Can't fdisk newly installed disks

[Simon Gao]

Jerry McAllister wrote:
>
> It can prevent you from making almost any changes.  A secure level of 3
> is very high and may be what you want for your production - depending
> on what you are doing, but will make any installation or development
> very difficult or impossible.
>
> ////jerry
>   
That's it. A secure level of 3 setting was the problem. Once changed
secure level to -1, everything worked.

Thanks.

Simon