = sectors of 1 * 512 = 512 bytes Sector size (logical/physical):
512 bytes / 4096 bytes I/O size (minimum/optimal): 4096 bytes / 4096
bytes Disk identifier: 0x00000000
Disk /dev/mapper/ubuntu--vg-root doesn't contain a valid partition
table
Disk /dev/mapper/ubuntu--vg-swap_1: 4202 MB, 4202692608 bytes 255
heads, 63 sectors/track, 510 cylinders, total 8208384 sectors Units =
sectors of 1 * 512 = 512 bytes Sector size (logical/physical): 512
bytes / 4096 bytes I/O size (minimum/optimal): 4096 bytes / 4096 bytes
Disk identifier: 0x00000000
Disk /dev/mapper/ubuntu--vg-swap_1 doesn't contain a valid partition
table
硬盘总大小为 5oo GB
答案1
我使用“TestDisk”程序来找回丢失的分区，它就像魔术一样工作