Re: [Linux-NTFS-Dev] when resizing, I get the error "The device '/dev/sda1' doesn't have a valid NTFS."

[Michael S. <li...@mi...>]

On Thu, 20 Nov 2008 09:34:22 +0000
"Mikel Ward" <mi...@mi...> wrote:

> I then deleted that partition, and re-created it using the full size
> of the volume, setting it to NTFS and making it bootable, giving:
> .
> .
> At this point, I got a GUI dialog saying:
> mount: wrong fs type, bad option, bad superblock on /dev/sda1,


  Mikel,

I'm not an expert on this, but the ntfsresize man page says:

 Partitioning
    When  recreating  the  partition by a disk partitioning tool, make sure
    you create it at the same starting sector and with the  same  partition
    type as before.  Otherwise you won't be able to access your filesystem.
    Use the 'u' fdisk command to switch to the reliable  sector  unit  from
    the default cylinder one.


Thus, you should always use fdisk -u, and IMHO, this should have been set
as the default a long time ago by the fdisk developers. Failing to use -u
might result in fdisk using a different start sector within the "start
cylinder 1".

Try to recreate your *old* partition table via fdisk (without -u), see if
you  can mount it, and if so, then use fdisk -u to enlarge the partition
keeping the start *sector* (not cylinder) the same.



  Cheers,

  Mike Shell