[CentOS] upgrade from 6.5 to 7

On 07/08/14 15:26, Wes James wrote:
> I would suggest if possible just download centos 7 iso.
>   if you ever need to reinstall, you will have the iso/DVD at hand
> and only apply the updates.
>   Or like myself, and probably others, continue using centos 6.x til
> 2020? Good luck.:-)
>
>
> I did that but it looks like it wants to format available disk space.  There are no options for upgrading.
>
> Thanks,


         i guess wiping out centos 6.5 to install centos 7 is needed.