显示
mount: mounting /dev on /root/dev failed: No such file or directory
mount: mounting / sys/ on root/sys failed: No such file or directory
mount: mounting /proc on /root/proc failed: No such file or dirctory
用u盘启动
ubuntu@ubuntu:~$ sudo fdisk -l

Disk /dev/sda: 500.1 GB, 500107862016 bytes
255 heads, 63 sectors/track, 60801 cylinders
Units = cylinders of 16065 * 512 = 8225280 bytes
Sector size (logical/physical): 512 bytes / 512 bytes
I/O size (minimum/optimal): 512 bytes / 512 bytes
Disk identifier: 0x624aa2e0

Device Boot Start End Blocks Id System
/dev/sda1 * 1 1305 10482381 7 HPFS/NTFS
/dev/sda2 1306 60801 477901589+ f W95 Ext'd (LBA)
/dev/sda5 1306 3917 20980858+ 7 HPFS/NTFS
/dev/sda6 3918 23340 156007784+ 7 HPFS/NTFS
/dev/sda7 32361 60801 228452301 7 HPFS/NTFS
/dev/sda8 23340 32081 70214656 83 Linux
/dev/sda9 32081 32360 2243584 82 Linux swap / Solaris

Partition table entries are not in disk order

Disk /dev/sdb: 3965 MB, 3965190144 bytes
255 heads, 63 sectors/track, 482 cylinders
Units = cylinders of 16065 * 512 = 8225280 bytes
Sector size (logical/physical): 512 bytes / 512 bytes
I/O size (minimum/optimal): 512 bytes / 512 bytes
Disk identifier: 0x006b6a79

Device Boot Start End Blocks Id System
/dev/sdb1 * 1 483 3872224+ b W95 FAT32
Partition 1 has different physical/logical endings:
phys=(481, 254, 63) logical=(482, 18, 48)



ubuntu@ubuntu:~$ cat /etc/fstab
aufs / aufs rw 0 0
tmpfs /tmp tmpfs nosuid,nodev 0 0
/dev/sda9 swap swap defaults 0 0


ubuntu@ubuntu:~$ sudo blkid
/dev/loop0: TYPE="squashfs"
/dev/sda1: UUID="01CB44849F1A64B0" TYPE="ntfs"
/dev/sda5: UUID="01CB4484A211ABB0" TYPE="ntfs"
/dev/sda6: UUID="46148D3A148D2E4D" TYPE="ntfs"
/dev/sda7: UUID="2C8C8EE88C8EABC0" TYPE="ntfs"
/dev/sda8: UUID="aca0360b-002a-4708-a60d-d50c1600d18c" TYPE="ext4"
/dev/sda9: UUID="d7cbf6c2-5e46-4076-ba71-568e678d99d3" TYPE="swap"
/dev/sdb1: LABEL="PENDRIVE" UUID="BA16-16E9" TYPE="vfat"

ubuntu@ubuntu:~$ sudo fsck -f /dev/sda8
fsck from util-linux-ng 2.17.2
e2fsck 1.41.12 (17-May-2010)
fsck.ext4: Device or resource busy while trying to open /dev/sda8
Filesystem mounted or opened exclusively by another program?

ubuntu@ubuntu:~$ sudo mount /dev/sda8
mount: can't find /dev/sda8 in /etc/fstab or /etc/mtab

sudo mount /dev/sda8 后面加要挂载到的文件夹

不想重装啊，继续。
df -k
文件系统 1K-块 已用 可用 已用% 挂载点
aufs 382588 24104 358484 7% /
none 376588 272 376316 1% /dev
/dev/sdb1 3864032 709880 3154152 19% /cdrom
/dev/loop0 676480 676480 0 100% /rofs
none 382588 112 382476 1% /dev/shm
tmpfs 382588 12 382576 1% /tmp
none 382588 96 382492 1% /var/run
none 382588 0 382588 0% /var/lock

怎么是none，该死的硬盘线，如果不是它，机器也不会认为硬盘有毛病。换了条sata线，改天把它拆解。

2楼，谢谢，刚试了，也不行。
root@ubuntu:/home/ubuntu# sudo mkdir /mnt/ubuntu
mkdir: 无法创建目录 “/mnt/ubuntu”: 文件已存在
root@ubuntu:/home/ubuntu# sudo mount /dev/sda8 /mnt/ubuntu
然后无反应。只是光标在闪。刚才出去一会，回来还在闪。

硬盘分区问题。。。。