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After trying to upgrade from Ubuntu 10.04 to 11, the upgrading process stopped when running and then I got an "out of disk, grub rescue" message when booting.

After running Boot Repair, I got this results.

Now I get "Missing Operating System" when trying to boot.

Bellow I show some results from some commands I gather from help foruns, but I still reached no solution.

Could you please help me? Any enlightment will be very helpful!

Disk Utility says

"Disk has a few bad sectors".

When trying to run the Self-test I get "FAILED (Read)"

Here we have what Gparted says about the /dev/sda1 partition (ext4):

Flags: boot
Status: not mounted
Warning:
e2label: Attempt to read block from filesystem resulted in short read while trying to open /dev/sda1
Couldn`t find valid filesystem superblock<br><br>Unable to read the contents of this filesystem!

From sudo fdisk -l I got:

Disk /dev/sda: 320.1 GB, 320072933376 bytes 
255 heads, 63 sectors/track, 38913 cylinders, total 625142448 sectors<br>Units = sectors of 1 * 512 = 512 bytes
Sector size (logical/physical): 512 bytes / 512 bytes<br>I/O size (minimum/optimal): 512 bytes / 512 bytes
Disk identifier: 0x000e0596 
Device Boot      Start         End      Blocks   Id  System<
/dev/sda1        *        2048   607428607   303713280   83  Linux
/dev/sda2       607430654   625141759     8855553    5  Extended
/dev/sda5       607430656   625141759     8855552   82  Linux swap / Solaris
Disk /dev/sdb: 320.1 GB, 320072933376 bytes
255 heads, 63
   sectors/track, 38913 cylinders, total 625142448 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: 0x000c3c41

   Device Boot      Start         End      Blocks   Id  System /dev/sdb1
   *          63   625137344   312568641    c  W95 FAT32 (LBA) "

From sudo fdisk /dev/sda1 I got

fdisk: unable to read
 /dev/sda1: Inappropriate ioctl for device

From sudo mount /dev/sda1 /mnt I got:

mount: wrong fs type, bad option, bad superblock on /dev/sda1,
       missing codepage or helper program, or other error
       In some cases useful info is found in syslog - try
       dmesg | tail  or so

From sudo update-grub I got:

 error: cannot read from `/dev/sda'.
  /usr/sbin/grub-probe: error: cannot find a device for / (is /dev mounted?).
share|improve this question
11 what¿ what exactly version di dyou 'upgrade'? And how exacty did you upograde from 10.04 to 11.?? – Angel Salinas Huerta Apr 14 '12 at 17:20
Was there a USB disk or another secondary hard disk plugged into the system while upgrading? It sometimes happens that the boot sector is written to only the secondary disk. – jippie Apr 14 '12 at 17:51

closed as too localized by Luis Alvarado♦ Apr 9 at 16:42

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