convert a lost+fouind partition to ext4

[J]

On Thu, Dec 22, 2011 at 01:25, Abhishek Dixit <abhidixit87 at gmail.com> wrote:
> Hi on  my disk
>  sudo fdisk -l
>
> Disk /dev/sda: 320.1 GB, 320072933376 bytes
> 255 heads, 63 sectors/track, 38913 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: 0xd935d935
>
>   Device Boot      Start         End      Blocks   Id  System
> /dev/sda1   *           1        2432    19530752   83  Linux
> /dev/sda2            2432       38914   293037057    5  Extended
> /dev/sda5            2432        2797     2928640   82  Linux swap / Solaris
> /dev/sda6            2797        5228    19529728   83  Linux
> /dev/sda7            5228       38914   270576640   83  Linux
>
> the last one I want to convert to ext4 or some thing which  I can
> use.In nautilus window it shows me lost+found a cross icon is marked.

That's just a common dump location for random file bits that have been
abandoned, or severly fragmented and the FS doesn't know what to do
with them... so they end up there when you run someting like fsck.